2013-08-14 Database version: po_20 PO:0000001 embryo proper An embryonic plant structure that is the body of a developing plant embryo attached to the maternal tissue in an ovule by a suspensor. embrióforo (Spanish); 胚本体 (Japanese) PO:0000002 anther wall A microsporangium wall that is part of an anther. 葯壁 (Japanese); pared de la antera (Spanish); Poaceae anther wall; pollen sac wall; Zea anther wall PO:0000003 whole plant A plant structure (PO:0005679) which is a whole organism. bush; clonal colony; colony; frutex; frutices; gametophyte; genet; herb; liana; planta entera (Spanish); prothalli; prothallium; prothallus; ramet; seedling; shrub; sporophyte; suffrutex; suffrutices; tree; vine; woody clump; 植物体全体 (Japanese) PO:0000004 in vitro plant structure A plant structure (PO:0009011) that is grown or maintained in vitro. estructura vegetal in vito (Spanish); 培養下植物構造 (Japanese) PO:0000005 cultured plant cell A plant cell that is grown or maintained in vitro. célula cultivada (Spanish); cell suspension; cultured cell; 培養植物細胞 (Japanese) PO:0000006 plant protoplast A cultured plant cell from which the entire plant cell wall has been removed. protoplast; protoplasto cultivado (Spanish); 植物プロトプラスト (Japanese) PO:0000007 leaf-derived cultured plant cell A cultured plant cell that was derived from leaf tissue. célula cultivada de hoja (Spanish); cultured plant cell; 葉由来植物培養細胞 (Japanese); leaf-derived cultured cell PO:0000008 root-derived cultured plant cell A cultured plant cell that was derived from root tissue. célula cultivada de raíz (Spanish); root-derived cultured cell; 根由来植物培養細胞 (Japanese) PO:0000009 cultured plant callus A plant callus grown or maintained in vitro. callo cultivado (Spanish); cultured callus; 培養植物カルス (Japanese) PO:0000010 cultured plant embryo A plant embryo that is grown or maintained in vitro. cultured embryo; embrión cultivado (Spanish); 培養植物胚 (Japanese) PO:0000011 cultured somatic plant embryo A somatic plant embryo grown and maintained in vitro. cultured somatic embryo; embrión somático cultivado (Spanish); 培養植物体細胞不定胚 (Japanese) PO:0000012 apical hook Hook-like structure which develops at the apical part of the hypocotyl in dark-grown seedlings in dicots. 頂端かぎ状屈曲構造 (Japanese); gancho apical (Spanish); hypocotyl hook PO:0000013 cauline leaf A vascular leaf (PO:0009025), borne on the stem (PO:0009047). 茎生葉、茎葉 (Japanese); hoja caulinar (Spanish) PO:0000014 rosette leaf One of multiple leaves borne in a rosette - a group of leaves, generally borne at the base of the plant, that are separated by very short internodes. ロゼット葉 (Japanese); hoja en roseta (Spanish) PO:0000015 cotyledon primordium A phyllome primordium (PO:0025128) that develops from a cotyledon anlagen (PO:0025432) and is part of a vegetative shoot apex (PO:0025223) and is committed to the development of a cotyledon (PO:0020030). cotyledon primordia; portion of cotyledon primordium tissue; primordio de cotiledón (Spanish); 子葉原基(可視的) (Japanese) PO:0000016 lateral root primordium A root primordium (PO:0005029) that is part of a root (PO:0009005) and is committed to the development of a lateral root (PO:0020121). portion of lateral root primordium tissue; primordio de raíz lateral (Spanish); 側根原基 (Japanese) PO:0000017 vascular leaf primordium A phyllome primordium (PO:0025128) that develops from a leaf anlagen (PO:0025430) and is part of a vegetative shoot apex (PO:0025223) and is committed to the development of a vascular leaf (PO:0009025). 葉原基 (Japanese); leaf primordium; portion of vascular leaf primordium tissue; primordio de hoja (Spanish); vascular leaf primordia PO:0000018 ovule primordium A floral structure primordium (PO:0025477) that is committed to the development of an ovule (PO:0020003). 胚珠原基(可視的) (Japanese); portion of ovule primordium tissue; primordio de óvulo (Spanish) PO:0000019 gynoecium primordium A floral structure primordium (PO:0025477) that is committed to the development of a gynoecium (PO:0009062). 雌蕊原基(可視的) (Japanese); pistil primordium; portion of gynoecium primordium tissue; primordio de gineceo (Spanish) PO:0000020 starch sheath cell OBSOLETE. Cells characterized by conspicuous and rather stable accumulation of starch. デンプン鞘細胞 (Japanese); célula con almidón de la vaina (Spanish) PO:0000021 petal primordium A phyllome primordium (PO:0025128) that develops from a petal anlagen (PO:0025484) and is committed to the development of a petal (PO:0009032). 花弁原基(可視的) (Japanese); petal primordia; portion of petal primordium tissue; primordio de pétalo (Spanish) PO:0000022 plant cuticle A plant anatomical substance composed of a polyester matrix of hydroxy- and hydroxy epoxy fatty acids C16 and C18 chains (cutin), embedded and overlayed with cuticular wax and forming a layer on the surface of a plant epidermis. cutícula (Spanish); cuticle; 植物クチクラ (Japanese) PO:0000023 casparian strip OBSOLETE. A band-like wall formation within primary walls that contains suberin and lignin; typical of endodermal cells in roots, in which it occurs in radial and transverse anticlinal walls. banda de caspary (Spanish); カスパリー線 (Japanese) PO:0000024 filiform apparatus OBSOLETE. A complex of cell wall invaginations in a synergid cell similar to those in transfer cells. aparato filiforme (Spanish); 繊形装置 (Japanese) PO:0000025 root tip The portion of the root including the meristem and root cap. punta de la raíz (Spanish); 根端 (Japanese) PO:0000026 primary root tip The portion of the primary root including the meristem and root cap. punta de la raíz primaria (Spanish); 一次根端 (Japanese) PO:0000027 lateral root tip The portion of the lateral root including the meristem and root cap. punta de la raíz lateral (Spanish); 側根端 (Japanese) PO:0000028 pollen tube tip OBSOLETE. Tip portion of the pollen tube that is rapidly growing. 花粉管先端部 (Japanese); punta del tubo polínico (Spanish) PO:0025195 pollen tube cell A plant cell that develops from a vegetative cell and forms a tubular extension of the pollen grain. célula del tubo polínico (Spanish); 花粉管細胞 (Japanese) PO:0000029 root hair tip OBSOLETE. Tip portion of an outgrowth of a root epidermal cell. punta del pelo de la raíz (Spanish); 根毛端 (Japanese) PO:0000256 root hair cell A root epidermal cell (PO:0025164) that develops from a trichoblast (PO:0000262) and has as part a root hair (GO:0035618). célula del pelo de la raíz (Spanish); 根毛細胞 (Japanese) PO:0000030 septum A collective organ part structure composed of two or more layers of various tissues that is a partition that divides a cavity formed by the fusion of two or more organs. dissepiment; 隔壁 (Japanese); septa; septo (Spanish) PO:0000031 lenticel A portion of ground tissue composed of a loosely-packed mass of cork cells occurring especially in the young stem, bark or even leaf of a plant, visible on the surface as a raised, often powdery-appearing spot. 皮目 (Japanese); lenticela (Spanish) PO:0000032 tetrad of microspores A portion of plant tissue consisting of four microspores that remained joined together shortly after meiosis. Each cell will give rise to a male gametophyte. tétrada de las microsporas (Spanish); 小胞子の四分子 小胞子四分子 (Japanese) PO:0000033 fruit valve A valve that is a part of a fruit that splits apart when the fruit dehisces. valva de fruto (Spanish); 果実の弁 (Japanese) PO:0000034 vascular system A maximal portion of vascular tissue (PO:0009015) in a whole plant (PO:0000003), collective plant structure (PO:0025497), multi-tissue plant structure (PO:0025496), or cardinal part of multi-tissue plant structure (PO:0025498). 維管束系 (Japanese); sistema vascular (Spanish); vasculature PO:0000035 cotyledon vascular system A vascular system that is part of a cotyledon. sistema vascular del cotiledón (Spanish); 子葉維管系 (Japanese) PO:0000036 leaf vascular system A phyllome vascular system that includes the totality of the portions of vascular tissue in their specific arrangement in a leaf. 葉維管系 (Japanese); leaf venation; sistema vascular de la hoja (Spanish) PO:0000037 shoot apex A shoot axis that is the most distal part of a shoot system and has as parts a shoot apical meristem and the youngest leaf primordia. ápice del epiblasto (epiblastema) (Spanish); シュート頂、茎頂 (Japanese) PO:0000038 primary endosperm cell Cell produced by the fusion of sperm cell nucleus and two polar nuclei of the central cell (or diploid secondary endosperm nucleus, in cases where two polar nuclei fuse together before double fertilization). The first cell of the endosperm, often triploid. célula primaria del endosperma (Spanish); 一次胚乳細胞 (Japanese) PO:0000039 shoot axis vascular system A vascular system that includes the totality of the portions of vascular tissue in their specific arrangement in a shoot axis. シュート軸維管系 (Japanese); branch vascular system; sistema vascular del eje del epiblasto (epiblastema) (Spanish); stem vascular system PO:0000040 adventitious root nodule Enlargement or swelling at position of dormant adventitious root primordium (on the stem), inhabited by nitrogen-fixing bacteria. nódulo de la raíz adventicia (Spanish); stem primordium; 不定根根粒 (Japanese) PO:0000041 epidermal cork cell One of the two types of short cells in the epidermis of grasses and bamboos. It is usually paired with silica cell. célula de corcho epidérmica (Spanish); célula suberí epidérmica (Spanish); 表皮コルク細胞 (Japanese) PO:0000042 shoot-borne root A post-embryonic root that develops from shoot tissue. adventitious root; aerial root; シュート細胞由来の根 (Japanese); climbing root; epiblasto (epiblastema) que se origina en la raíz (Spanish); stilt root PO:0000043 crown root Adventitious root formed at the base of the growing stem (known as a crown). raíz en corona (Spanish); 冠根 (Japanese) PO:0000044 prop root Adventitious root formed at stem nodes above the ground and growing directly into the soil. brace root; breathing root; raíz de sostén (Spanish); 支柱根、支持根、支柱気根 (Japanese) PO:0000045 embryo root A root (PO:0000045) that is initiated in a developing plant embryo (PO:0009009). embryonic root; raíz embriónica (Spanish); 初期の根、胚根 (Japanese) PO:0000046 seminal root A root (PO:0009005) formed within the scutellar node (PO:0004708) of the plant embryo (PO:0009009) in some monocotyledonous plants. 種子根 (Japanese); lateral seminal root; raíz seminal (Spanish); scutellar nodal root; secondary root PO:0000047 leaf lamina epidermis A portion of leaf epidermis that is part of a leaf lamina. epidermis de la lámina de la hoja (Spanish); 葉身表皮 (Japanese) PO:0000048 leaf lamina vascular system A vascular system that includes the totality of the portions of vascular tissue in their specific arrangement in a leaf lamina. 葉身維管系 (Japanese); sistema vascular de la lámina de la hoja (Spanish) PO:0000049 leaf lamina abaxial epidermis A portion of leaf lamina epidermis that covers the abaxial/lower surface of a leaf lamina. epidermis abaxial de la lámina de la hoja (Spanish); 葉身背軸側表皮 (Japanese) PO:0000050 leaf lamina adaxial epidermis A portion of leaf lamina epidermis that covers the adaxial/upper surface of a leaf lamina. epidermis adaxial de la lámina de la hoja (Spanish); 葉身向軸側表皮 (Japanese) PO:0000051 petiole epidermis A portion of leaf epidermis that is part of a petiole. epidermis del pecíolo (Spanish); 葉柄表皮 (Japanese) PO:0000052 petiole vascular system A vascular system that includes the totality of the portions of vascular tissue in their specific arrangement in a leaf petiole. 葉柄維管系 (Japanese); sistema vascular del pecíolo (Spanish) PO:0000053 petiole cortex A portion of ground tissue that is part of a cortex and part of the petiole. cortex (corteza) del pecíolo (Spanish); 葉柄皮層 (Japanese); portion of petiole corex tissue PO:0000054 petal vascular system A phyllome vascular system (PO:0025206) that includes the totality of the portions of vascular tissue in their specific arrangement in a petal (PO:0025218). 花弁維管系 (Japanese); sistema vascular de pétalo (Spanish) PO:0000055 bud An undeveloped shoot system (PO:0009006). adventitious bud; 芽 (Japanese); yema (Spanish) PO:0000056 flower bud A bud that develops into a flower. 花芽 (Japanese); floral bud; yema floral (Spanish) PO:0000057 inflorescence bud A bud that develops into an inflorescence. 花序芽 (Japanese); male bud; yema de inflorescencia (Spanish) PO:0000058 vegetative bud A bud (PO:0000055) that develops into a shoot system that has as organ parts only vegetative organs. yema vegetativa (Spanish); 枝芽 (Japanese) PO:0000059 root initial cell An initial cell that is part of a root apical meristem and by division gives rise to two cells, one of which remains in the meristem, while the other is produces different root cells. célula inicial de la raíz (Spanish); root initial; root stem cell; 根始原細胞 (Japanese) PO:0000060 root cortex-endodermis initial cell A root initial cell that produces root cortex and endodermis. In direct contact with quiescent center. célula inicial del cortex/endodermis de la raíz (Spanish); root cortex-endodermis initial; root cortex-endodermis stem cell; 根皮層内皮始原細胞 (Japanese) PO:0000061 lateral root-cap epidermal initial cell A root initial cell that produces lateral root-cap cells and root epidermis. célula inicial del caliptra de la raíz lateral (Spanish); lateral root-cap epidermal initial; lateral root-cap-epidermal stem cell; 側根冠表皮始原細胞 (Japanese) PO:0000062 stomatal initial cell An epidermal initial that undergoes several rounds of uneven division, each time giving rise to a larger daughter cell that differentiates into an epidermal ground cell and a smaller daughter cell that remains meristematic, until the meristematic cell differentiates into a guard mother cell. inicial estomática (meristemoide inicial) (Spanish); stomatal initial; stomatal meristemoid; 気孔始原細胞 (Japanese) PO:0000063 leaf procambial cell A procambial cell that is part of a leaf procambium. célula procambial de la hoja (Spanish); dispersed meristematic cell; DMC; 葉前形成層細胞 (Japanese); leaf procambium cell PO:0000064 xylem pole pericycle cell A pericycle cell that is adjacent to the protoxylem of a vascular bundle. célula del polo xilemático del periciclo (Spanish); 木質部孔鞘細胞 (Japanese) PO:0000065 phloem pole pericycle cell A pericycle cell that is adjacent to the protophloem of a vascular bundle. célula del polo floemático del periciclo (Spanish); 師部極内鞘細胞 (Japanese) PO:0000066 epithem cell A parenchyma cell of the mesophyll of a hydathode found between the xylem endings and the epidermis. célular ??? (Spanish); 被覆組織細胞 (Japanese) PO:0000071 companion cell A parenchyma cell (PO:0000074) that is adjacent to a sieve tube element (PO:0000289) and arises from the same phloem mother cell (PO:0000400) as the sieve tube element. célula acompañiante (Spanish); minor vein companion cell; 伴細胞 (Japanese) PO:0000074 parenchyma cell A relatively unspecialized ground tissue cell with a nucleate protoplast. célula parenquimática (Spanish); 柔組織細胞 (Japanese) PO:0000075 collenchyma cell An elongated plant cell with unevenly thickened non-lignified primary walls that is alive at maturity. célula colenquimática (Spanish); 厚角組織 細胞 (Japanese) PO:0000076 chlorenchyma cell A parenchyma cell containing chloroplasts; a component of leaf mesophyll and other green parenchyma tissue. célula clorenquimática (Spanish); 同化組織、葉緑組織 細胞 (Japanese) PO:0000077 sclerenchyma cell A ground tissue cell (PO:0025030) with a lignified secondary cell wall. célula esclerenquimática (Spanish); 厚膜組織 細胞 (Japanese) PO:0000078 transfer cell A cell with wall ingrowths (or invaginations) that increase the surface of the plasmalemma. célula de transferencia (Spanish); 転送細胞 (Japanese) PO:0000079 fusiform initial cell An elongated cambial initial cell with approximately wedge-shaped ends that is part of the vascular cambium and gives rise to axial cells. célula inicial fusiforme (Spanish); 紡錘形始原細胞 (Japanese); fusiform initial; xylem initial; xylem mother cell PO:0000081 axial cell OBSOLETE. A vascular cell derived from the fusiform cambial initial and oriented with its longest diameter parallel with the main axis of stem or root. célula axial (Spanish); 軸細胞 (Japanese) PO:0000290 tracheary element A plant cell (PO:0009002O) that has a lignified cell wall with secondary thickening and bordered pits. 管状要素 (Japanese); elemento de traqueida (Spanish) PO:0025406 sieve element A plant cell (PO:0009002) that is part of a portion of phloem tissue (PO:0005417), has sieve areas in its walls, and lacks a nucleus in its mature protoplast. elemento criboso (Spanish); 師(篩)要素 (Japanese) PO:0025407 plant fiber cell A sclerenchyma cell (PO:0000077) that is elongated and tapering. célula fibrosa vegetal (Spanish); fiber; fiber cell; plant fiber; 植物繊維細胞 (Japanese) PO:0000082 ray initial cell A cambial initial cell that gives rise to ray cells of the secondary xylem and secondary phloem. célula inicial de rayo (Spanish); ray initial; 放射組織始原細胞 (Japanese) PO:0000084 plant sperm cell A gamete (PO:0025006) produced by an antheridium (PO:0025125) or a microgametophyte (PO:0025280). célula espermática o esperma (Spanish); male gamete; microgamete; sperm cell; sperm nucleus; 植物精子細胞 (Japanese) PO:0000112 shoot axis epidermis A portion of shoot epidermis that is part of a shoot axis. シュート軸表皮 (Japanese); branch epidermis; culm epidermis; epidermis del eje del tallo (Spanish); stem epidermis PO:0000115 socket cell A shoot epidermal cell that surrounds a trichome and provides its support. ソケット細胞 (Japanese); célula de encaje (Spanish); cell located at the base of the trichome; trichome support cell PO:0000146 abscission zone A portion of plant tissue that is part of a plant structure that has as parts a separation layer and a protective layer and is involved in the abscission of the structure. abscission layer; 離層 (Japanese); zona de absición (Spanish) PO:0000191 synergid Cell, usually two in number, in the micropylar end of the embryo sac of angiosperms associated with the egg in the egg apparatus. sinérgida (Spanish); 助細胞 (Japanese) PO:0000198 free nuclear endosperm An endosperm in which at least the first karyokinesis is not followed by cytokinesis. cenocytic endosperm; coenocytic endosperm; endosperma con núcleos libres (Spanish); 遊離核型胚乳 (Japanese); nuclear endosperm PO:0000199 cellular endosperm Endosperm in which the first karyokinesis event is accompanied by cytokinesis. endosperma célular (Spanish); 細胞性胚乳 (Japanese) PO:0000200 micropylar endosperm A portion of plant tissue that is the region of the endosperm closest to the micropyle of the seed. 珠孔内胚乳 (Japanese); endosperma micrópilar (Spanish); micropylar region; portion of micropylar endosperm PO:0000201 chalazal cyst A portion of plant tissue that is the part of the endosperm nearest the chalazal region of the ovule and forming a cyst-like structure. カラザの嚢 (Japanese); chalazal endosperm cyst; ciste calazal (Spanish); portion of chalazal cyst PO:0000207 nectary epidermis A portion of shoot epidermis that is part of a nectary. epidermis del nectario (Spanish); 蜜腺表皮 (Japanese) PO:0000223 shoot axis cortex A portion of ground tissue (PO:0025059) that is part of a cortex (PO:0005708) and part of a shoot axis (PO:0025029). シュート軸皮層 (Japanese); branch cortex; cortex del eje del epiblasto (epiblastema) del tallo (Spanish); portion of shoot axis cortex tissue; stem cortex PO:0000224 central zone An area of densely packed cells in the shoot apex that divide infrequently. central initiation zone; zona central (Spanish); 中央帯 (Japanese) PO:0000225 peripheral zone Organogenic region of the meristem, characterized by higher rates of cell division. peripheral meristem; zona periférica (Spanish); 周辺帯 (Japanese) PO:0000226 rib zone The region of the shoot apical meristem that lies below the central zone and is flanked by the peripheral zone. 髄状帯 (Japanese); file meristem; zona de costilla (Spanish) PO:0000229 flower meristem A portion of reproductive shoot apical meristem tissue (PO:0008028) that gives rise to the floral organs (PO:0025395). ear floret meristem; 花芽分裂組織 (Japanese); floral apical meristem; floral meristem; floret meristem; mersitema floral (Spanish); Poaceae floret meristem; tassel floret meristem PO:0000230 inflorescence meristem A meristem that gives rise to an inflorescence. 花序分裂組織 (Japanese); meristema de la inflorescencia (Spanish) PO:0000232 axillary bud meristem A shoot meristem (PO:0006079) formed in an axil (PO:0025224). axillary meristem; 腋芽分裂組織 (Japanese); meristema de yema axilar (Spanish) PO:0000244 functional megaspore A megaspore(s) that forms an embryo sac. megaspora funcional (Spanish); Poaceae functional megaspore; 機能的大胞子 (Japanese) PO:0000245 degenerate megaspore In monosporic and bisporic megasporogenesis: the megaspore(s) that would not participate in megagametogenesis. 退化大胞子、胞子形成に寄与しない大胞子 (Japanese); megaspora degenerativa (Spanish); Poaceae degenerate megaspore PO:0000252 endodermis A portion of ground tissue that is the inner most layer of a cortex and has a casparian strip in its anticlinal cell walls. endodermis (Spanish); endodermoid; portion of endodermal tissue; portion of epidermis tissue; 内皮 (Japanese) PO:0000258 root cortex A portion of ground tissue that is part of a cortex and part of a root. cortex de la raíz (Spanish); portion of root cortex tissue; 根皮層 (Japanese) PO:0000262 trichoblast A root epidermal cell that is the smaller cell produced by the asymmetric division of an epidermal intial and gives rise to a root hair. hair cell; tricoblasto (Spanish); 根毛形成細胞、トリコブラスト (Japanese) PO:0000263 non-hair root epidermal cell A root epidermal cell (PO:0025164) that develops from an epidermal initial (PO:0000349) and does not have as part a root hair (GO:0035618). atrichoblast; atricoblasto (Spanish); 非毛根形成細胞、アトリコブラスト (Japanese); non-hair cell PO:0000272 protoxylem A primary xylem (PO:0000272) tissue that has as part one or more protoxylem tracheary elements (PO:0025575) embedded in parenchyma (PO:0005421) tissue. portion of protoxylem tissue; protoxilema (Spanish); 原生木(質)部 (Japanese) PO:0000273 xylem element OBSOLETE. A cell making up xylem tissue. elemento del xilema (Spanish); 木部要素 (Japanese) PO:0000274 xylem fiber cell A fiber cell (PO:0025407) that is part of a portion of xylem (PO:0005352) tissue. fibra del xilema (Spanish); 木部繊維細胞 (Japanese) PO:0000282 trichome A unicellular or multicellular plant structure (PO:0009011) that forms a non-sclerified outgrowth from the epidermis (PO:0005679). barb trichome; bristle; capilli; capillus; cilia; cilium; glochid; glochidia; glochidium; hair; lepides; lepis; non-secretory trichome; scale; seta; setae; squama; squamae; squamella; squamellae; squamule; tricoma (Spanish); 毛茸、糸状体、毛 (Japanese) PO:0000283 idioblast A plant cell that markedly differs in form, size, or contents from other cells in the same tissue. 異形(型)細胞 (Japanese); idioblasto (Spanish) PO:0000284 subsidiary cell An epidermal cell associated with a stoma and at least morphologically distinguishable from the other epidermal cells. accessory cell; célula subsididaria (Spanish); 助細胞,副細胞(気孔)(auxiliary cell, synergid) (Japanese) PO:0000289 sieve tube element A sieve element (PO:0025406) that is part of a sieve tube (PO:0025416) and has as parts sieve areas aggregated into sieve plates (GO:0097218). miembro del tubo criboso (Spanish); sieve tube member; sieve tube segment; sieve-tube element; 師(篩)管要素 (Japanese) PO:0000293 guard cell One of a pair of cells flanking the stomatal pore. célula guardiana (Spanish); occlusive cell; 孔辺細胞 (Japanese) PO:0000295 cambial initial cell An initial cell that is part of the vascular or cork cambium and by periclinal divisions produce cells to the outside or inside of the cambial axis. célula inicial del cambium (Spanish); cambial cell; cambial initial; 形成層始原細胞 (Japanese) PO:0000301 tracheid A tracheary element (PO:0000290) that has no perforations in its cell wall. traqueida (Spanish); 仮導管 (Japanese) PO:0000309 nectary parenchyma A portion of parenchyma tissue that is part of a nectary. 蜜腺柔組織 (Japanese); parénquima nectarifero (Spanish) PO:0000332 epidermal pavement cell A shoot epidermal cell that is relatively unspecialized at maturity. célula del pavimento epidermal (Spanish); 表皮被蓋細胞 (Japanese) PO:0000349 epidermal initial cell An initial cell that is part of an epidermis and gives rise to specialized cell types of the epidermis. célula inicial de la epidermis (Spanish); epidermal initial; 表皮始原細胞 (Japanese) PO:0000351 guard mother cell A shoot epidermal cell that divides to produce the guard cells. célula madre de la célula guardiana (Spanish); 孔辺母細胞 (Japanese) PO:0000352 myrosin cell A cell containing glucosinolates ("mustard oil glucosides") and myrosinases, enzymes hydrolyzing the glucosinolates. ミロシン細胞 (Japanese); célula de mirosina (Spanish) PO:0000353 passage cell A ground tissue cell that is part of an exodermis or an endodermis and remains thin walled when the associated cells develop thick secondary walls. célula de pasaje (Spanish); 通過細胞 (Japanese) PO:0000355 fiber tracheid A xylem fiber cell (PO:0000274) with bordered pits with pit cavities. 繊維仮導管 (Japanese); fiber tracheid cell; fibrotraqueida (Spanish) PO:0000372 metaxylem A primary xylem (PO:0005849) tissue that has as part one or more metaxylem tracheary elements (PO:0025576) embedded in parenchyma (PO:0005421) tissue and may contain xylem fiber cells (PO:0000274). metaxilema (Spanish); portion of metaxylem tissue; 後生木部 (Japanese) PO:0000373 mucilage cell OBSOLETE. Cell containing mucilages or gums or similar carbohydrate material characterized by the property of swelling in water. célula mucilaginosa (Spanish); 粘液細胞 (Japanese) PO:0000400 phloem mother cell A cambial initial cell which is destined to differentiate into secondary phloem. célula madre del floema (Spanish); 師部母細胞 (Japanese) PO:0000423 plant zygote A single-celled whole plant that participates in the plant zygote stage. cigoto (Spanish); zygote; 植物接合子、接合体 (Japanese) PO:0000431 megasporocyte A diploid (2n) cell that undergoes meiosis and produces four haploid (1n) megaspores. megaspore mother cell; megasporocito (Spanish); MMC; Poaceae megasporocyte; Zea megasporocyte; 大胞子母細胞 (Japanese) PO:0002000 stomatal complex A portion of shoot epidermis that has as parts two guard cells and a stomatal pore. May also contain subsidiary cells. complejo estomático (Spanish); stoma; stomata; stomatal apparatus; stomate; 気孔装置 (Japanese) PO:0002001 papillae OBSOLETE. A soft protuberance on an epidermal cell of the stigma. papila (Spanish); 乳頭状突起 (Japanese) PO:0025166 papilla cell An epidermal pavement cell with a short protuberance. célula papilosa (Spanish); 乳頭細胞 (Japanese) PO:0025167 leaf papilla cell A papilla cell that is part of a leaf epidermis. célula papilosa de la epidermis (Spanish); 葉乳頭毛細胞(パピラ) (Japanese) PO:0025168 stigma papilla cell A papilla cell that is part of a stigma epidermis. célula papilosa del estigma (Spanish); 柱頭乳頭細胞 (Japanese) PO:0002002 embryo basal cell A plant cell that is the lower-most cell formed after the first division of the zygote and is part of an embryo. célula basal (Spanish); embryonic basal cell; 胚基底細胞 (Japanese) PO:0002003 xylem vessel member A tracheary element (PO:0000290) that is part of a xylem vessel (PO:0025417) and has as parts perforation plates. miembro de vaso (Spanish); vessel element; vessel member; vessel segment; 木質部道管状要素 (Japanese) PO:0002004 silk scar The silk scar is composed of the shrivelled remains of the intercalary region of the silk, together with the base of the silk which is the true stylar tissue of the silk arising from the distal end of the developing kernel (caryopsis). シルクの痕跡 (Japanese); cicatriz sedosa (Spanish) PO:0003000 transition zone A region of the root between the meristem and the region of rapid elongation in which isodiametric growth (cell expansion) occurs. 移行領域、移行帯、移行域 (Japanese); zona de transición (Spanish) PO:0003003 obsolete primary root elongation zone OBSOLETE. A zone of small, densely cytoplasmic cells that are dividing and expanding in size located behind the zone of cell division in the primary root. zona de elongación obsoleta de la raíz primary (Spanish) PO:0025257 primary root elongation zone A root elongation zone that is part of a primary root tip. zona de elongación de la raíz primaria (Spanish); 一次根伸長帯(層) (Japanese) PO:0003004 haustorial root OBSOLETE. The root of particular parasitic plants that becomes cemented to the host axis and intrudes into the tissues of the host. raíz haustorial (Spanish); 吸器根(寄生植物の根) (Japanese) PO:0003005 nodal root Adventitious root that forms at a shoot node. 節根 (Japanese); raíz nodosa (Spanish) PO:0003011 root vascular system A vascular system that includes the totality of the portions of vascular tissue in their specific arrangement in a root. root vein; sistema vascular de la raíz (Spanish); 根維管系 (Japanese) PO:0003014 obsolete lateral root elongation zone OBSOLETE. The portion of the lateral root located behind the zone of cell division that includes small, densely cytoplasmic cells that are dividing and expanding in size. zona de elongación obsoleta de la raíz lateral (Spanish) PO:0025256 lateral root elongation zone A root elongation zone that is part of a lateral root tip. zona de elongación de la raíz lateral (Spanish); 側根伸長帯(層) (Japanese) PO:0003015 primary root differentiation zone A root differentiation zone that is part of a primary root. zona de diferenciación de la raíz primary (Spanish); 一次根分化帯(層) (Japanese) PO:0003016 lateral root differentiation zone A root differentiation zone that is part of a lateral root. zona de diferenciación de la raíz lateral (Spanish); 側根分裂帯(層) (Japanese) PO:0003017 root cap of primary root A root cap that is part of a primary root tip. caliptra de la raíz primary (Spanish); 主根の根冠 (Japanese) PO:0003018 root cap of lateral root A root cap that is part of a lateral root tip. caliptra de la raíz lateral (Spanish); 側根の根冠 (Japanese) PO:0003019 central root cap of lateral root A central root cap that is part of a root cap of lateral root. caliptra de la raíz central de la raíz lateral (Spanish); 側根の中心根冠 (Japanese) PO:0003020 lateral root cap of lateral root A lateral root cap that is part of a root cap of lateral root. caliptra de la raíz lateral de la raíz lateral (Spanish); 側根の側根冠 (Japanese) PO:0003021 central root cap of primary root A central root cap that is part of a root cap of primary root. caliptra de la raíz central de la raíz primaria (Spanish); 一次根の中心根冠 (Japanese) PO:0003022 lateral root cap of primary root A central root cap that is part of a root cap of primary root. caliptra de la raíz lateral de la raíz primaria (Spanish); 一次根の側根冠 (Japanese) PO:0003023 root nodule A cardinal organ part that is an outgrowth of a root and is inhabited by nitrogen-fixing bacteria. nódulo de la raíz (Spanish); nodule; 根粒 (Japanese) PO:0003024 stolon A branch that is slender, prostrate or trailing and above-ground and produces roots and sometimes erect shoots at its nodes. ストロン、ほふく茎 (Japanese); estolón (Spanish); runner PO:0004000 obsolete apical cell OBSOLETE. An embryonic plant cell that is the uppermost cell formed after the first division of the zygote. célula apical (Spanish) PO:0025284 embryo apical cell A sporophyte meristematic apical cell that is part of a plant embryo and is the uppermost cell formed after the first division of a zygote. célula apical del embrión (Spanish); embryonic meristematic apical cell; 胚頂端細胞 (Japanese) PO:0004001 bulliform cell An enlarged more or less thin-walled leaf pavement cell, present, with other similar cells, in longitudinal rows in leaves of monocots. célula bulliforme (Spanish); motor cell; 泡状細胞 (Japanese) PO:0004002 contact cell OBSOLETE. An axial parenchyma or a ray cell physiologically associated with a tracheary element. Also a cell next to a stoma. célula de contacto (Spanish); 接触細胞 (Japanese) PO:0004003 phellem A portion of ground issue centrifugally derived from cork cambium, non-living at maturity, and having suberized walls. コルク組織(=cork tissue) (Japanese); cork; felema (Spanish); portion of phellem tissue PO:0004004 epithelium cell OBSOLETE. A compact layer of cells, often secretory in function, covering a free surface or lining a cavity. célula del epitelio (Spanish); 上皮細胞 (Japanese) PO:0004005 laticiferous cell OBSOLETE. A specialized cells or ducts resembling vessels; they form branched networks of latex-secreting cells in the phloem and other parts of plants. célula laticífera (Spanish); 乳細胞 (Japanese) PO:0025031 laticifer cell A ground tissue cell (PO:0025030) that contains latex. célula laticífera (Spanish); 乳管細胞 (Japanese) PO:0004006 mesophyll cell A chlorenchyma cell that is part of a mesophyll. célula del mesófilo (Spanish); 葉肉細胞 (Japanese) PO:0004007 phelloid cell OBSOLETE. A cell within the phellem (cork) but distinct from the cork cell in having no suberin in its walls. コルク様(スベリン無)細胞 (Japanese); célula del feloide (Spanish) PO:0004008 photosynthetic cell OBSOLETE. A chloroplast-containing cell engaged in photosynthesis. célula fotosintetizadora (Spanish); 光合成細胞 (Japanese) PO:0004009 silica cell Cells with deposits of silica in them. One of the two types of short cells in the epidermis of grasses and bamboos. It is usually paired with epidermal cork cell. ケイ酸細胞、珪酸細胞 (Japanese); célula silícica (Spanish) PO:0004010 meristematic cell A plant cell synthesizing protoplasm and producing new cells by division and with only a primary cell wall. célula meristemática (Spanish); 分裂組織細胞 (Japanese) PO:0004011 initial cell A meristematic cell that by division gives rise to two cells, one of which remains meristematic, while the other is added to the plant body. célula inicial (Spanish); initial; meristemoid; stem cell; 始原細胞 (Japanese) PO:0004012 secretory cell OBSOLETE. Cell that produces secreted substances. célula secretora (Spanish); 分泌細胞 (Japanese) PO:0004013 epidermal cell A plant cell (PO:0009002) that is part of a portion of epidermis (PO:0005679). célula epidérmica (Spanish); 表皮細胞 (Japanese) PO:0004509 glandular trichome A trichome that secretes or sequesters a portion of plant substance. 腺毛 (Japanese); secretory trichome; tricoma glándular (Spanish) PO:0004511 seed trichome A trichome that develops from seed coat epidermis. 種子毛(毛茸、糸状体、毛状突起体) (Japanese); pubescence; seed hair; tricoma de la semilla (Spanish) PO:0004512 heartwood A portion of secondary xylem (PO:0005848) that lacks living secondary xylem parenchyma cells (PO:0004525). duramen (Spanish); 心材 (Japanese) PO:0004513 sapwood A portion of secondary xylem (PO:0005848) that has as parts living secondary xylem parenchyma cells (PO:0004525). albura (Spanish); 液材、辺材 (Japanese) PO:0004514 growth ring A portion of secondary xylem (PO:0005848) that has as parts a single layer of early wood (PO:0004515) and a single layer of late wood (PO:0004516) from the same growth season and is part of a shoot axis (PO:0025029) or root (PO:0009005). anillo de crecimiento (Spanish); annual ring; false annual ring; growth layer; 年輪(=annual ring) (Japanese) PO:0004515 early wood A portion of secondary xylem (PO:0005848) that is a part of a growth ring (PO:0004514) formed during the early part of a growing season, has lower density than late wood (PO:0004516) of the same growth ring, and has as parts early wood tracheary elements (PO:0025461) with generally larger lumens than the late wood tracheary elements (PO:0025462) of the same growth ring. earlywood; madera temprana (Spanish); spring wood; 早材 (Japanese) PO:0004516 late wood A portion of secondary xylem (PO:0005848) that is a part of a growth ring (PO:0004514) formed during the later part of a growing season, has higher density than early wood (PO:0004515) of the same growth ring, and has as parts late wood tracheary elements (PO:0025462) with generally smaller lumens than the early wood tracheary elements (PO:0025461) of the same growth ring. latewood; madera tardía (Spanish); summer wood; 晩材 (Japanese) PO:0004517 growth ring boundary A portion of secondary xylem (PO:0005848) that includes the last-formed late wood (PO:0004516) of one growth ring (PO:0004514) and the earliest-formed early wood (PO:0004515) of the next growth ring. límite del anillo de crecimiento (Spanish); 年輪境界線 (Japanese) PO:0004518 bark All tissues outside the vascular cambium or the xylem; in older trees may be divided into dead outer bark and living inner bark, which consists of secondary phloem. corteza (Spanish); portion of bark tissue; 樹皮 (Japanese) PO:0004519 phloem fiber cell A fiber cell (PO:0025407) that is part of a portion of phloem (PO:0005417) tissue. fibra del floema (Spanish); phloem fiber; 師部繊維 (Japanese) PO:0004520 libriform fiber cell A xylem fiber cell (PO:0000274) with simple pits. 真性木繊維 (Japanese); fibra libriforme (Spanish); libriform fiber PO:0004521 septate fiber cell A plant fiber cell (PO:0025407) with thin transverse walls (septa), which are formed when mitosis occurs within the cell after development of a secondary cell wall (GO:0009531). 隔壁繊維細胞 (Japanese); fibra septada (Spanish); septate fiber PO:0004522 outer vascular cambium Cambium at the outer margin of the xylem cylinder. cambium vascular externo (Spanish); 外側維管 形成層 (Japanese) PO:0004523 included vascular cambium Cambium occurring within xylem. cambium vascular interno (Spanish); 材内維管形成層 (Japanese) PO:0004524 included phloem A portion of secondary phloem tissue produced by included vascular cambium. floema incluido (Spanish); floema interno (Spanish); 材内師部 (Japanese) PO:0004525 secondary xylem parenchyma cell A parenchyma cell (PO:0000074) that is part of a portion of secondary xylem parenchyma (PO:0004532). célula parenquimática de la madera (Spanish); wood parenchyma cell; 二次木部柔組織細胞 (Japanese) PO:0004526 axial secondary xylem parenchyma cell A secondary xylem parenchyma cell (PO:0004525) that is part of a portion of axial secondary xylem parenchyma (PO:0004533). axial wood parenchyma cell; célula parenquimática axial de la madera (Spanish); 軸方向二次木部柔組織細胞 (Japanese) PO:0004527 ray secondary xylem parenchyma cell A parenchyma cell (PO:0000074) that develops from a ray initial (PO:0000082) and is part of a portion of ray secondary xylem parenchyma (PO:0004534). célula parenquimática de rayo de la madera (Spanish); ray wood parenchyma cell; 放射状二次木部柔組織細胞 (Japanese) PO:0004528 upright ray secondary xylem parenchyma cell A ray secondary xylem parenchyma cell (PO:0004527) that is oriented with its longest dimension parallel to the plant axis (PO:0025004) in which it is found. 直立放射状二次木部柔組織細胞 (Japanese); rayo parénquimático vertical de la madera (Spanish); upright cell; upright ray wood parenchyma cell PO:0004529 procumbent ray secondary xylem parenchyma cell A ray secondary xylem parenchyma cell (PO:0004527) that is oriented with its longest dimension radial to the plant axis (PO:0025004) in which it is found. célula procumbente del rayo de la madera (Spanish); procumbent cell; procumbent ray wood parenchyma cell; 平伏放射二次木部柔組織細胞 (Japanese) PO:0004530 tile cell Empty upright ray cell of approximately the same height as the procumbent ray cell and occurring in indeterminate horizontal series usually interspersed among the procumbent cells. タイル細胞 (Japanese); célula de baldoza B (Spanish) PO:0004531 sheath cell Cell on the margin of, and tending to form a sheath around, the procumbent cells of a multi-seriate ray as seen in tangential section. célula de la vaina (Spanish); 鞘細胞 (Japanese) PO:0004532 secondary xylem parenchyma A portion of parenchyma (PO:0005421) tissue that is part of a portion of secondary xylem (PO:0005848) and has as parts secondary xylem parenchyma cells (PO:0004525). parénquima de la madera (Spanish); wood parenchyma; 二次木部柔組織 (Japanese) PO:0004533 axial secondary xylem parenchyma A portion of secondary xylem parenchyma (PO:0004532) that is part of an axial system (PO:0025410) and has as parts axial secondary xylem parenchyma cells (PO:0004526). axial wood parenchyma; 軸方向二次木部柔組織 (Japanese); parénquima axial de la madera (Spanish) PO:0004534 ray secondary xylem parenchyma A portion of secondary xylem parenchyma (PO:0004532) that is part of a ray system (PO:0025411) and has as parts ray secondary xylem parenchyma cells (PO:0004527). parénquima de rayo de la madera (Spanish); ray; ray wood parenchyma; 放射状二次木質部柔組織 (Japanese) PO:0004535 fruit placenta A portion of placenta tissue that is part of a fruit and to which seeds are attached. placenta del fruto (Spanish); 果実の胎座 (Japanese) PO:0004536 fruit pedicel An infructescence branch that supports an individual fruit. pedicelo del fruto (Spanish); 果柄 (Japanese) PO:0004537 nucellar plant embryo A somatic plant embryo derived directly from nucellus cells. adventitious embryo; 珠心由来の不定胚 (Japanese); embrión adventicio (Spanish); nucellar embryo PO:0004538 indeterminate nodule A root nodule characterized by a persistent meristem, presence of vascular transfer cells, and cell division in the inner cortex with non-dividing infected cells and bacteria. 無限型根粒 (Japanese); nódulo indeterminable (Spanish) PO:0004539 determinate nodule A root nodule characterized by a dividing infected cells and bacteria, vascular transfer cells absent and cell division is in the outer cortex. nódulo determinado (Spanish); 有限型根粒 (Japanese) PO:0004540 fruit columella A columella that forms the central axis of a fruit. columela del fruto (Spanish); fruit carpophore; fruit columellae; fruit columellas; 果実柱軸 (Japanese) PO:0004542 rhizome A swollen shoot axis that grows horizontally at or below the substrate surface and produces shoots above and roots or rhizoids below. rizoma (Spanish); rootstock; 根茎=root stock (Japanese) PO:0004543 shoot axis tuber A tuber (PO:0025522) that develops from a branch (PO:0025073). シュート軸塊茎 (Japanese); diaspore; shoot axis branch tuber; tubérculo (Spanish); tuber branch PO:0004544 root-borne shoot system A shoot system that is initiated from a root. sistema de epiblasto (epiblastema) que nace en la raíz (Spanish); sucker; sucker shoot; turion; 根由来苗条系 (Japanese) PO:0004545 shoot-borne shoot system A shoot system that is initiated from a shoot. シュート由来苗条系 (Japanese); branch; sistema de epiblasto (epiblastema) que nace en el epiblasto (epiblastema) (Spanish); sucker; turion PO:0004546 epicormic shoot system A shoot-borne shoot system (PO:0004546) developing from a stem (PO:0009047). stem sucker; tallo epicórmico (Spanish); 後生枝 (Japanese) PO:0004547 subterranean tuber A shoot axis tuber (PO:0004543) that develops below ground. tubérculo subterráneo (Spanish); 地下塊茎 (Japanese) PO:0004548 aerial tuber A shoot axis tuber (PO:0004543) that develops above ground. tubérculo aéreo (Spanish); むかご(珠芽)propagule (Japanese) PO:0004700 anther wall middle layer A portion of ground tissue directly internal to an anther endothecium that develops from an anther wall parietal cell layer. capa media (Spanish); 葯壁中間層 (Japanese) PO:0004701 short shoot Shoot system in which the internodes elongate little or at all, bearing reproductive structures and/or leaves. brachyblast; bud spur; 短枝 (Japanese); epiblasto (epiblastema) corto (Spanish); short-shoot; spur PO:0004702 long shoot Shoot system in which all or most of the internodes elongate. epiblasto (epiblastema) largo (Spanish); 長枝 (Japanese) PO:0004703 carpel primordium A phyllome primordium (PO:0025128) that develops from a carpel anlagen (PO:0006005) and is committed to the development of a carpel (PO:0009030). carpel primordia; portion of carpel primordium tissue; primordio de carpelo (Spanish); 心皮原基(可視的) (Japanese) PO:0004704 sepal primordium A phyllome primordium (PO:0025128) that develops from a sepal anlagen (PO:0025485) and is committed to the development of a sepal (PO:0009031). がく片原基(可視的) (Japanese); portion of sepal primordium tissue; primordio de sépalo (Spanish); sepal primordia PO:0004705 stamen primordium A phyllome primordium (PO:0025128) that develops from a stamen anlagen (PO:0025486) and is committed to the development of a stamen (PO:0009029). 雄蕊原基(可視的) (Japanese); portion of stamen primordium tissue; primordio de estambre (Spanish); stamen primordia PO:0004706 flower primordium OBSOLETE. A primordium that will develop into a flower. 花原基(可視的) (Japanese); primordio de flor (Spanish) PO:0025477 floral organ primordium A primordium (PO:0025127) that is committed to the development of a floral organ (PO:0025395) and is part of a reproductive shoot apex (PO:0025222). 花器官原基 (Japanese); floral structure primordia; portion of floral structure primordium tissue; primordio de organo floral (Spanish) PO:0004707 fruit dehiscence zone A dehiscence zone that is part of a fruit. 裂開果帯 (Japanese); zona de dehiscencia del fruto (Spanish) PO:0004708 scutellar node A stem node that is the part of an embryo axis directly above the radicle where the scutellum is attached. 胚盤節 (Japanese); nodo escutelar (Spanish) PO:0004709 axillary bud A bud (PO:0000055) that develops from an axillary bud meristem (PO:0000232). 腋芽 (Japanese); yema axilar (Spanish) PO:0004710 axillary flower bud An axillary bud that develops into a flower. axillary floral bud; 腋花芽 (Japanese); yema de flor axilar (Spanish) PO:0004711 axillary inflorescence bud An axillary reproductive bud that develops into an inflorescence. 腋花序芽 (Japanese); yema de inflorescencia axilar (Spanish) PO:0004712 axillary vegetative bud An axillary bud (PO:0004712) that develops into a shoot system (PO:0009006) that has as organ parts only vegetative organs. 腋枝芽 (Japanese); yema vegetativa axilar (Spanish) PO:0004713 terminal bud A bud that develops from a shoot apical meristem. 頂芽 (Japanese); yema terminal (Spanish) PO:0004714 terminal flower bud A terminal bud that develops into a flower. 頂花芽 (Japanese); terminal floral bud; yema floral terminal (Spanish) PO:0004715 terminal inflorescence bud A terminal reproductive bud develops into an inflorescence. 花序頂芽 (Japanese); yema de inflorescencia terminal (Spanish) PO:0004716 terminal vegetative bud A terminal bud (PO:0004713) that develops into a shoot system (PO:0009006) that has as organ parts only vegetative organs. yema vegetativa terminal (Spanish); 栄養成長型頂芽 (Japanese) PO:0004717 long cell A more or less rectangular leaf pavement cell in which the proximodistal dimension is several times longer than the transverse dimension. célula larga (Spanish); 長細胞 (Japanese) PO:0004718 short cell An isodiametric leaf pavement cell. célula corta (Spanish); 短細胞 (Japanese) PO:0004719 hilum groove A canal (PO:0025132) that is a longitudinal groove in the testa through a prominent hilum (PO:0020063) of a seed (PO:0009010). へそ(種子)溝 (Japanese); faboid split; surco del hilium (Spanish) PO:0004721 paraclade cortex A portion of ground tissue that is part of a cortex and part of a paraclade. cortex (corteza) del paraclado (Spanish); portion of paraclade cortex tissue; 側生分枝皮層 (Japanese) PO:0004722 pedicel cortex A portion of ground tissue that is part of a cortex and part of a pedicel. cortex (corteza) del pedicelo (Spanish); portion of pedicel cortex tissue; 小花柄皮層 (Japanese) PO:0004723 sepal vascular system A phyllome vascular system that includes the totality of the portions of vascular tissue in their specific arrangement in a sepal. がく片維管系 (Japanese); sistema vascular del sépalo (Spanish) PO:0004724 hypocotyl-root junction A cardinal organ part that is the part of a plant axis where a radicle joins a hypocotyl. embryo axis transition zone; 胚軸-根合流点 (Japanese); Poaceae crown; union del hipocótile con la raíz (Spanish) PO:0004725 abaxial side of leaf primordium A portion of phyllome primordium tissue that is the abaxial/outer side of a leaf primordium and develops into the abaxial/lower leaf blade. 葉原基の裏側、背軸側 (Japanese); lado abaxial del primordio de hoja (Spanish) PO:0004726 adaxial side of leaf primordium A portion of phyllome primordium tissue that is the adaxial/inner side of the leaf primordium develops into the adaxial/upper leaf blade. 葉原基(可視的)の表側、向軸側 (Japanese); lado adaxial del primordio de la hoja (Spanish) PO:0005001 basal axillary shoot system An axillary shoot system (PO:0006343) that is part of a stem base (PO:0008039). basal axillary branch; epiblasto (epiblastema) axilar basal (Spanish); ratoon; tiller; 基底腋枝系 (Japanese) PO:0005002 cauline axillary shoot An axillary branch that forms from a leaf above the very base of the shoot. cauline axillary branch; epiblasto (epiblastema) axilar caulinar (Spanish); 茎生腋枝 (Japanese) PO:0005003 shoot axis trichome A trichome that is part of a shoot axis epidermis. シュート軸毛(毛茸、糸状体) (Japanese); branch trichome; eje de tricoma del epiblasto (epiblastema) (Spanish); stem trichome PO:0005004 shoot node A cardinal organ part of a shoot axis where one or more spikelet, flower, floret, branch, bud, or leaf may arise. シュート 節 (Japanese); nodo del epiblasto (epiblastema) (Spanish) PO:0005005 shoot internode A cardinal organ part that is the part of a shoot axis between two nodes of the axis. シュート節間 (Japanese); internodo del epiblasto (epiblastema) (Spanish) PO:0005006 articulated laticifer A portion of secretory tissue (PO:0005656) that has as parts articulated laticifer cells (PO:0006221). 連合乳管(有節乳管) (Japanese); laticífero articulado (Spanish); portion of articulated laticifer tissue PO:0005007 non-articulated laticifer OBSOLETE. A structure consisting of long multinucleate tubes in which latex is found, having no cross walls. 無節乳管、単乳管 (Japanese); laticífero no articulado (Spanish) PO:0006222 non-articulated laticifer cell A laticifer cell (PO:0025031) that is not joined longitudinally to other laticifer cells to form a tube. célula del laticífero no articulado (Spanish); 無節乳管細胞、単乳管細胞 (Japanese); simple laticifer PO:0005008 obsolete fruit septum OBSOLETE. A thin partition or membrane that divides a cavity or a mass of tissue in the fruit that is derived from the carpel septum. septo de fruto (Spanish) PO:0025267 fruit replum A portion of fruit placenta tissue that divides a fruit into two or more chambers and develops from a replum. fruit dissepiment; replum del fruto (Spanish); 果実隔膜 (Japanese) PO:0025268 fruit septum A septum that divides a cavity or mass of tissue in a fruit and develops from an ovary septum. fruit dissepiment; septo del fruto (Spanish); 果実隔壁 (Japanese) PO:0005009 carpel septum OBSOLETE. A thin partition or membrane that divides multilocular ovary. Often found in species with syncarpous (multiple carpels fused) pistil. septo del carpelo (Spanish); 心皮隔壁 (Japanese) PO:0025262 ovary septum A septum that divides a multilocular ovary. carpel synonym; ovary dissepiment; ovary septa; septo del ovario (Spanish); 子房隔壁 (Japanese) PO:0025272 ovary replum A portion of ovary placenta tissue that divides an ovary into two or more chambers and develops from contact of the placental tissue from opposite sides of the ovary early in gynoecium development. false ovary septum; ovary dissepiment; placental septum; replo (replum) del ovario (Spanish); 子房隔膜 (Japanese) PO:0005010 anther septum A septum that is present in an anther dehiscence zone. anther dissepiment; 葯隔壁 (Japanese); septo de la antera (Spanish) PO:0005011 anther dehiscence zone A dehiscence zone that is part of an anther. 開葯帯 (Japanese); zona de dehiscencia de la antera (Spanish) PO:0005012 pedicel vascular system A shoot axis vascular system that includes the totality of the portions of vascular tissue in their specific arrangement in a pedicel. sistema vascular del pedicelo (Spanish); 小花柄維管系 (Japanese) PO:0005013 hypocotyl epidermis The outermost primary cell layer of the hypocotyl. epidermis del hipocótile (Spanish); 胚軸 表皮 (Japanese) PO:0005014 embryo cortex A cortex that is part of an embryo. cortex (corteza) del emrbion (Spanish); 胚皮層 (Japanese) PO:0005015 embryo endodermis A portion of endodermis that is part of an embryo. endodermis del embrión (Spanish); 胚内胚葉 (Japanese) PO:0005016 replum OBSOLETE. A false septum formed by the ingrowth from the placenta of an ovary rather than from the carpel walls. This is formed post fertilization. 隔膜 (Japanese); repla; replum (replo) (Spanish) PO:0005017 flower vascular system A shoot system vascular system that includes the totality of the portions of vascular tissue in their specific arrangement in a flower. 花維管 系 (Japanese); sistema vascular de la flor (Spanish) PO:0005018 stamen vascular system A phyllome vascular system that includes the totality of the portions of vascular tissue in their specific arrangement in a stamen. 雄蕊維管系 (Japanese); sistema vascular del estambre (Spanish) PO:0005019 carpel vascular system A phyllome vascular system that includes the totality of the portions of vascular tissue in their specific arrangement in a carpel. sistema vascular del carpelo (Spanish); 心皮維管系 (Japanese) PO:0005020 vascular bundle A portion of vascular tissue (PO:0009015) that is a unit strand of the vascular system (PO:0000034) and has as part xylem (PO:0005352) or phloem (PO:0005417). 維管束 (Japanese); haz vascular (Spanish); vein PO:0005021 sepal margin The margin of a sepal. がく片縁 (Japanese); margen del sépalo (Spanish) PO:0005022 ovary wall A wall of an ovary that is composed of abaxial (outer) and adaxial (inner) epidermis and a middle layer, composed of mesophyll cells and a distinct subepidermal adaxial cell layer (as found in Arabidopsis). pared del ovario (Spanish); 子房壁 (Japanese) PO:0005023 abaxial epidermis of ovary The epidermal cell layer of the abaxial/outer surface of the ovary. epidermis abaxial del ovario (Spanish); 子房の裏側 背軸側の表皮 (Japanese) PO:0005024 adaxial epidermis of ovary The epidermal cell layer of the adaxial/inner surface of the ovary. epidermis adaxial del ovario (Spanish); 子房の表側、向軸側の表皮 (Japanese) PO:0005025 middle layer of ovary wall A portion of tissue that is composed of one or more mesophyll layers. It may have a distinct subepidermal adaxial cell layer (as found in Arabidopsis). capa media de la pared del ovario (Spanish); ovary wall middle layer; 子房壁の中間層 (Japanese) PO:0005026 root giant cell Multinucleate cell developed by a series of events involving kayokinesis but not cytokinesis of the initial feeding cell. The events are induced by root knot nematodes (e.g., Meloidogyne sp. ) entering the feeding cells (any cells) of the root vascular system. célula gigante de la raíz (Spanish); 根巨大細胞 (Japanese) PO:0005027 root syncytium cell Multinucleate cell developed by a series of events involving fusion with the neighboring dividing cells. The events are induced by cyst nematodes (e.g. Heterodera schachtii) entering the feeding cells (any cells) of the root vascular system. célula ??? de la raíz (Spanish); 根融合細胞 (Japanese) PO:0005028 inflorescence vascular system A shoot system vascular system that includes the totality of the portions of vascular tissue in their specific arrangement in an inflorescence. 花序維管系 (Japanese); sistema vascular de inflorescencia (Spanish) PO:0005029 root primordium A primordium (PO:0025127) that develops from a root anlagen (PO:0025433) and is committed to the development of a root (PO:0009005). portion of root primordium tissue; primordio de raíz (Spanish); root primordia; 根原基(可視的) (Japanese) PO:0005039 primary thickening meristem A shoot lateral meristem (PO:0006344) that is part of a shoot axis (PO:0025029) and has a parts multiple layers of meristematic cells (PO:0004010) located near the shoot apical meristem (PO:0020148). collar meristem; meristema de engrosamiento primario (Spanish); meristematic cap; PTM; 一次 肥厚(膜)分裂組織 (Japanese) PO:0005040 root pith A portion of pith (PO:0006109) that is part of a root (PO:0009005). médula de la raíz (Spanish); 根髄 (Japanese) PO:0005041 shoot axis pith A portion of pith (PO:0006109) that is part of a shoot axis (PO:0025029). シュート軸髄 (Japanese); branch pith; médula del eje del epiblasto (epiblastema) (Spanish); stem pith PO:0005043 secondary phloem A portion of phloem (PO:0005417) tissue that develops from a vascular cambium (PO:0005598). floema secundario (Spanish); portion of secondary phloem tissue; 二次師部 (Japanese) PO:0005046 periderm A peripheral portion of ground tissue in a plant axis that is composed of phellogen, phellem, and phelloderm. peridermis (Spanish); portion of periderm tissue; portion of peridermal tissue; 周皮 (Japanese) PO:0005047 root periderm A portion of periderm that is part of a root. peridermis de la raíz (Spanish); 根周皮 (Japanese) PO:0005048 shoot axis periderm A portion of periderm that is part of a shoot axis. シュート軸周皮 (Japanese); branch periderm; peridermis del eje del epiblasto (epiblastema) (Spanish); stem periderm PO:0005050 phelloderm A portion of ground tissue often resembling cortical parenchyma produced centripetally by the cork cambium. コルク皮層 (Japanese); felodermis (Spanish); portion of phelloderm tissue PO:0005051 hypodermis A portion of ground tissue that is the outermost layer of a portion of cortex. 真皮 (Japanese); hipodermis (Spanish); portion of hypodermal tissue PO:0005052 plant callus A portion of plant tissue that consists of mass of undifferentiated plant cells. callo (Spanish); callus; portion of plant callus tissue; 植物カルス (Japanese) PO:0005053 laticifer OBSOLETE. A secretory structure that produces latex. laticífero (Spanish); 乳管 (Japanese) PO:0006221 articulated laticifer cell A laticifer cell (PO:0025031) that is joined longitudinally to other articulated laticifer cells to form a tube. célula del laticífero articulado (Spanish); compound laticifer cell; 連合乳管(有節乳管)細胞 (Japanese); laticifer member PO:0005057 shoot axis hypodermis A portion of hypodermis that is part of a shoot axis cortex. シュート軸真皮 (Japanese); branch hypodermis; hipodermis del eje del epiblasto (epiblastema) (Spanish); stem hypodermis PO:0005058 shoot axis endodermis A portion of endodermis that is part of a shoot axis cortex. シュート軸内胚葉 (Japanese); branch endodermis; endodermis de eje del epiblasto (epiblastema) (Spanish); stem endodermis PO:0005059 root endodermis A portion of endodermis that is part of a root cortex. endodermis de la raíz (Spanish); 根内皮 (Japanese) PO:0005060 leaf endodermis A portion of endodermis that is part of a vascular leaf. endodermis de la hoja (Spanish); 葉内皮 (Japanese) PO:0005349 schizo-lysigenous aerenchyma OBSOLETE. Aerenchyma, originating by a combination of two processes, separation and degradation of cell walls. aerénquima esquizo-lisígeno (Spanish); 離破生通気組織(schizogenous?) (Japanese) PO:0005352 xylem A portion of vascular tissue (PO:0009015) that has as part one or more tracheary elements (PO:0000290). portion of xylem tissue; xilema (Spanish); 木質部 (Japanese) PO:0005360 aleurone layer A portion of plant tissue that is the outermost layer of endosperm in a seed, its cells being characterized by presence of protein bodies containing seed storage proteins. capa de aleurona (Spanish); 糊粉粒、アリューロン層 (Japanese); fruit aleurone layer PO:0005415 endosperm parenchyma A portion of seed storage parenchyma that is part of an endopserm. parénquima endospérmico (Spanish); 内胚乳、胚乳柔組織 (Japanese) PO:0005417 phloem A portion of vascular tissue (PO:0009015) that has as parts sieve elements (PO:0025406). floema (Spanish); portion of phloem tissue; 師部、師管 (Japanese) PO:0005421 parenchyma A portion of ground tissue (PO:0025059) composed of polyhedral cells typically with thin, non-lignified cellulosic cell walls and nucleate, living protoplasts. parénquima (Spanish); portion of parenchyma tissue; portion of parenchymatous tissue; 柔組織 (Japanese) PO:0005423 collenchyma Living tissue composed of more or less elongated cells with thick non-lignified primary cell walls. colénquima (Spanish); portion of collenchyma tissue; supporting tissue; 厚角組織 (Japanese) PO:0005426 chlorenchyma Chloroplast-containing parenchyma tissue. clorénquima (Spanish); portion of chlorenchyma tissue; 同化組織、葉緑組織 (Japanese) PO:0005427 sclerenchyma A supporting tissue composed of fibers or sclereids. esclerénquima (Spanish); portion of sclerenchyma tissue; portion of sclerenchymatous tissue; 厚膜組織 (Japanese) PO:0005597 cambium A lateral meristem (PO:0020145) that has as part a single layer of cambial initial cells (PO:0000295) and their derivatives, arranged orderly in radial files. cambium (Spanish); 形成層 (Japanese) PO:0005598 vascular cambium A cambium (PO:0005597) that is located between and gives rise to secondary xylem (PO:0005848) and secondary phloem (PO:0005043). cambium vascular (Spanish); 維管束形成層 (Japanese) PO:0005599 cork cambium A cambium (PO:0005597) that is part of a periderm (PO:0005046) and produces phellem (PO:0004003) and phelloderm (PO:0005050). コルク形成層 (Japanese); cambium de corcho (Spanish); phellogen PO:0005621 angular collenchyma OBSOLETE. A form of collenchyma in which the primary wall thickening is most prominent in the angles where three or more cells are joined. colénquima angular (Spanish); 角隅厚角組織 (Japanese) PO:0005632 lacunar collenchyma OBSOLETE. A collenchyma characterized by intercellular spaces and cell wall thickenings facing the intercellular spaces. colénquima lacunar (Spanish); 間隙厚角組織 (Japanese) PO:0005633 lamellar collenchyma OBSOLETE. A collenchyma in which cell wall thickenings are deposited mainly on tangential walls. ラメラ厚角組織 (Japanese); colénquima laminar (Spanish); plate collenchyma; tangential collenchyma PO:0005645 leaf mesophyll The chloroplast-containing, photosynthetic parenchymatous tissue situated between the two epidermal layers of the foliage leaf. 葉の葉肉 (Japanese); foliage leaf mesophyll; leaf parenchyma; mesófilo de la hoja (Spanish) PO:0005647 spongy mesophyll Leaf mesophyll parenchyma characterized by little elongated cells, that are not closely packed and have conspicuous intercellular spaces. mesófilo esponjoso (Spanish); spongy parenchyma; 海綿状葉肉 (Japanese) PO:0005648 palisade mesophyll Parenchyma containing closely packed elongated chlorenchymatous cells oriented perpendicular to the leaf surface and which are active in photosynthesis. mesófilo en empalizada (Spanish); palisade parenchyma; 柵状葉肉 (Japanese) PO:0005656 portion of secretory tissue Tissues that form specialized structures producing a secretion. gland; porción del tejido secretor (Spanish); 分泌組織の一部 (Japanese) PO:0005660 hydathode A cardinal organ part that releases water through a hydathode pore. hidatodo (Spanish); 排水組織 (Japanese) PO:0005661 salt gland A specialized tissue where excess salt absorbed in water from the soil is concentrated, being stores or excreted. glándula de sal (Spanish); 塩腺 (Japanese) PO:0005665 resin canal A duct of schizogenous origin lined with resin-secreting cells and containing resin. canal de resina (Spanish); resin duct; 樹脂道 (Japanese) PO:0005669 oil gland A gland or a cavity lined with cells that secrete oils. glándula aceitosa (Spanish); oil cavity; 油胞、油腺 (Japanese) PO:0005679 epidermis A portion of plant tissue (PO:0009007) composed of epidermal cells (PO:0004013) that develops from the protoderm (PO:0006210) and covers the surface of a plant structure (PO:0009011). dermal tissue; epidermal layer; epidermides; epidermis (Spanish); epidermises; 表皮 (Japanese); multiseriate epidermis; portion of epidermal tissue PO:0005702 aerenchyma A portion of parenchyma tissue containing particularly large intercellular spaces of schizogenous or lysigenous origin. aerénquima (Spanish); 通気組織 (Japanese); portion of aerenchyma tissue PO:0005704 rhexigenous aerenchyma OBSOLETE. Aerenchyma originating by rupture of cells. aerénquima XXXX (Spanish); rhexigenous通気組織 (Japanese) PO:0005706 lysigenous aerenchyma OBSOLETE. Aerenchyma originating by dissolution of cells. aerénquima lisígeno (Spanish); 破生通期組織 (Japanese) PO:0005708 cortex A maximal portion of ground tissue (PO:0025059) between the vascular system (PO:0000034) and the epidermis (PO:0005679) in a plant. cortex (corteza) (Spanish); 皮層 (Japanese); portion of cortex tissue PO:0005752 promeristem OBSOLETE. Meristematic tissue consisting of apical initials, together with cells derived from them and which are still close to the initial. promeristema (Spanish); 前分裂組織 (Japanese) PO:0005772 exodermis The sub-epidermal layer or layers of cells of the root similar in structure and cytochemical characteristics of the endodermis, the outermost layer or layers of cells of the cortex. exodermis (Spanish); root hypodermis; 外皮 (Japanese) PO:0005848 secondary xylem A portion of xylem (PO:0005352) tissue that develops from a vascular cambium (PO:0005598). portion of secondary xylem tissue; wood; xilema secundario (Spanish); 二次木部 (Japanese) PO:0005849 primary xylem A portion of xylem (PO:0005352) tissue that develops from the procambium (PO:0025275). portion of primary xylem tissue; xilema primario (Spanish); 一次木部 (Japanese) PO:0006000 caryopsis hull A collective phyllome structure that encloses a fruit of the Poaceae (caryopsis) and develops from a dried lemma and palea. イネ科植物 籾殻、外皮 (Japanese); plúmula de Poaceae (Spanish); Poaceae hull PO:0006001 phyllome A lateral plant organ (PO:0009008) produced by a shoot apical meristem (PO:0020148). フィロム、葉(的)器官 (Japanese); filoma (Spanish) PO:0006002 lower glume A glume that is the proximal/basal of the two glumes subtending a pair of florets. 第一苞頴(first glume) (Japanese); first glume; gluma inferior (Spanish); lower empty glume; lower rudimentary glume; outer empty glume; outer glume; outer rudimentary glume PO:0006003 scale leaf A phyllome that is reduced in size relative to a vascular leaf on the same plant and is often associated with a perennating or dormant bud or a vegetatively propagating organ such as a rhizome. catáfila en escama (Spanish); cataphyll; 鱗片葉 (Japanese) PO:0006004 upper glume A glume that is the apical/distal of the two glumes subtending a pair of florets. 第二苞頴(second glume) (Japanese); gluma superior (Spanish); inner empty glume; inner glume; inner rudimentary glume; second glume; upper empty glume; upper rudimentary glume PO:0006005 carpel anlagen A phyllome anlagen (PO:0025430) that will give rise to a carpel primordium (PO:0004703) and is part of a peripheral zone (PO:000225) of a flower meristem (PO:0000229). esbozo de carpelo (Spanish); 心皮原基 (Japanese) PO:0006006 anther wall primary parietal cell layer A portion of ground tissue that is part of an anther wall and has as parts a primary parietal cell and adjacent cells. capa primaria de células parietales (Spanish); 葯壁一次側膜細胞層、壁細胞層 (Japanese); pollen sac primary parietal cell layer PO:0006007 anther wall secondary parietal cell layer A portion of ground tissue that is part of an anther wall and develops from an anther wall primary parietal cell layer. capa secundaria de células parietales (Spanish); 葯壁二次側膜細胞層、壁細胞層 (Japanese); pollen sac secondary parietal cell layer PO:0006008 anther wall inner secondary parietal cell layer An anther wall secondary parietal cell layer that is formed towards the inside after the cells of an anther wall primary parietal cell layer undergo a periclinal division. capa interna secundaria de células parietales (Spanish); 葯壁内二次側膜細胞層 (Japanese); pollen sac inner secondary parietal cell layer PO:0006009 anther wall outer secondary parietal cell layer An anther wall secondary parietal cell layer formed towards the outside after an anther wall primary parietal cell layer undergoes a periclinal division. capa externa secundaria de células parietales (Spanish); 葯壁外二次側膜細胞層、壁細胞層 (Japanese); pollen sac outer secondary parietal cell layer PO:0006010 primary parietal cell It is formed by the division of a archesporial cell. célula primaria parietal (Spanish); 一次側膜細胞、壁細胞 (Japanese) PO:0006011 lateral leaf vein An unbranched second order leaf vein (PO:0020140) that runs between two adjacent primary leaf veins (PO:0025413). vena lateral (Spanish); 側脈 (Japanese) PO:0006012 leaf collar A thin band of intercalary meristematic tissue at the junction of a leaf blade (lamina) and a leaf sheath found in grasses. collar de la hoja (Spanish); 葉頚領(カラー) (Japanese) PO:0006013 juice sac As found in citrus the mature juice sac is a swollen sac with a slender stalk and a sac wall lined with layers of tightly arranged cells. It develops from a single cell of the endocarp. Endocarp develops from the carpellary inner epidermis. 胞のう (Japanese); juice vesicle; vesícula contenedora de jugo (Spanish) PO:0006014 male archesporial cell An archesporial cell that is part of a microsporangium and divides to gives rise to a microsporocyte. anther archesporial cell; célula masculina arquesporial (Spanish); 雄性胞原細胞 (Japanese); male archesporial initial PO:0006015 female archesporial cell An archesporial cell that is part of a megasporangium and divides to give rise to a megasporocyte. célula femenina arquesporial (Spanish); 雌胞原細胞 (Japanese); female archesporial initial; ovule archesporial cell PO:0006016 leaf epidermis A portion of phyllome epidermis that is part of a leaf. epidermis de la hoja (Spanish); 葉表皮 (Japanese); foliage leaf epidermis; phyllid epidermis PO:0006017 helobial endosperm An endosperm in which the first karyokinetic event is accompanied by the formation of a horizontal wall which divides the central cell into unequal regions. The larger one is the micropylar chamber in which cytokinesis does not occur and the smaller one is the chalazal chamber. endosperma helobial (Spanish); 沼生目型胚乳 (Japanese) PO:0006018 leaf adaxial epidermis A portion of shoot epidermis that covers the adaxial/upper surface of a leaf. epidermis adaxial de la hoja (Spanish); 葉向軸側表皮 (Japanese); upper epidermis PO:0006019 leaf abaxial epidermis A portion of leaf epidermis that covers the abaxial/lower surface of a leaf. epidermis abaxial de la hoja (Spanish); 葉背軸側表皮 (Japanese); lower epidermis PO:0006020 lateral root apical meristem A root apical meristem found that is part of a lateral root. apical meristem of lateral root; lateral root meristem; meristema apical de la raíz lateral (Spanish); 側根頂端分裂組織 (Japanese) PO:0006021 adventitious root apical meristem A root apical meristem that is part of an adventitious root. crown root meristem; meristema de la raíz adventicia (Spanish); seminal root meristem; 不定根頂端分裂組織 (Japanese) PO:0006022 bundle sheath extension A strip of ground tissue present along the leaf veins and extending from the bundle sheath to the epidermis. It may be present on one or both sides of the vein and may consist of parenchyma or sclerenchyma. 維管束鞘延長部 (Japanese); extensión de la vaina vascular (Spanish) PO:0006023 bundle sheath A layer or layers of cells surrounding the vascular bundles of leaves. It may consist of parenchyma or sclerenchyma. 維管束鞘 (Japanese); vaina del haz (Spanish) PO:0006024 parenchyma sheath A single layered, parenchymatous bundle sheath characterized by presence of large quantity of starch. starch sheath; vaina parenquimática (Spanish); 柔組織 鞘 (Japanese) PO:0006025 mestome sheath The inner endodermal sheath of a two layered bundle sheath. The cells are smaller in diameter compared to those in outer wall (starch sheath). The cell walls are thick and contain suberized lamellae. They are analogous to endodermis. メストム鞘、維管束鞘の内側、維管束鞘延長部 (Japanese); vaina del mestoma (Spanish) PO:0006032 lemma awn An awn that is part of a lemma. arista de la lemma (Spanish); 外頴芒 (Japanese) PO:0006033 paleal apiculus A short, abrupt, flexible point present at the apex of the palea. apículo de la palea (Spanish); apiculus; 内頴頂端 (Japanese) PO:0006034 leaflet margin The margin of the leaflet. margen del folíolo (Spanish); 小葉縁 (Japanese) PO:0006035 shoot epidermis A portion of epidermis that is part of a shoot system. シュート表皮 (Japanese); epidermis del epiblasto (epiblastema) (Spanish) PO:0006036 root epidermis A portion of epidermis that is part of a root system. epiblem; epidermis de la raíz (Spanish); rhizodermis; 根表皮 (Japanese) PO:0006039 adventitious root epidermis A portion of root epidermis that is part of an adventitious root. crown root epidermis; epidermis de la raíz adventicia (Spanish); 不定根表皮 (Japanese) PO:0006040 sepal epidermis A portion of phyllome epidermis that is part of a sepal. がく片表皮 (Japanese); epidermis del sépalo (Spanish) PO:0006041 petal epidermis A portion of phyllome epidermis (PO:0025157) that is part of a petal (PO:0009032). epidermis del pétalo (Spanish); 花弁表皮 (Japanese) PO:0006042 velamen A multiseriate epidermis found in aerial roots of some monocots. Most of its cells are dead and store water like a sponge. velamen (Spanish); velamen radicum; velamina; 根被(套被) (Japanese) PO:0006043 integument epidermis A portion epidermis that is part of an integument. 珠皮表皮 (Japanese); epidermis del integumento (Spanish); Poaceae integument epidermis PO:0006044 inner integument epidermis The epidermis of the inner integument in an ovule. epidermis del integumento interior (Spanish); 内珠皮表皮 (Japanese) PO:0006045 outer integument epidermis The epidermis of the outer integument in an ovule. epidermis del integumento exterior (Spanish); 外珠皮表皮 (Japanese) PO:0006048 seed coat epidermis A portion of epidermis that is part of a seed coat. 種子種皮表皮 (Japanese); epidermis de la cubierta de la semilla (Spanish) PO:0006049 scutellum epidermis A portion of shoot epidermis that is part of the scutellum. epidermis del escutelo (Spanish); 胚盤表皮 (Japanese) PO:0006050 exotesta That part of the seed coat that develops from the outer surface of the outer integument. exotesta/testa exterior (Spanish); portion of exotesta tissue; seed coat outer epidermis; 外珠皮の外側の表皮から発生する外種皮 (Japanese) PO:0006051 endotesta That part of the seed coat that develops from the inner epidermis of the outer integument. endotesta/testa interior (Spanish); portion of endotesta tissue; seed coat inner epidermis; 外珠皮の内側の表皮から発生する外種皮 (Japanese) PO:0006052 petal abaxial epidermis A portion of petal epidermis that covers the abaxial/lower surface of a petal. epidermis abaxial del pétalo (Spanish); 花弁背軸側 表皮 (Japanese) PO:0006053 petal adaxial epidermis A portion of petal epidermis that covers the adaxial/upper surface of a petal. epidermis adaxial del pétalo (Spanish); 花弁向軸側 表皮 (Japanese) PO:0006054 sepal abaxial epidermis A portion of sepal epidermis that covers the abaxial/lower surface of a sepal. がく片背軸側 表皮 (Japanese); epidermis abaxial del sépalo (Spanish) PO:0006055 sepal adaxial epidermis A portion of sepal epidermis that covers the adaxial/upper surface of a sepal. がく片向軸側 表皮 (Japanese); epidermis adaxial del sépalo (Spanish) PO:0006056 cotyledon epidermis A leaf epidermis that is part of a cotyledon. epidermis del cotiledón (Spanish); 子葉 表皮 (Japanese) PO:0006057 cotyledon abaxial epidermis The abaxial/lower epidermal cell layer of the cotyledon. epidermis abaxial de cotiledón (Spanish); 子葉 背軸側 表皮 (Japanese) PO:0006058 cotyledon adaxial epidermis The adaxial/upper epidermal cell layer of the cotyledon. epidermis adaxial de cotiledón (Spanish); 子葉 向軸側 表皮 (Japanese) PO:0006060 filament epidermis A portion of stamen epidermis that is part of a filament. epidermis del filamento (Spanish); 花糸表皮 (Japanese) PO:0006061 stigma epidermis A portion of carpel epidermis that is part of a stigma. epidermis del estigma (Spanish); Poaceae stigma epidermis; 柱頭 表皮 (Japanese) PO:0006062 style epidermis A portion of carpel epidermis that is part of a style. epidermis del estilo (Spanish); 花柱表皮 (Japanese); Poaceae style epidermis; transmitting tract epidermis PO:0006063 ovary epidermis A portion of epidermis that is part of an ovary. epidermis del ovario (Spanish); Poaceae ovary epidermis; 子房表皮 (Japanese) PO:0006065 hypocotyl endodermis A portion of endodermis that is part of a hypocotyl. endodermis del hipocótile (Spanish); 胚軸内胚葉 (Japanese) PO:0006066 petiole parenchyma A portion of parenchyma tissue that is part of a petiole. 葉柄柔組織 (Japanese); parénquima del pecíolo (Spanish) PO:0006067 cambium-like transitional zone OBSOLETE. A cup-shaped region in the shoot apical meristem found between the central mother cell and the rib and peripheral zone. The cells of this zone are derived from the corpus intials, but in some cases they arise also from tunica initials. adaxial meristem; leaf meristem; ventral meristem; zona transicional semejante al cambium (Spanish); 形成層様移行帯 (Japanese) PO:0006068 sepal parenchyma A portion of parenchyma tissue that is part of a sepal. がく片柔組織 (Japanese); parénquima del sépalo (Spanish) PO:0006069 petal parenchyma A portion of parenchyma (PO:0005421) tissue that is part of a petal (PO:0009032). 花弁柔組織 (Japanese); parénquima del pétalo (Spanish) PO:0006070 mesophyll The chloroplast-containing, photosynthetic parenchymatous tissue situated between the two epidermal layers of the leaf or leaf like organs. 葉肉 (Japanese); mesófilo (Spanish) PO:0006071 petal mesophyll The chloroplast-containing, photosynthetic parenchymatous tissue situated between the two epidermal layers of the petal. 花弁葉肉 (Japanese); mesófilo del pétalo (Spanish) PO:0006072 sepal mesophyll The chloroplast-containing, photosynthetic parenchymatous tissue situated between the two epidermal layers of the sepal. がく片葉肉 (Japanese); mesófilo del sépalo (Spanish) PO:0006073 intercalary meristem A shoot meristem (PO:0006079) that is intercalated between two portions of non-meristematic tissue and results in an increase in length as part of primary growth. 節間分裂組織、介在分裂組織 (Japanese); meristema intercalar (Spanish) PO:0006074 obsolete procambium OBSOLETE. A portion of primary cambium that undergoes differentiation to form the primary vascular tissue. procambium (Spanish) PO:0025275 procambium A portion of meristem tissue that undergoes differentiation to form the primary vascular tissue. procambio (Spanish); 前形成層 (Japanese) PO:0006075 primary phloem A portion of phloem (PO:0005417) tissue that develops from the procambium (PO:0025275). floema primario (Spanish); portion of primary phloem tissue; 一次師部 (Japanese) PO:0006076 metaphloem A portion of primary phloem (PO:0006075) tissue that has as parts companion cells (PO:0000071, in angiosperms) or albuminous cells (PO:0025412, in gymnosperms) associated with the sieve elements (PO:0025406) and that develops after the protophloem (PO:0006077). metafloema (Spanish); portion of metaphloem tissue; 後生師部 (Japanese) PO:0006077 protophloem A portion of primary phloem (PO:0006075) tissue has as parts the first-formed sieve elements (PO:0025406) at a particular location and does not have companion cells (PO:0000071, in angiosperms) or albuminous cells (PO:0025412, in gymnosperms) associated with the sieve elements. portion of protophloem tissue; protofloema (Spanish); 原生師部 (Japanese) PO:0006078 primary vascular tissue OBSOLETE. The vascular tissue of the primary plant body at the embryonic stage. tejido vascular primario (Spanish); 一次維管束組織 (Japanese) PO:0006079 shoot meristem A portion of meristem tissue (PO:0009013) that is part of a shoot system (PO:0009006). シュート分裂組織 (Japanese); meristema del epiblasto (epiblastema) (Spanish) PO:0006080 secondary vascular tissue OBSOLETE. The vascular tissue derived from the vascular cambium because of the secondary growth. tejido vascular secundario (Spanish); 二次維管束組織 (Japanese) PO:0006081 primary root apical meristem A root apical meristem that is part of a primary root. apical meristem of primary root; embryonic root meristem; meristema apical de la raíz primaria (Spanish); 一次根頂端分裂組織 (Japanese) PO:0006082 abaxial protoderm The outermost layer of the shoot apical meristem which gives rise to the abaxial/lower leaf epidermis. 背軸側前表皮 (Japanese); protodermis abaxial (Spanish) PO:0006083 adaxial protoderm The outermost layer of the shoot apical meristem which gives rise to the adaxial/upper leaf epidermis. protodermis adaxial (Spanish); 向軸側前表皮 (Japanese) PO:0006084 portion of transfusion tissue Tissue consisting of tracheids and parenchyma cells, associated with the vascular bundle. 移入組織の一部 (Japanese); porción del tejido de transfusión (Spanish) PO:0006085 root meristem A meristem that is part of a root system. meristema de la raíz (Spanish); meristematic zone; 根分裂組織 (Japanese) PO:0006086 accessory transfusion tissue OBSOLETE. The accessory tissue extending laterally into the mesophyll rather than remaining associated with the vascular bundles. tejido accesorio de transfusión (Spanish); 副(補助)移入組織 (Japanese) PO:0006087 proliferation tissue OBSOLETE. Tissue that develops from phloem parenchyma in the outer portion of the inner bark accommodating the expansion in circumference. tejido de proliferación (Spanish); 増殖組織 (Japanese) PO:0006088 primary sporogenous cell It is formed by the division of the male archesporial initial. After several mitotic divisions these cells differentiate into pollen mother cells. célula esporógena primaria (Spanish); 一次胞子形成細胞 (Japanese) PO:0006089 anther primordium A floral structure primordium (PO:0025477) that is committed to the development of an anther (PO:0009066). 葯原基(可視的) (Japanese); portion of anther primordium tissue; primordio de la antera (Spanish) PO:0006090 organogenic callus A cultured plant callus that is capable of forming plant organs. callo órganogénico (Spanish); meristematic callus; 器官形成カルス (Japanese) PO:0006091 embryogenic callus A cultured plant callus that is capable of forming somatic embryos. callo embriogénico (Spanish); 胚状カルス (Japanese) PO:0006109 pith A maximal portion of parenchyma (PO:0005421) in the center of a shoot axis (PO:0025029) or root (PO:0009005). 髄 (Japanese); médula (Spanish); medulla PO:0006200 fascicular cambium Vascular cambium originating from procambium within vascular bundles or fascicles. cambium fascicular (Spanish); 維管束内形成層 (Japanese) PO:0006201 interfascicular cambium Vascular cambium arising between vascular bundles or fascicles, in the interfascicular parenchyma or pith. cambium interfascicular (Spanish); 維管束間形成層 (Japanese) PO:0006202 interfascicular region A portion of ground tissue located between vascular bundles in a shoot axis. 維管束間領域 (Japanese); medullary ray; pith ray; región interfascicular (Spanish) PO:0006203 pericycle A portion of ground tissue that is part of a root stele located between the phloem and endodermis. periciclo (Spanish); portion of pericycle tissue; portion of pericyclic tissue; 内鞘 (Japanese) PO:0006204 sporocyte A diploid (2n) cell that undergoes meiosis and produces four haploid (1n) spores. esporocito (Spanish); 胞子母細胞 (Japanese); meiocyte; spore mother cell PO:0006205 spongy mesophyll cell Irregularly-shaped, chlorenchymatous cell, separated by large air spaces. célula del mesófilo esponjoso (Spanish); spongy parenchyma cell; 海綿状葉肉細胞 (Japanese) PO:0006206 palisade mesophyll cell Elongated chlorenchymatous cell oriented perpendicular to the leaf surface and which is active in photosynthesis. célula del mesófilo en empalizada (Spanish); palisade parenchyma cell; 柵状葉肉細胞 (Japanese) PO:0006207 exodermal passage cell A short cell in the dimorphic type of exodermis with cell wall that remains non-thickened. célula de pasaje exodérmica (Spanish); 外皮通過細胞 (Japanese) PO:0006208 endodermal passage cell Cell in the endodermal layer of the root with cell wall that remains non-thickened. célula de pasaje endodérmica (Spanish); 内胚葉通過細胞 (Japanese) PO:0006209 lateral root epidermis OBSOLETE. The outer most cell layer of the lateral roots. epidermis de la raíz lateral (Spanish); 側根表皮 (Japanese) PO:0006210 protoderm A portion of meristem tissue that develops from the outer layer of an apical meristem and gives rise to a portion of epidermis. dermatogen cell; protodermis (Spanish); 前表皮、原表皮 (Japanese) PO:0006211 separation layer A portion of plant tissue that is part of an abscission zone and contains cells that develop an abnormal wall chemistry and swelling resulting in their easily being pulled apart along the pectin-rich middle lamella. capa de separación (Spanish); 隔離層 (Japanese) PO:0006212 protective layer A portion of plant tissue composed of a layer of cells that is part of the abscission zone that have lignin and suberin depositions and are found on the axial side of the break or exposed surface of abscission. capa protectora (Spanish); 保護層 (Japanese) PO:0006213 root aerenchyma Parenchyma tissue containing particularly large intercellular spaces in the tissue of roots. aerénquima de la raíz (Spanish); 根通気組織 (Japanese) PO:0006214 stem aerenchyma A portion of aerenchyma that is part of a stem. aerénquima del tallo (Spanish); 茎通気組織 (Japanese) PO:0006215 leaf aerenchyma A portion of parenchyma tissue containing particularly large intercellular spaces in the leaf mesophyll. aerénquima de la hoja (Spanish); 葉通気組織 (Japanese) PO:0006216 internal phloem A portion of primary phloem tissue positioned internal to the primary xylem. floema intraxilémico (Spanish); intraxylary phloem; 内部師部 (Japanese) PO:0006218 exotegmen That part of the seed coat that develops from the outer surface of the inner integument. tegmen exterior (Spanish); 内珠皮の外側の表皮から発生する内種皮 (Japanese) PO:0006219 endotegmen That part of the seed coat that develops from the inner epidermis of the inner integument. tegmen interior (Spanish); 内珠皮の内側の表皮から発生する内種皮 (Japanese) PO:0006220 central endosperm A portion of plant tissue that is the central region of an endosperm, composed of cells that are significantly larger than those at the periphery, especially the aleurone and sub-aleurone layers. endosperma central (Spanish); portion of central endosperm tissue; 中心内胚乳、胚乳 (Japanese) PO:0006300 obsolete plant structure OBSOLETE. The instances of this parent term are those anatomical terms which have become obsolete. estructura vegetal obsoleta (Spanish) PO:0006301 corpus OBSOLETE. Group of cells located beneath anticlinally dividing peripheral layers (tunica) and dividing in many planes. In apical shoot meristem. Such division cause the increase in the volume of shoot. corpus (Spanish); 内体 (Japanese) PO:0006302 tunica OBSOLETE. The outermost layer or layers in the shoot apical meristem of the Angiosperms in which the plane of division is almost anticlinal. This layer contributes to surface growth. túnica (Spanish); 外衣 (Japanese) PO:0006303 L1 OBSOLETE. The outer layer of the tunica. L1 (Japanese); L1 (Spanish) PO:0009020 meristem L1 The outermost layer of a shoot apical meristem that gives rise to a shoot epidermis. meristema L1 (Spanish); 分裂組織 L1 (Japanese) PO:0006304 L2 OBSOLETE. The second layer of the tunica. L2 (Japanese); L2 (Spanish) PO:0009021 meristem L2 A cell layer directly beneath a meristem L1 layer in a shoot apical meristem which gives rise to subepidermal tissue. meristema L2 (Spanish); 分裂組織 L2 (Japanese) PO:0006305 L3 OBSOLETE. The innermost layer of the tunica. L3 (Japanese); L3 (Spanish) PO:0009022 meristem L3 A multicellular layer beneath a meristem L2 layer in a shoot apical meristem which gives rise to internal tissues of leaf and stem. meristema L3 (Spanish); 分裂組織 L3 (Japanese) PO:0006306 obsolete shoot procambium OBSOLETE. A derivative of the apical meristem which undergoes differentiation to form the primary vascular tissue of a shoot. procambium del epiblasto (epiblastema) (Spanish) PO:0025276 shoot procambium A portion of procambium tissue that is part of a shoot system. シュート前形成層 (Japanese); procambio del epiblasto (Spanish) PO:0006307 root procambium A portion of procambium tissue that undergoes differentiation to form the primary vascular tissue of a root. procambium de la raíz (Spanish); 根前形成層 (Japanese) PO:0006308 root lateral meristem A lateral meristem (PO:0020145) that is part of a root (PO:0009005). meristema lateral de la raíz (Spanish); root lateral growth meristem; 根側部分裂組織 (Japanese) PO:0006309 tassel spikelet Ultimate inflorescence branch of the maize tassel. 雄穂(花)の小穂 (Japanese); penacho (borla) de la espiguilla (Spanish) PO:0006310 tassel floret A spikelet floret that is part of a tassel spikelet. florete del penacho (borla) (Spanish); 雄穂小花 (Japanese) PO:0006311 tassel sessile spikelet Ultimate inflorescence branch of the maize tassel without a pedicel, developing from the spikelet pair meristem. 雄穂(花)の無柄小穂 (Japanese); penacho (borla) sésil del florete (Spanish) PO:0006312 tassel pedicellate spikelet Ultimate inflorescence branch of the maize tassel with a pedicel, developing from the spikelet pair meristem. 雄穂(花)の有柄小穂 (Japanese); penacho (borla) pedicelada del florete (Spanish) PO:0006313 lower floret of pedicellate spikelet of tassel A tassel floret that is the lower of the two florets of a pedicellate spikelet of a tassel inflorescence. 雄穂(花)の有柄小穂の下位小花 (Japanese); florete inferior de la espiguilla pedicelada (Spanish) PO:0006314 upper floret of pedicellate spikelet of tassel A tassel floret that is one of the two florets placed above the lower floret on a pedicellate spikelet rachilla of a tassel inflorescence. 雄穂(花)の有柄小穂の上位小花 (Japanese); florete superior de la espiguilla pedicelada (Spanish) PO:0006315 lower floret of sessile spikelet of tassel A tassel floret that is the lower of the two florets of a sessile spikelet of a tassel inflorescence. 雄穂(花)の無柄小穂の下位小花 (Japanese); florete inferior de la espiguilla sésil (Spanish) PO:0006316 upper floret of sessile spikelet of tassel A tassel floret that is one of the two florets placed above the lower floret on a sessile spikelet rachilla of a tassel inflorescence. 雄穂(花)の無柄小穂の上位小花 (Japanese); florete superior de la espiguilla sésil (Spanish) PO:0006319 spikelet pedicel Inflorescence branch that terminates in a spikelet. pedicelo de la espiguilla (Spanish); 小穂小花柄 (Japanese) PO:0006320 ear spikelet Ultimate inflorescence branch of the maize ear. 雌穂(花)小穂 (Japanese); oreja de la espiguilla (Spanish) PO:0006321 primary inflorescence branch An inflorescence branch (PO:0009081) arising from a first order inflorescence axis (PO:0025104). 第一(主)花序分枝 (Japanese); first order paraclade; rama de la inflorescencia principal (Spanish); second order inflorescence axis PO:0006322 second order inflorescence branch An inflorescence branch (PO:0009081) arising from a primary inflorescence branch (PO:0006321). 第二花序分枝 (Japanese); rama de segundo orden de la inflorescencia (Spanish); second order paraclade; secondary inflorescence branch; third order inflorescence axis PO:0006323 tassel inflorescence branch An inflorescence branch (PO:0009081) arising from an axillary bud (PO:0004709) on a first order inflorescence axis (PO:0025104) or from a higher order inflorescence branch that is part of a tassel inflorescence (PO:0020126). 雄穂枝 (Japanese); rama del penacho (borla) (Spanish) PO:0006324 central spike of tassel inflorescence A first order inflorescence axis (PO:0025104) that is the central axis of a tassel inflorescence (PO:0020126). espiga central del penacho (borla) de la inflorescencia (Spanish); 雄穂(花)中央の穂 (Japanese); tassel rachis PO:0006325 inflorescence node A shoot node that is part of an inflorescence axis and where a spikelet, flower, floret or inflorescence branch is attached. 花序節 (Japanese); nodo de la inflorescencia (Spanish) PO:0006326 inflorescence internode A shoot internode that is part of an inflorescence axis. 花序節間 (Japanese); internodo de la inflorescencia (Spanish) PO:0006327 spikelet meristem An inflorescence apical meristem that gives rise to the two or more florets of a grass inflorescence. meristema de la espiguilla (Spanish); 小穂分裂組織 (Japanese) PO:0006328 spikelet pair meristem The meristem that produces two spikelet meristems, each of which produces two floral meristems. par de meristemas de la espiguilla (Spanish); 小穂対分裂組織 (Japanese) PO:0006330 gynophore A shoot axis that is an elongation of the floral axis that supports the carpels. carpophore; 花被間柱、子房柄、雌蕊柄 (Japanese); flower columella; flower columellae; flower columellas; ginóforo (Spanish); hypogynia; hypogynium PO:0006331 seed raphe A cardinal part of multi-tissue plant structure (PO:0025498) that is a ridge on a seed (PO:0009010) that develops from a raphe (PO:0020027). 種子背線、縫線 (Japanese); rafe de la semilla (Spanish) PO:0006332 seed funicle A cardinal part of multi-tissue plant structure (PO:0025498) that is attached to a seed (PO:0009010) and is the remnants of a funicle (PO:0020006). 種子種柄 (Japanese); funículo de la semilla (Spanish) PO:0006333 seed chalaza A remnant of the ovular chalaza that is part of the seed. calaza de la semilla (Spanish); 種子 カラザ (Japanese); portion of seed chalaza PO:0006334 seed micropyle A plant anatomical space that is enclosed by and forms an opening in a seed coat at the apex of a seed and is the remnant of a micropyle. 種子珠孔 (Japanese); micrópila de la semilla (Spanish) PO:0006336 seed obturator An outgrowth of the seed funicle, that forms a bridge between the seed micropyle and other tissues. It is also a remnant form of the obturator found in the ovular funicle. 種子閉塞組織 (Japanese); obturador de la semilla (Spanish); portion of seed obturator tissue PO:0006338 embryo leaf A vascular leaf that is part of a plant embryo and is one of the first few leaves to develop from the embryonic shoot apical meristem. embryonic leaf; hoja embriónica (Spanish); 初期の葉、胚葉 (Japanese) PO:0006339 juvenile vascular leaf A vascular leaf that is distinct from adult leaves, being characterized by particular anatomical traits namely, wax and trichome distribution, presence or absence of epidermal cell types, cell wall shape and biochemistry. 維管束系幼葉 (Japanese); hoja juvenil (Spanish) PO:0006340 adult vascular leaf A vascular leaf characterized by particular anatomical traits namely, wax and trichome distribution, presence or absence of epidermal cell types, cell wall shape and biochemistry. 維管束系の成葉 (Japanese); hoja adulta (Spanish) PO:0006341 primary shoot system A shoot system (PO:0009006) that develops from an embryo shoot apical meristem (PO:0006362). main stalk; sistema axilar primario (Spanish); 一次分げつ系 (Japanese) PO:0006342 infructescence A reproductive shoot system that develops from an inflorescence and has as parts all of the shoot axes distal to the most distal foliage leaf of a shoot axis and all of the fruits borne by those axes. banana bunch; fruit bunch; infructescencia (Spanish); 果序 (Japanese) PO:0006343 axillary shoot system A shoot-borne shoot system (PO:0004545) that develops from an axillary bud (PO:0004709). axillary branch; 腋苗条系 (Japanese); Musa sucker; sistema axilar del epiblasto (epiblastema) (Spanish) PO:0006344 shoot lateral meristem A lateral meristem (PO:0020145) that is part of a shoot axis (PO:0025029). 茎側分裂組織 (Japanese); meristema lateral del epiblasto (epiblastema) (Spanish); shoot lateral growth meristem PO:0006345 pollen tube OBSOLETE. A tubular cell extension formed by the germinating pollen grain; carries the male gametes into the ovule. 花粉管 (Japanese); tubo polínico (Spanish) PO:0006346 leaf intercalary meristem An intercalary meristem (PO:0006073) that is part of a leaf (PO:0006346) and is intercalated between two portions of non-meristematic tissue between a leaf apex (PO:0020137) and a leaf base (PO:0020040). 葉 介在 分裂組織 (Japanese); meristema intercalar de la hoja (Spanish) PO:0006347 stem intercalary meristem An intercalary meristem (PO:0006073) that is part of a stem internode (PO:0020142) and is intercalated between two portions of non-meristematic tissue. 茎介在分裂組織 (Japanese); meristema intercalar del tallo (Spanish) PO:0006348 ear pedicellate spikelet Ultimate pedicellate inflorescence branch of the maize ear that develops from the spikelet pair meristem. espiga pedicelada de la espiguilla (Spanish); 雌穂(花)の有柄小穂 (Japanese) PO:0006349 ear sessile spikelet Ultimate sessile inflorescence branch of the maize ear that develops from the spikelet pair meristem. espiga sésil de la espiguilla (Spanish); 雌穂の無柄小穂 (Japanese) PO:0006350 upper floret of pedicellate spikelet of ear An ear floret that is the upper of the two florets of a pedicellate spikelet rachilla of an ear inflorescence. 雌穂(花)の有柄小穂の上位小花 (Japanese); florete superior de la espiguilla pedicelada de la espiga (Spanish) PO:0006351 lower floret of sessile spikelet of ear An ear floret that is the lower of the two florets on a sessile spikelet of an ear inflorescence. florete inferior de la espiguilla pedicelada de la espiga (Spanish); 雌穂(花)の無柄小穂の下位小花 (Japanese) PO:0006352 upper floret of sessile spikelet of ear An ear floret that is one of the two florets placed above the lower floret on a sessile spikelet rachilla of an ear inflorescence. 雌穂(花)の無柄小穂の上位小花 (Japanese); florete superior de la espiguilla sésil de la espiga (Spanish) PO:0006353 lower floret of pedicellate spikelet of ear An ear floret that is the lower of the two florets of a pedicellate spikelet rachilla of an ear inflorescence. florete inferior de la espiguilla sésil de la espiga (Spanish); 雌穂(花)の有柄小穂の下位小花 (Japanese) PO:0006354 ear floret A spikelet floret that is part of an ear spikelet. 雌穂小花 (Japanese); florete de la espiga (Spanish) PO:0006358 tassel spikelet pair meristem The meristem present on short tassel branch that produces two spikelet meristems, each of which produces two floral meristems in a maize tassel. 雄穂(花)の小穂対分裂組織 (Japanese); par de meristemas del penacho (borla) de la espiguilla (Spanish) PO:0006360 ear spikelet pair meristem An ear inflorescence branch meristem (PO:0009110) that produces two ear spikelet meristems (PO:0006378), each of which produces two flower meristems (PO:0000229) in an ear inflorescence (PO:0020136). par de meristemas de la espiga de la espiguilla (Spanish); 雌穂(花)小穂対分裂組織 (Japanese) PO:0006362 embryo shoot apical meristem A vegetative shoot apical meristem at the apex of the embryonic axis. embryonic shoot apical meristem; 胚性シュート頂端分裂組織 (Japanese); meristema embriónico apical del epiblasto (epiblastema) (Spanish) PO:0006367 glume of ear spikelet A glume that is part of an ear spikelet. 雌穂小穂の苞頴 (Japanese); gluma de la espiga de la espiguilla (Spanish) PO:0006368 glume of tassel spikelet A glume that is part of a tassel spikelet. 雄穂小穂の苞頴 (Japanese); gluma del penacho (borla) de la espiguilla (Spanish) PO:0006369 lower glume of ear spikelet A lower glume that is part of an ear spikelet. 雌穂(花)小穂の第一苞頴(first glume) (Japanese); gluma inferior la espiga de la espiguilla (Spanish) PO:0006370 upper glume of tassel spikelet An upper glume that is part of a tassel spikelet. gluma superior del penacho (borla) de la espiguilla (Spanish); 雄穂(花)小穂の第二苞頴(second glume) (Japanese) PO:0006371 upper glume of ear spikelet An upper glume that is part of an ear spikelet. gluma superior de la espiga de la espiguilla (Spanish); 雌穂(花)小穂の第二苞頴(second glume) (Japanese) PO:0006372 lower glume of tassel spikelet A lower glume that is part of a tassel spikelet. 雄穂(花)小穂の第一苞頴(first glume) (Japanese); gluma inferior del penacho (borla) de la espiguilla (Spanish) PO:0006375 ear apical meristem An inflorescence apical meristem that gives rise to the maize ear. meristema apical de la espiga (Spanish); 雌穂頂分裂組織 (Japanese) PO:0006376 tassel apical meristem An inflorescence apical meristem that gives rise to the maize tassel. meristema apical del penacho (borla) (Spanish); 雄穂頂分裂組織 (Japanese) PO:0006377 tassel spikelet meristem Apical meristem that gives rise to the upper and lower florets of the maize tassel spikelets. meristema del penacho (borla) de la espiguilla (Spanish); 雄穂(花)の小穂分裂組織 (Japanese) PO:0006378 ear spikelet meristem Apical meristem that gives rise to the upper and lower florets of the maize ear spikelet. meristema de la espiga de la espiguilla (Spanish); 雌穂(花)小穂分裂組織 (Japanese) PO:0006379 tassel spikelet rachilla The axis of the tassel spikelet, above the glumes. raquilla del penacho (borla) de la espiguilla (Spanish); 雄穂(花)の小穂小軸 (Japanese) PO:0006380 ear spikelet rachilla The axis of the ear spikelet, above the glumes. 雌穂(花)小穂小軸 (Japanese); raquilla de la espiga de la espiguilla (Spanish) PO:0006385 lower glume of pedicellate spikelet of tassel A lower glume of tassel spikelet that is part of a tassel pedicellate spikelet. gluma inferior de la espiguilla pedicelada del penacho (borla) (Spanish); 雄穂(花)の有柄小穂の第一苞頴(first glume) (Japanese) PO:0006386 lower glume of sessile spikelet of tassel A lower glume of tassel spikelet that is part of a tassel sessile spikelet. gluma inferior de la espiguilla sésil del penacho (borla) (Spanish); 雄穂(花)の無柄小穂の第一苞頴(first glume) (Japanese) PO:0006387 upper glume of sessile spikelet of tassel An upper glume of tassel spikelet that is part of a tassel sessile spikelet. 雄穂(花)の無柄小穂の第二苞頴(second glume) (Japanese); gluma superior de la espiguilla sésil del penacho (borla) (Spanish) PO:0006388 upper glume of pedicellate spikelet of tassel An upper glume of tassel spikelet that is part of a tassel pedicellate spikelet. gluma superior de la espiguilla pedicelada del penacho (borla) (Spanish); 雄穂(花)の有柄小穂の第二苞頴(second glume) (Japanese) PO:0006389 rachilla of sessile spikelet of tassel The axis of the tassel sessile spikelet, above the glumes. raquilla de la espiguilla sésil del penacho (borla) (Spanish); 雄穂(花)の無柄小穂の花序軸 (Japanese) PO:0006390 rachilla of pedicellate spikelet of tassel The axis of the tassel pedicellate spikelet, above the glumes. 雄穂(花)の有柄小穂の花序軸 (Japanese); raquilla de la espiguilla pedicelada del penacho (borla) (Spanish) PO:0006415 pedicel of ear spikelet This is the ultimate branch of the pedicellate ear spikelet. pedicelo de la espiguilla de la espiga (Spanish); 雌穂(花)小穂の小花柄 (Japanese) PO:0006416 pedicel of tassel spikelet This is the ultimate branch of the pedicellate tassel spikelet. 雄穂(花)小穂の小花柄 (Japanese); pedicelo de la espiguilla del penacho (borla) (Spanish) PO:0006417 tassel peduncle A peduncle of a maize tassel, below the lowest tassel node. 雄穂花梗 (Japanese); pedúnculo del penacho (borla) (Spanish) PO:0006418 ear peduncle A peduncle of a maize ear, below the lowest ear node. 雌穂花柄 (Japanese); pedúnculo de la espiga (Spanish); shank; Zea lateral branch PO:0006435 rachilla of pedicellate spikelet of ear The axis of the ear pedicellate spikelet, above the glumes. 雌穂(花)の有柄小穂の小軸 (Japanese); raquilla de la espiguilla pedicelada de la espiga (Spanish) PO:0006436 rachilla of sessile spikelet of ear The axis of the ear sessile spikelet, above the glumes. 雌穂(花)の無柄小穂の小軸 (Japanese); raquilla de la espiguilla sésil de la espiga (Spanish) PO:0006437 lower glume of pedicellate spikelet of ear A lower glume of ear spikelet that is part of an ear pedicellate spikelet. 雌穂(花)の有柄小穂の第一苞頴(first glume) (Japanese); gluma inferior de la espiguilla pedicelada de la espiga (Spanish) PO:0006438 lower glume of sessile spikelet of ear A lower glume of ear spikelet that is part of an ear sessile spikelet. 雌穂(花)の無柄小穂の第一苞頴(first glume) (Japanese); gluma inferior de la espiguilla sésil de la espiga (Spanish) PO:0006439 upper glume of pedicellate spikelet of ear An upper glume of ear spikelet that is part of an ear pedicellate spikelet. 雌穂(花)の有柄小穂の第二苞頴(second glume) (Japanese); gluma superior de la espiguilla pedicelada de la espiga (Spanish) PO:0006440 upper glume of sessile spikelet of ear An upper glume of ear spikelet that is part of an ear sessile spikelet. 雌穂(花)の無柄小穂の第二苞頴(second glume) (Japanese); gluma superior de la espiguilla sésil de la espiga (Spanish) PO:0006501 leaf abscission zone Zone at base of the leaf that contains an abscission (or separation) layer and a protective layer, both involved in the abscission of the leaf. 葉離層帯 (Japanese); zona de absición de la hoja (Spanish) PO:0006502 flower abscission zone Zone at base of the flower that contains an abscission (or separation) layer and a protective layer, both involved in the abscission of the flower and its parts. 落花帯(層) (Japanese); zona de absición de la flor (Spanish) PO:0006503 fruit abscission zone Zone at base of the fruit that contains an abscission (or separation) layer and a protective layer, both involved in the abscission of the fruit. 落果実 (fruit shedding zone) (Japanese); zona de absición del fruto (Spanish) PO:0006504 leaf trichome A phyllome trichome that is part of a leaf epidermis. 葉毛(毛茸、糸状体) (Japanese); phyllid trichome; tricoma de hoja (Spanish) PO:0006505 central spike of ear inflorescence A first order inflorescence axis (PO:0025104) that is the central axis of an ear inflorescence (PO:0020136). ear rachis; espiga central de la espiga de la inflorescencia (Spanish); 雌穂(花)中央の穂 (Japanese); Zea cob PO:0008001 fruit distal end A cardinal part of multi-tissue plant structure (PO:0025498) that is the end of a fruit (PO:0009001) distal from a fruit pedicel (PO:0004536). blossom end; porción distal del fruto (Spanish); 果実 遠位端 (Japanese) PO:0008002 fruit proximal end A cardinal part of multi-tissue plant structure (PO:0025498) that is the end of a fruit (PO:0009001) proximal to a fruit pedicel (PO:0004536). fruit shoulders; porción proximal del fruto (Spanish); 果実 近位端 (Japanese) PO:0008003 fruit vascular system A vascular system that includes the totality of the portions of vascular tissue in their specific arrangement in a fruit. sistema vascular del fruto (Spanish); 果実維管 系 (Japanese) PO:0008005 fruit nucellus A nucellus that is part of a fruit. nucelo del fruto (Spanish); 果実珠心 (Japanese) PO:0008006 nucellar epidermis A portion of plant tissue that is the morphologically distinct outer layer of the nucellus. 珠心 表皮 (Japanese); epidermis nucelar (Spanish); portion of nucellar epidermis PO:0008007 nucellar projection A portion of plant tissue that is the morphologically distinct portion of the nucellus overlying the vascular strands in the grass caryopsis. ; 珠心突起 (Japanese); proyección nucelar (Spanish) PO:0008008 modified aleurone A morphologically distinct aleurone layer located adjacent to the nucellar projection. aleurona modificada (Spanish); 特殊化した糊粉、修飾アリューロン (Japanese) PO:0008009 abaxial nucellar projection A portion of plant tissue that is the abaxial/lower portion of the nucellus overlying the vascular strands in the grass caryopsis. 背軸側珠心突起 (Japanese); proyección nucelar abaxial (Spanish) PO:0008010 adaxial nucellar projection A portion of plant tissue that is the adaxial/upper portion of the nucellus overlying the vascular strands in the grass caryopsis. proyección nucelar adaxial (Spanish); 向軸側珠心突起 (Japanese) PO:0008011 embryo vascular system Vascular system of embryo. 胚維管系 (Japanese); sistema vascular del embrión (Spanish) PO:0008012 stigma vascular system A vascular system that includes the totality of the portions of vascular tissue in their specific arrangement in a stigma. sistema vascular del estigma (Spanish); stigma vein; 柱頭維管系 (Japanese) PO:0008013 anther vascular system A phyllome vascular system that includes the totality of the portions of vascular tissue in their specific arrangement in a anther. 葯維管系 (Japanese); sistema vascular de la antera (Spanish) PO:0008014 filament vascular system A vascular system that includes the totality of the portions of vascular tissue in their specific arrangement in a filament. 花糸維管 系 (Japanese); filament vein; sistema vascular del filamento (Spanish) PO:0008015 hypocotyl vascular system Vascular system of the hypocotyl. 胚軸維管系 (Japanese); sistema vascular del hipocótile (Spanish) PO:0008016 vegetative shoot apical meristem A shoot apical meristem that gives rise to the apical growth of vegetative tissues and organs. meristema vegetativo apical del epiblasto (epiblastema) (Spanish); vegetative meristem; 栄養シュート頂端分裂組織 (Japanese) PO:0008017 leaf sheath pulvinus A more or less abrupt swelling, especially at the apex or base of a leaf sheath. 葉鞘葉枕 (Japanese); vaina del pulvínulo de la hoja (Spanish) PO:0008018 transition vascular leaf A vascular leaf that is part of an heteroblastic series, and is characterized by anatomical features that are intermediate between juvenile and adult leaves. 維管束植物の幼葉と成熟葉の移行期の葉 (Japanese); hoja de transición (Spanish) PO:0008019 leaf lamina base The region of the leaf lamina proximal to the stem and usually connected to it by means of a petiole. base de la lámina de la hoja (Spanish); 葉身基部 (Japanese) PO:0008020 central zone of the leaf lamina Region that includes the widest or majority portion of leaf lamina and that does not include leaf apex and leaf lamina base. 葉身(葉片)の中央帯 (Japanese); zona central de la lámina de la hoja (Spanish) PO:0008021 tertiary leaf vein A leaf lamina vein (PO:0020138) arising from a secondary leaf vein (PO:0020140). cross-vein; third order leaf vein; veinlet; vena terciaria (Spanish); 三次葉脈 (Japanese) PO:0008022 quaternary leaf vein A leaf lamina vein (PO:0020138) arising from a tertiary leaf vein (PO:0008021). cross-vein; fourth order leaf vein; veinlet; vena cuaternaria (Spanish); 四次葉脈 (Japanese) PO:0008023 higher order leaf vein A leaf lamina vein (PO:0020138) arising from a quaternary (PO:0008022) or other higher order leaf vein. cross-vein; 高次葉脈 (Japanese); fifth and higher order leaf vein; veinlet; vena de alto orden (Spanish) PO:0008024 petiole proximal end The region of the petiole proximal to its stem attachment site. extremo proximal del pecíolo (Spanish); 葉柄 近位端 (Japanese); petiole base PO:0008025 central zone of the petiole Regions of the petiole that does not include petiole distal end and petiole proximal end. 葉柄の中央帯 (Japanese); zona central del pecíolo (Spanish) PO:0008026 petiole distal end The region of the petiole distal to its stem attachment site or proximal to the leaf lamina. extremo distal del pecíolo (Spanish); 葉柄遠位端 (Japanese); petiole apex PO:0008027 petiole adaxial epidermis A portion of petiole epidermis that covers the adaxial/upper surface of a petiole. epidermis adaxial del pecíolo (Spanish); 葉柄向軸側 表皮 (Japanese) PO:0008028 reproductive shoot apical meristem A shoot apical meristem that gives rise to the apical growth of reproductive tissues and organs. 生殖シュート頂端 分裂組織 (Japanese); meristema apical reproductivo del epiblasto (epiblastema) (Spanish) PO:0008029 petiole abaxial epidermis A portion of petiole epidermis that covers the abaxial/lower surface of a petiole. epidermis abaxial del pecíolo (Spanish); 葉柄背軸側 表皮 (Japanese) PO:0008030 trichome cell A plant cell (PO:0009002) that is part of a multicellular trichome (PO:0000282). célula del tricoma (Spanish); 毛(毛茸、糸状体)細胞 (Japanese) PO:0008031 trichome branch OBSOLETE. The branch on a trichome. rama del tricoma (Spanish); 毛上の分枝 (Japanese) PO:0025163 multicellular trichome branch cell A trichome cell (PO:0008030) that forms a branch of a multicellular trichome (PO:0025162). célula ramificada de tricoma multicelular (Spanish); 多細胞毛(毛茸、糸状体)分枝細胞 (Japanese) PO:0008032 stomatal pore A plant anatomical space that forms an opening in an epidermis, flanked by two guard cells. poro estomático (Spanish); stoma; stomata; stomatal aperture; 気孔開口部 (Japanese) PO:0008034 leaf whorl OBSOLETE. A cluster of leaves in crowded circles or spirals arising basally from a crown. 葉輪生 (Japanese); hoja en verticilo (Spanish); rosette PO:0025022 collective leaf structure A collective phyllome structure (PO:0025023) composed of two or more leaves (PO:0025034). cycle; estructura colectiva de hoja (Spanish); 葉が集まった構造 (Japanese); leaf series; leaf whorl; rosette; verticil PO:0008035 plerome A meristem forming the core of the axis composed of the primary vascular tissues and associated ground tissue, such as pith and interfascicular regions. pleroma (Spanish); 原中心柱 (Japanese) PO:0008036 periblem A portion of meristem tissue that forms the cortex. periblema (Spanish); 原皮層 (Japanese) PO:0008037 seedling OBSOLETE. A young plant derived from a newly germinated seed. 芽生え、実生 (Japanese); vástago (Spanish) PO:0008038 adventitious root primordium OBSOLETE: A root primordium that will develop into an adventitious root. primordio de la raíz adventicia (Spanish); 不定根根原基(可視的) (Japanese) PO:0025479 basal root primordium A root primordium (PO:0005029) that is committed to the development of a basal root (PO:0025002). adventitious root primordium; portion of basal root primordium tissue; primordio basal de la raíz (Spanish); 下胚軸由来の根の原基(可視的)、不定根原基(可視的) (Japanese) PO:0025480 shoot-borne root primordium A root primordium (PO:0005029) that is committed to the development of a shoot-borne root (PO:0000042). adventitious root primordium; シュート細胞由来の根原基(可視的) (Japanese); portion of shoot-borne root primordium tissue; primordio del eje del epiblasto de la raíz (Spanish) PO:0008039 stem base The basal part of stem. base del tallo (Spanish); 茎基部 (Japanese); gametophore stem base PO:0008040 lodicule primordium A phyllome primordium (PO:0025128)that develops from a lodicule anlagen (PO:0025483) and is committed to the development of a lodicule (PO:0009036). 鱗被原基(可視的) (Japanese); lodicule primordia; portion of lodicule primordium tissue; primordio del lodículo (Spanish) PO:0008041 stem internode elongation zone A shoot internode elongation zone that is part of a stem internode. 茎節間伸長帯(層) (Japanese); zona de elongación del internodo del tallo (Spanish) PO:0008042 stem internode differentiation zone A shoot internode differentiation zone that is part of a stem internode. 茎節間分化帯(層) (Japanese); zona de diferenciación del internodo del tallo (Spanish) PO:0008043 floral epidermis OBSOLETE. A portion of shoot epidermis that is part of the floral organs. epidermis floral (Spanish); 花表皮 (Japanese) PO:0025096 carpel epidermis A portion of phyllome epidermis that is part of a carpel. epidermis del carpelo (Spanish); 心皮 表皮 (Japanese) PO:0025097 stamen epidermis A portion of phyllome epidermis that is part of a stamen. epidermis del estambre (Spanish); 雄蕊表皮 (Japanese) PO:0025184 tepal epidermis A portion of phyllome epidermis that is part of a tepal (PO:0009033). epidermis del tépalo (Spanish); 花被片表皮 (Japanese) PO:0008044 floral stomatal complex OBSOLETE. An opening pore on the epidermis of floral organs bordered by two guard cells and serving in gas exchange. complejo estomático floral (Spanish); 花気孔装置 (Japanese) PO:0025217 carpel stomatal complex A phyllome stomatal complex that is part of a carpel. carpel epidermal stomatal complex; carpel epidermis stomatal complex; complejo estomático del carpelo (Spanish); 心皮気孔装置 (Japanese) PO:0025218 petal stomatal complex A phyllome stomatal complex (PO:0025215) that is part of a petal (PO:0009032). complejo estomático del pétalo (Spanish); 花弁気孔装置 (Japanese); petal epidermal stomatal complex; petal epidermis stomatal complex PO:0025219 sepal stomatal complex A phyllome stomatal complex that is part of a sepal. がく片気孔装置 (Japanese); complejo estomático del sépalo (Spanish); sepal epidermal stomatal complex; sepal epidermis stomatal complex PO:0025220 stamen stomatal complex A phyllome stomatal complex that is part of a stamen. complejo estomático del estambre (Spanish); 雄蕊気孔装置 (Japanese); stamen epidermal stomatal complex; stamen epidermis stomatal complex PO:0025221 tepal stomatal complex A phyllome stomatal complex that is part of a tepal (PO:0009033). complejo estomático del tépalo (Spanish); 花被片気孔装置 (Japanese); tepal epidermal stomatal complex; tepal epidermis stomatal complex PO:0008045 floral guard cell OBSOLETE. One of a pair of cells flanking the stomatal pore of floral organs. célula guardiana floral (Spanish); 花孔辺細胞 (Japanese) PO:0008046 floral stomatal pore OBSOLETE. A stomatal pore that is part of a floral stomatal complex. 花気孔開口部 (Japanese); poro estomático floral (Spanish) PO:0008047 scutellar vascular system A vascular system in a scutellum. 胚盤維管系 (Japanese); scutellum vascular system; sistema vascular de escutelo (Spanish) PO:0008048 scutellar epithelium A continuous layer of cylindrical cells covering the endosperm side of the scutellum. Thought to act as a secretory and absorptive organ. epitelio escutelar (Spanish); 胚盤上皮細胞 (Japanese); portion of scutellar epithelium; scutellum epithelium PO:0009000 pulvinus A cardinal organ part (PO:0025001) at the apex or base of a petiole, petiolule, leaf sheath, or branch that is differentiated from the remaining organ parts by its enlarged cross section. 葉枕 (Japanese); pulvínulo (Spanish); pulvini PO:0009001 fruit A multi-tissue plant structure (PO:0025496) that develops from a gynoecium (PO:0009062) and may have as parts one or more seeds (PO:0009010). accessory fruit; achene; acorn; aggregate fruit; akene; anthocarp; berry; capsule; caryopsides; caryopsis; circumcissile capsule; citrus fruit; coenocarp; cypsela; diaspore; diclesia; diclesium; diplotegia; diplotegium; drupe; folliceta; follicetum; follicle; fruit; fruto (Spanish); glandes; glans; grain; hesperidia; hesperidium; hip; kernel; legume; loculicidal capsule; loment; lomentum; multiple fruit; nut; nutlet; pepo; pod; pome; poricidal capsule; pyxides; pyxis; samara; schizocarp; septicidal capsule; septifragal capsule; silicle; silicula; siliqua; silique; stone fruit; syconia; syconium; syncarp; utricle; 果実 (Japanese) PO:0009002 plant cell A cell which is a plant structure (PO:0009011). célula vegetal (Spanish); cell; 植物細胞 (Japanese) PO:0009003 sporophyte OBSOLETE. A plant structure that is a product of fertilization and produces spores through meiosis. esporofito (Spanish); 胞子体 (Japanese) PO:0009004 gametophyte OBSOLETE. A plant structure that arises through meiosis and may produce gametes by mitosis. 配偶体 (Japanese); gametofito (Spanish) PO:0025279 megagametophyte A whole plant in the gametophyte development stage (PO:0028003) that produces only plant egg cells (PO:0020094). female gametophyte; megagametofito (Spanish); 大配偶体 (Japanese) PO:0025280 microgametophyte A whole plant (PO:0000003) in the gametophyte development stage (PO:0028003) that produces plant sperm cells (PO:0000084). male gametophyte; microgametofito (Spanish); 小配偶体 (Japanese) PO:0009005 root A plant axis (PO:0025004) that is part of a root system (PO:0025025). aerial root; climbing root; raíz (Spanish); radices; radix; 根 (Japanese) PO:0009006 shoot system A collective plant organ structure (PO:0025007) that produces shoot-borne portions of meristem tissue (PO:0009013) and the plant structures (PO:0009011) that arise from them. シュート系、苗条系 (Japanese); Poaceae crown; shoot; sistema de epiblasto (epiblastema) (Spanish); thalli; thallus; tree crown PO:0009007 portion of plant tissue A plant structure (PO:0009011) that consists predominantly of similarly specialized plant cells (PO:0009002) of one or more types. plant tissue; porción de un tejido vegetal (Spanish); portion of tissue; tissue; 植物組織の一部 (Japanese) PO:0009008 plant organ A multi-tissue plant structure (PO:0025496) that is a functional unit, is a proper part of a whole plant (PO:0000003), and includes portions of plant tissue (PO:0009007) of at least two different types that derive from a common developmental path. órgano vegetal (Spanish); compound plant organ; organ; simple plant organ; 植物 器官 (Japanese) PO:0009009 plant embryo A whole plant (PO:0000003) that participates in the plant embryo stage (PO:0007631). embrión (Spanish); embryo; germ; 植物胚 (Japanese) PO:0009010 seed A multi-tissue plant structure (PO:0025496) that develops from a plant ovule (PO:0020003) and has as parts a plant embryo (PO:0009009) enclosed in a seed coat (PO:0009088). 種子 (Japanese); diaspore; pyrene; semilla (Spanish) PO:0009011 plant structure An anatomical structure that is or was part of a plant, or was derived from a part of a plant. estructura vegetal (Spanish); 植物 構造 (Japanese) PO:0009013 portion of meristem tissue A portion of plant tissue in which cells have retained their embryonic characteristics, or have reverted to them secondarily, and that divide to produce new cells that can undergo differentiation to form mature tissues, i.e. they have a capacity for morphogenesis and growth. meristem; meristema (Spanish); meristematic tissue; 分裂組織 (Japanese) PO:0009014 dermal tissue OBSOLETE. A portion of plant tissue that covers the surface of the plant. 表皮組織 (Japanese); tejido dérmico (Spanish) PO:0009015 portion of vascular tissue A portion of plant tissue (PO:0009007) that has as part one or more tracheary elements (PO:0000290) or sieve elements (PO:0025406). 維管束細胞の一部 (Japanese); porción de tejido vascular (Spanish); vascular system; vascular tissue PO:0009016 ground tissue OBSOLETE. Tissues other than the vascular tissues, epidermis and the periderm. tejido fundamental (Spanish); 基本組織 (Japanese) PO:0025059 portion of ground tissue Any portion of plant tissue (PO:0009007) other than epidermis (PO:0005679) or vascular tissue (PO:0009015). fundamental tissue; porción del tejido fundamental (Spanish); 基本組織の一部 (Japanese) PO:0009017 inflorescence branch pulvinus A pulvinus (PO:0009000) of an inflorescence branch (PO:0009081). 花序枝葉枕 (Japanese); pulvínulo ramificado de una inflorescencia (Spanish) PO:0009018 basal endosperm transfer cell A transfer cell that is part of a basal endosperm transfer layer. célula de transferencia del endosperma basal (Spanish); 基底胚乳転送細胞 (Japanese) PO:0009019 obsolete basal endosperm transfer layer OBSOLETE. A cell layer found in basal endosperm transfer cell. capa de transferencia del endosperma basal obsoleto (Spanish) PO:0025196 basal endosperm transfer layer A portion of plant tissue that is part of an endosperm and is composed of basal endosperm transfer cells. capa de transferencia del endosperma basal (Spanish); 基底胚乳転送層 (Japanese) PO:0009023 leaf axil An axil that is the space between a shoot axis and a leaf that branches from the shoot axis. 葉軸 (Japanese); hoja axilar (Spanish) PO:0009025 vascular leaf A leaf (PO:0025034) in a vascular plant. ascidia; ascidium; crozier; 維管束のある葉, または維管束植物の葉 (Japanese); fiddlehead; foliage leaf; frond; hoja vascular (Spanish); leaf, vascular; macrophyll; megaphyll; needle-like leaf; pitcher; pitcher blade; pitcher-blade; scale-like leaf; sterile frond; trophophyll; vascular leaves PO:0009026 sporophyll A leaf-like organ on which one or more sporangia are borne. esporofilo (Spanish); 胞子葉 (Japanese); spore leaf PO:0009027 megasporophyll A structure upon which (or in the axil of which) one or more megasporangia are borne; in flowering plants, a carpel. cone scale; macrosporophyll; megasporofilo (Spanish); ovuliferous scale; 大胞子葉 (Japanese) PO:0009028 microsporophyll A structure on which one or more microsporangia are borne; in flowering plants, the stamen. microsporofilo (Spanish); 小胞子葉 (Japanese) PO:0009029 stamen A microsporophyll bearing one or more microsporangia. estambre (Spanish); 雄蕊 (Japanese); Poaceae stamen; Zea stamen PO:0009030 carpel A megasporophyll, almost always at the center of a flower, its margins more or less fused together or with other carpels to enclose the ovule(s). carpelo (Spanish); pistil; Poaceae carpel; Zea carpel; 心皮 (Japanese) PO:0009031 sepal A phyllome (PO:0006001) that is usually green, and is part of the calyx (PO:0009060). がく片 (Japanese); sépalo (Spanish) PO:0009032 petal A phyllome (PO:0006001) that is part of the corolla (PO:0009059), and is usually colored (not green). 花弁 (Japanese); pétalo (Spanish) PO:0009033 tepal A phyllome (PO:0006001) that is part of a perianth (PO:0009058) where it is not possible to distinguish between the petals (PO:0009032) and sepals (PO:0009031). 花被片 (Japanese); tépalo (Spanish) PO:0009034 flower bract A bract (PO:0009055) that subtends a perianth (PO:0009058) that is part of a flower (PO:0009046). bráctea floral (Spanish); chaff; 花苞(葉) (Japanese); floral bract PO:0009035 nectary A multicellular glandular structure secreting a liquid containing organic substances especially sugars. 蜜腺 (Japanese); nectario (Spanish) PO:0009036 lodicule A phyllome that is part of a grass floret and is one of two or three tiny scales or flaps of tissue outside the stamens. 鱗被 (Japanese); lodículo (Spanish); lodicule of ear floret; lodicule of tassel floret; lodiculus; squamella; squamellae; squamule PO:0009037 lemma A flower bract that is the lower of the two bracts enclosing a spikelet floret. lemma (Spanish); lemma del florete del penacho (borla) o de la espiga (Spanish); lemma of ear floret; lemma of lower floret of pedicellate spikelet of ear; lemma of lower floret of pedicellate spikelet of tassel; lemma of lower floret of sessile spikelet of ear; lemma of lower floret of sessile spikelet of tassel; lemma of tassel floret; lemma of upper floret of pedicellate spikelet of ear; lemma of upper floret of pedicellate spikelet of tassel; lemma of upper floret of sessile spikelet of ear; lemma of upper floret of sessile spikelet of tassel; lemmas; lemmata; 外頴 (Japanese) PO:0009038 palea A flower bract that is the upper/distal of the two bracts enclosing a spikelet floret. pale; palea (Spanish); palea of ear floret; palea of lower floret of pedicellate spikelet of ear; palea of lower floret of pedicellate spikelet of tassel; palea of lower floret of sessile spikelet of ear; palea of lower floret of sessile spikelet of tassel; palea of tassel floret; palea of upper floret of pedicellate spikelet of ear; palea of upper floret of pedicellate spikelet of tassel; palea of upper floret of sessile spikelet of ear; palea of upper floret of sessile spikelet of tassel; paleae; paleas; palet; 内頴 (Japanese) PO:0009039 glume One of a pair of inflorescence bracts that is part of a spikelet and subtends the two florets. 苞頴 (Japanese); gluma (Spanish); rudimentary glume PO:0009040 sterile lemma A flower bract in the position of a lemma, but not enclosing floral organs. empty glume; lemma estéril (Spanish); 不稔外頴 (Japanese) PO:0009041 fertile lemma A lemma that encloses a functional flower, with androecium, gynoecium or both. 稔性外頴 (Japanese); lemma fértil (Spanish) PO:0009042 prophyll A phyllome that is the first organ or one of the first two organs formed at the base of an axillary shoot, often smaller and/or in a distinctively different position from leaves formed subsequently. profilo (Spanish); prophylla; prophylls; prophyllum; 前葉、前出葉 (Japanese) PO:0009043 bracteole A small leaf or leaves borne singly or in pairs on the pedicel, the prophyll(s) of the flower-shoot (pedicel plus flower). bracteola (Spanish); bractlet; 小苞 (Japanese) PO:0009044 perigynium Sac-like bract subtending the pistillate flower, as in Carex. ペリギニウム、果胞、造卵器群やそれから発生した胞子体の周辺の組織が発達し肉厚で筒状となった構造 (Japanese); perigeneo (Spanish); perigynia PO:0009045 involucral bract Equals inflorescence bract of an involucre, as in Asteraceae or Compositeae. bráctea involucral (Spanish); 総苞片 (Japanese); perigynia; perigynium; phyllary PO:0009046 flower A determinate reproductive shoot system that has as part at least one carpel or at least one stamen and does not contain any other determinate shoot system as a part. basal flower; diclinous flower; double flower; 花 (Japanese); female flower; flor (Spanish); floret; hermaphrodite flower; imperfect flower; male flower; monoclinous flower; perfect flower; pistillate flower; staminate flower PO:0009047 stem A shoot axis (PO:0025029) that is the primary axis of a plant. bole; caña (Spanish); cane; caudex; caudices; culm; eje primario (Spanish); 茎 (Japanese); primary axis; primary stem; primocane; scape; stalk; tallo (Spanish); tronco (Spanish); trunk PO:0009049 inflorescence A reproductive shoot system (PO:0025082) that has as parts all of the shoot axes distal to the most distal foliage leaf of a shoot axis and all of the flowers borne by those axes. Must have two or more flowers as parts. ament; anthela; anthelae; Asteraceae floret; bostryches; bostryx; capitula; capitulum; catkin; cincinni; cincinnus; corymb; cyathia; cyathium; cyme; cymule; dichasium; drepanium; 花序 (Japanese); glome; glomerule; head; helicoid cyme; inflorescencia (Spanish); monochasium; panicle; raceme; rhipidia; rhipidium; scorpioid cyme; Sorghum cob; spadices; spadix; spike; thyrse; Triticeae spike; umbel; verticillaster PO:0009051 spikelet A reproductive shoot system that is the ultimate and congested inflorescence branch of the grasses. espiguilla (Spanish); 小穂 (Japanese) PO:0009052 pedicel An inflorescence branch (PO:0009081) that supports an individual flower in an inflorescence (PO:0009049). pedicelo (Spanish); 小花柄 (Japanese) PO:0009053 peduncle A shoot axis that extends from the last foliage leaf on a stem or branch until the next distal node. 花梗(総梗) (Japanese); inflorescence stem; pedúnculo (Spanish) PO:0009054 inflorescence bract A bract (PO:0009055) subtending a branch of the inflorescence (PO:0009049) or borne on the inflorescence axis (PO:0020122) below any branch (PO:0025073) or flower (PO:0009046). bráctea de la inflorescencia (Spanish); corn husk; 花序苞 (Japanese); husk; husk leaf; inflorescence bract of ear; pale; palea; paleae; paleas; palet; spathe; squamella; squamellae; squamule PO:0009055 bract A phyllome that subtends a reproductive structure. bráctea (Spanish); bracteole; bractlet; 苞葉 (Japanese); hypsophyll; scale PO:0009056 flower nectary A multicellular glandular structure found in the flower secreting a liquid containing organic substances especially sugars. 花蜜腺 (Japanese); floral nectary; nectario floral (Spanish) PO:0009057 extrafloral nectary A multicellular glandular structure found in places other than flower secreting a liquid containing organic substances especially sugar. 花外蜜腺 (Japanese); nectario extrafloral (Spanish) PO:0009058 perianth A collective phyllome structure (PO:0025023) that includes as parts the corolla (PO:0009059) and/or the calyx (PO:0009060); or one or more tepals (PO:0009033). adnate perianth; calyptra perianth; connate perianth; 花蓋、花被 (Japanese); perianto (Spanish) PO:0009059 corolla A collective phyllome structure (PO:0025023) that is composed of one or more petals (PO:0009032), comprising the inner whorl of non-reproductive floral organs (PO:0025395) and surrounds the androecium (PO:0009061) and the gynoecium (PO:0009062). corola (Spanish); corollae; corollas; 花冠 (Japanese) PO:0009060 calyx A collective phyllome structure (PO:0025023) that is composed of one or more sepals (PO:0009031), and comprises the outer whorl of non-reproductive floral organs (PO:0025395). がく (Japanese); cálix (Spanish); calyces PO:0009061 androecium A collective phyllome structure (PO:0025023) composed all of the stamens (PO:0009029) in a flower (PO:0009046). androecia; androecio (Spanish); androecium column; androecium of ear floret; androecium of lower floret of pedicellate spikelet of ear; androecium of lower floret of sessile spikelet of ear; androecium of lower floret of sessile spikelet of tassel; androecium of tassel floret; androecium of upper floret of pedicellate spikelet of ear; androecium of upper floret of pedicellate spikelet of tassel; androecium of upper floret of sessile spikelet of ear; androecium of upper floret of sessile spikelet of tassel; 雄蕊群 (Japanese); Poaceae androecium; Zea androecium PO:0009062 gynoecium A collective phyllome structure (PO:0025023) composed all of the carpels (PO:0009030) in a flower (PO:0009046). apocarpous gynoecium; 雌蕊群 (Japanese); ginoecio (Spanish); gynaecium; gynoecia; gynoecium of ear floret; gynoecium of lower floret of pedicellate spikelet of ear; gynoecium of lower floret of pedicellate spikelet of tassel; gynoecium of lower floret of sessile spikelet of ear; gynoecium of lower floret of sessile spikelet of tassel; gynoecium of tassel floret; gynoecium of upper floret of pedicellate spikelet of ear; gynoecium of upper floret of pedicellate spikelet of tassel; gynoecium of upper floret of sessile spikelet of ear; gynoecium of upper floret of sessile spikelet of tassel; pistil; Poaceae gynoecium; syncarpous gynoecium; Zea gynoecium PO:0009063 epicalyx A collective phyllome structure (PO:0025023) composed of two or more phyllomes immediately outside the calyx (PO:0009060). がく状総苞 (Japanese); calyculi; calyculus; epicálix (Spanish); epicalyces PO:0009064 receptacle A cardinal organ part that is the region at the distal end of either a peduncle or a pedicel where the floral appendages (e.g.: sepals, petals, stamens and pistils) are attached. 花床(花托) (Japanese); flower receptacle; receptáculo (Spanish); tori; torus PO:0009065 hypanthium A cup- or tube-shaped cardinal organ part, bearing perianth and stamens on its rim, so these arise above the base, and often above the top, of the ovary. 花床筒 、いちじく状花序(=hypanthodium (Japanese); floral cup; hipantio (Spanish); hypanthia PO:0009066 anther A collective plant organ structure (PO:0025007) that is the pollen-bearing part of a stamen (PO:0009029). antera (Spanish); Poaceae anther; Zea anther; 半葯,花粉のう (Japanese) PO:0009067 filament A stalk that is part of a stamen. 花糸 (Japanese); filamento (Spanish); Poaceae filament; Zea filament PO:0009068 connective The part of the stamen that connects the microsporangia/pollen sacs. conectivo (Spanish); 葯隔、結合組織 (Japanese); Poaceae connective; Zea connective PO:0009069 anther theca A collective plant organ structure (PO:0025007) that is part of an anther (PO:0009066) and consists of a pair of sporangia (PO:0025094) that dehisce down a common slit. anther thecae; 葯 (Japanese); Poaceae theca; teca (Spanish); Zea theca PO:0009070 obsolete pollen sac OBSOLETE. A microsporangium in an angiosperm that is a cavity in an anther that contains pollen grains. anther lobe; saco polínico (Spanish) PO:0025277 pollen sac A microsporangium that is part of a sporophyll and where the pollen grains develop and are located after they develop. anther lobe; 花粉のう (Japanese); Poaceae microsporangium; saco polínico (Spanish); Zea microsporangium PO:0009071 anther wall tapetum A microsporangium tapetum (PO:0025314) that is part of an anther wall (PO:0000002). 葯壁タペート組織 (Japanese); Poaceae tapetum; pollen sac tapetum; portion of anther wall tapetal tissue; tapete (Spanish); Zea tapetum PO:0009072 plant ovary A plant structure (PO:0009011) that is the basal portion of a carpel (PO:0009030) or group of fused carpels and encloses the plant ovule(s) (PO:0020003). ovario vegetal (Spanish); Poaceae ovary; Zea ovary; 子房 (Japanese) PO:0009073 stigma A cardinal organ part that is part of a carpel or group of fused carpels on which the pollen germinates, usually apical. estigma (Spanish); Poaceae stigma; stigmas; stigmata; Zea stigma; 柱頭 (Japanese) PO:0009074 style An elongated part of a carpel or group of fused carpels between the ovary and the stigma, and through which the pollen tube grows. estilo (Spanish); 花柱 (Japanese); Poaceae style; silk; Zea style PO:0009075 plant ontology OBSOLETE. A controlled vocabulary to describe the various plant parts and the growth and developmental stages. ontología vegetal (Spanish); 植物オントロジー (Japanese) PO:0009077 staminode Sterile stamen. estaminodio (Spanish); staminodia; staminodium; 仮雄蕊 (Japanese) PO:0009078 pistillode A sterile pistil, often rudimentary. pistillodia; pistillodium; pistilodio (Spanish); 不稔の雌蕊、退化雌蕊 (Japanese) PO:0009080 spikelet rachilla The axis of the spikelet, above the glumes. raquilla de la espiguilla (Spanish); spikelet rhachilla; 小穂小軸 (Japanese) PO:0009081 inflorescence branch An inflorescence axis (PO:0020122) that is a branch (PO:0009081) arising from a first order inflorescence axis (PO:0025104) or from a higher order inflorescence branch. coflorescence; conflorescencia (Spanish); 花序枝 (Japanese); paraclade; paraclado (Spanish); 側生分枝(=lateral branch) (Japanese) PO:0009082 spikelet floret A small flower that is part of a spikelet. florete de la espiguilla (Spanish); grass floret; Poaceae floret; spikelet flower; 小穂小花 (Japanese) PO:0009083 reproductive structures OBSOLETE. Aggregation of gamete producing structures. 生殖構造 (Japanese); estructuras reproductivas (Spanish) PO:0009084 pericarp A portion of plant tissue (PO:0009007) that is the outer layer (wall) of a fruit (PO:0009001), and develops from a plant ovary (PO:0009072) or a carpel (PO:0009030) wall. fruit peel; fruit rind; pericarpo (Spanish); portion of pericarp tissue; 果皮 (Japanese) PO:0009085 exocarp A portion of plant tissue (PO:0009007) that is the outer layer of a pericarp (PO:0009084). ectocarp; epicarp; exocarpo (Spanish); flavedo; fruit epidermis; outer epidermis of pericarp; pericarp epidermis; portion of exocarp tissue; 外果皮 (Japanese) PO:0009086 endocarp A portion of plant tissue (PO:0009007) that is the innermost differentiated layer of a pericarp (PO:0009084). citrus flesh; citrus pulp; endocarpo (Spanish); inner epidermis of pericarp; portion of endocarp tissue; 内果皮 (Japanese) PO:0009087 mesocarp A portion of plant tissue (PO:0009007) that is the middle layer of a pericarp (PO:0009084). albedo; mesocarpo (Spanish); portion of mesocarp tissue; 中果皮 (Japanese) PO:0009088 seed coat A portion of plant tissue that is the covering of a seed derived from ovular - mainly integumentary - tissue. cubierta de la semilla (Spanish); 種子種皮 (Japanese); portion of seed coat tissue PO:0009089 endosperm A maximal portion of nutritive plant tissue in a seed. albumen; endosperma (Spanish); 内胚乳、胚乳 (Japanese) PO:0009090 aril An arilloid that is an outgrowth of a seed from a seed funicle. arilo (Spanish); 仮種皮 (Japanese) PO:0009091 mature dispersal unit OBSOLETE. provisional term ? (Japanese); unidad de dispersión madura (Spanish) PO:0009100 involucre A collective phyllome structure composed of two or more involucral bracts at the base of a cluster of flowers, as found in Asteraceae or Compositae. 総苞 (Japanese); involucro (Spanish) PO:0009101 long lateral tassel branch The long branch that arise from the central spike of tassel in maize. 雄穂の長側枝 (Japanese); ramificación lateral larga del penacho (borla) (Spanish); second order tassel branch PO:0009102 short tassel branch The very short branch that may arise from either or both the long lateral branch and the central spike of tassel in maize. 雄穂短枝 (Japanese); ramificación corta del penacho (borla) (Spanish); third order tassel branch PO:0009103 short tassel branch meristem The meristem present on either or both the long lateral branch and central spike of a maize tassel that gives rise to short tassel branch. 雄穂短枝分裂組織 (Japanese); meristema de la ramificación corta del penacho (borla) (Spanish); short branch meristem; third order tassel branch meristem PO:0009104 long lateral tassel branch meristem The meristem that gives rise to the long lateral branch in the maize tassel. 雄穂の長側枝の分裂組織 (Japanese); long lateral branch meristem; meristema de la ramificación larga del penacho (borla) (Spanish); second order tassel branch meristem PO:0009105 inflorescence branch meristem An inflorescence meristem (PO:0009108) that gives rise to an inflorescence branch (PO:0009081). 花序側部(側方)分裂組織 (Japanese); meristema lateral de la inflorescencia (Spanish) PO:0009106 tassel meristem Meristem that gives rise to the apical and lateral structures of the tassel inflorescence in maize. 雄穂分裂組織 (Japanese); meristema del penacho (borla) (Spanish) PO:0009107 tassel inflorescence branch meristem An inflorescence branch meristem (PO:0009105) that gives rise to the long lateral tassel branch (PO:0009101), short tassel branch (PO:0009102), and tassel spikelets (PO:0006309) in a tassel inflorescence (PO:0020126). 雄穂側分裂組織 (Japanese); meristema lateral del penacho (borla) (Spanish) PO:0009108 inflorescence apical meristem A reproductive shoot apical meristem that gives rise to the apical growth of the inflorescence. It develops from the shoot apical meristem (SAM) after it undergoes transition from vegetative to reproductive phase. 花序頂端分裂組織 (Japanese); meristema apical de la inflorescencia (Spanish) PO:0009109 ear meristem The meristem which gives rise to the female inflorescence or ear in maize. 雌穂分裂組織 (Japanese); meristema de la espiga (Spanish) PO:0009110 ear inflorescence branch meristem An inflorescence branch meristem (PO:0009105) that gives rise to a branch of an ear inflorescence (PO:0020136). 雌穂側分裂組織 (Japanese); meristema de la espiga lateral (Spanish) PO:0009111 petiole pulvinus Pulvinus of the petiole. 葉柄葉枕 (Japanese); pulvínulo del pecíolo (Spanish) PO:0019018 plant embryo axis A plant axis that is the axial part of a plant embryo. eje del embrión (Spanish); embryo axis; hypocotyl-root axis; zygotic plant embryo axis; 植物胚軸 (Japanese) PO:0019022 arilloid A cardinal part of multi-tissue plant structure (PO:0025498) that is a fleshy outgrowth of a seed (PO:0009010). arilli; arillode; arillus; arilodio (Spanish); 種皮附属物, アリロイド (Japanese) PO:0019023 strophiole An arilloid that is an outgrowth of a seed on a raphe. ストロフィオール (Japanese); estrofiolo (Spanish) PO:0019024 seed operculum A plug-like structure formed in the micropylar region of the seed coat. 種子蘚蓋 (Japanese); opérculo de la semilla (Spanish); portion of seed operculum tissue; seed lid; seed opercula PO:0019026 tracheid bar A portion of xylem (PO:0005352) tissue that is a distinct ring-like structure composed of tracheids (PO:0000301), that is part of a seed (PO:0009010) and surrounds the hilum (PO:0020063) and forms a groove in the surface of the pericarp (PO:0009084) immediately adjacent to the hilum. barra de la traqueida (Spanish); 仮導管の筋、縞 (Japanese) PO:0020001 ovary placenta A portion of placenta tissue that is part of an ovary and to which ovules are attached. placenta de ovario (Spanish); Poaceae ovary placenta; Zea ovary placenta; 子房胎座 (Japanese) PO:0020002 anther wall endothecium An microsporangium endothecium that part of an anther wall. anther sac hypodermis; endotecio de la pared the la antera (Spanish); 葯壁内皮 (Japanese); Poaceae endothecium; pollen sac endothecium; Zea endothecium PO:0020003 plant ovule A plant organ (PO:0009008) that has as parts a nucellus (PO:0020020) in which a female gametophyte (PO:0025279) is located, one or two integuments (PO:0020021), and a funicle (PO:0020006). óvulo vegetal (Spanish); 胚珠 (Japanese); Poaceae ovule; Zea ovule PO:0020004 anther wall exothecium An microsporangium exothecium that is part of an anther wall. anther epidermis; anther sac epidermis; exotecio de la pared de la antera (Spanish); 葯壁外皮 (Japanese); Poaceae exothecium; pollen sac exothecium; Zea exothecium PO:0020005 placentoid A portion of parenchyma tissue that is part of a connective and projects into a pollen sac. 胎座様 (Japanese); plancentoide (Spanish); Poaceae placentoid; Zea placentoid PO:0020006 funicle A stalk (PO:0025066) that attaches a plant ovule (PO:0020003) to a placenta (PO:0025078). 珠柄 (Japanese); funículo (Spanish); funiculi; funiculus; Poaceae funicle; Zea funicle PO:0020008 exine OBSOLETE. The outer layer of the pollen grain wall, highly resistant to strong acids and bases, and composed primarily of sporopollenin. exina (Spanish); 外皮、外壁、エキシン、外膜 (Japanese) PO:0020009 ectexine OBSOLETE. The outer part of the exine, which stains positively with basic fuchsin in optical microscopy and has higher electron density in conventionally prepared TEM sections. ectexina (Spanish); エクテキシン(ektexine?) (Japanese) PO:0020010 endexine OBSOLETE. The inner part of the exine, which stains. エンデキシン、内層 (Japanese); endexina (Spanish) PO:0020011 nexine OBSOLETE. The inner, non-sculptured part of the exine which lies below the sexine. ネキシン (Japanese); nexina (Spanish) PO:0020012 sexine OBSOLETE. The outer, sculptured layer of the exine, which lies above the nexine. セキシン、有刻層 (Japanese); sexina (Spanish) PO:0020013 tectum OBSOLETE. The layer of sexine, which forms a roof over the columellae, granules or other infratectal elements. テクタム、外表層 (Japanese); sexine 2; tectum (Spanish) PO:0020014 columella OBSOLETE. A rod-like element of the sexine/ectexine, either supporting the tectum or a caput. columela (Spanish); 軸柱、柱軸 (Japanese); sexine 1 PO:0020015 sculpture elements OBSOLETE. Third layer of sexine. elementos de la escultura (Spanish); sexine 3; 柱状体 (Japanese) PO:0020016 foot layer OBSOLETE. The inner layer of the ectexine. capa basal del grano de polen (Spanish); nexine 1; 底部層 (Japanese) PO:0020017 intine OBSOLETE. The innermost of the major layers of the pollen grain wall, underlies the exine and borders the cytoplasm, not acetolysis resistant and is therefore absent in conventionally prepared palynological material. intina (Spanish); 内膜、内壁 (Japanese) PO:0020018 germination pore OBSOLETE. Area through which the pollen imports the nutrition during its development, at the time of pollen germination, the pollen tube emerges through it. 発芽孔 (Japanese); pollen pore; poro de germinación (Spanish) PO:0020019 megaspore The larger, in general, of the two kinds of spores produced after meiosis in the life cycle of a heterosporous plant, and on germination giving rise to the female gametophyte (embryo sac). macrospore; megaspora (Spanish); Poaceae megaspore; Zea megaspore; 大胞子 (Japanese) PO:0020020 nucellus A megasporangium (PO:0025201) in a seed plant, composed of fleshy subepidermal tissue that is part of a plant ovule (PO:0020003) and surrounds a megasporocyte (PO:0000431). 珠心 (Japanese); megasporangium; nucelli; nucelo (Spanish); Poaceae nucellus; Zea nucellus PO:0020021 integument A portion of plant tissue (PO:0009007) that usually covers a plant ovule (PO:0020003), enveloping a nucellus (PO:0020020) and forming a micropyle (PO:0020025) at the apex. 珠皮 (Japanese); integumento (Spanish); Poaceae integument; portion of integument tissue; Zea integument PO:0020022 inner integument The innermost of the two layers of tissue that usually cover the ovule, contiguous to the nucellus and usually contributing to the formation of the micropyle at the apex. integumento interno (Spanish); Poaceae inner integument; 内珠皮 (Japanese) PO:0020023 outer integument One of the two layers of tissue that usually cover the ovule, contiguous to the inner integument and usually involved in forming the micropyle at the apex. integumento externo (Spanish); Poaceae outer integument; 外珠皮 (Japanese) PO:0020024 endothelium A portion of plant tissue composed of cells of the inner epidermis of the inner (or only) integument of the ovule that are radially elongated and metabolically very active. endotelio (Spanish); portion of endothelium; 内皮(?) endothecium? (Japanese) PO:0020025 micropyle A plant anatomical space that is enclosed by and forms an opening in an integument at the apex of an ovule. micrópila (Spanish); ovular micropyle; Poaceae micropyle; 孔 (Japanese) PO:0020026 chalaza A portion of plant tissue (PO:0009007) that is the region in a plant ovule (PO:0020003) where the integuments (PO:0020021) and the nucellus (PO:0020020) join with the funicule (PO:0020006). カラザ(合点)=珠心と珠皮が珠柄につながるところ、珠孔の反対側 (Japanese); calaza (Spanish); chalazae; chalazas; ovular chlaza; Poaceae chalaza; portion of chalaza tissue; Zea chalaza PO:0020027 raphe A cardinal organ part (PO:0025001) that is a ridge on a plant ovule (PO:0020003) where a funicle (PO:0020006) is or was fused to the ovule. 背線、縫線 (Japanese); rafe (Spanish) PO:0020028 antiraphe A cardinal organ part (PO:0025001) that is the part of a plant ovule (PO:0020003) on the opposite side from a raphe (PO:0020027). anterafe (Spanish); 胚珠の縫線と反対側にある組織 (Japanese) PO:0020029 obturator An outgrowth of the funicle, that forms a bridge between the micropyle and other tissues. 閉塞組織 (Japanese); obturador (Spanish); portion of obturator tissue PO:0020030 cotyledon A vascular leaf (PO:0009025) formed at the first shoot node (PO:0005004) of a plant embryo (PO:0009009) or a seedling (PO:0000003). cotiledón (Spanish); seed leaf; 子葉 (Japanese) PO:0020031 radicle An embryo root (PO:0000045) that is the basal continuation of a hypocotyl (PO:0020100) in a plant embryo (PO:0009009) or a seedling (PO:0000003). radícula (Spanish); 幼根 (Japanese) PO:0020032 plumule The shoot apex (PO:0000037) of the plant embryo (PO:0009009), above the cotyledonary node (PO:0025321). embryonic shoot; plúmula (Spanish); 幼芽 (Japanese) PO:0020033 coleoptile A sheath-like plant organ (PO:0009008) that surrounds the plumule (PO:0020032) of a plant embryo (PO:0009009) or the emerging shoot apex (PO:0000037) of a seedling. coleóptile (Spanish); 子葉鞘、鞘葉 (Japanese) PO:0020034 coleorhiza A sheath-like plant organ (PO:0009008) that surrounds the radicle (PO:0020031) of a plant embryo (PO:0009009) or the emerging root (PO:0009005) of a seedling (PO:0000003). coleorriza (Spanish); 根鞘 (Japanese) PO:0020035 epicotyl The first stem internode (PO:0020142) above the cotyledonary node (PO:0025321) of a plant embryo (PO:0009009) or a seedling (PO:0000003). epicótile (Spanish); 上胚軸 (Japanese) PO:0020036 epiblast A portion of plant tissue that is a flap-like projection of the coleorhiza, inserted opposite the scutellum. epiblasto (Spanish); 外胚葉 (Japanese) PO:0020037 mesocotyl A shoot internode that is the part of an embryo axis or the stem of a seedling above the scutellum and below the coleoptile. mesocótile (Spanish); 中胚軸 (Japanese) PO:0020038 petiole A stalk of a leaf. 葉柄 (Japanese); pecíolo (Spanish) PO:0020039 leaf lamina A phyllome lamina (PO:0025396) that is the part of a leaf (PO:0025034) exclusive of the petiole (PO:0020038) or leaf sheath (PO:0020104), if either is present. 葉身(葉片) (Japanese); lámina de la hoja (Spanish); leaf blade PO:0020040 leaf base A phyllome base (PO:0025140) that is part of a leaf (PO:0025034). base de la hoja (Spanish); 葉脚、葉底、葉身基部 (Japanese); leaf sheath base; phyllid base PO:0020041 stipule A cardinal organ part that is an appendage at the base of a vascular leaf. estípula (Spanish); 托葉 (Japanese) PO:0020042 simple leaf A leaf in which the lamina is undivided. hoja simple (Spanish); 単葉 (Japanese) PO:0020043 compound leaf A leaf having two or more distinct leaflets that are evident as such from early in development. 複葉 (Japanese); hoja compuesta (Spanish) PO:0020044 hyperphyll The unifacial terete apical portion of a monocot cotyledon, sometimes also visible on other leaves. hiperfilo (Spanish); 単子葉の単面円柱形先端 (Japanese) PO:0020045 pinnate leaf A once-compound leaf with leaflets borne along a rachis. 羽状葉 (Japanese); hoja pinnada (Spanish) PO:0020046 palmate leaf A once-compound leaf divided into several leaflets which arise at the same point, there being no rachis. hoja palmada (Spanish); 掌状葉 (Japanese) PO:0020047 microsporocyte A diploid (2n) cell that undergoes meiosis and produces four haploid (1n) microspores. microspore mother cell; microsporocito (Spanish); PMC; Poaceae microsporocyte; pollen mother cell; Zea microsporocyte; 小胞子母細胞 (Japanese) PO:0020048 microspore The smaller, in general, of the two kinds of spores produced after meiosis in the life cycle of a heterosporous plant, and on germination giving rise to the male gametophyte. microspora (Spanish); Poaceae microspore; Zea microspore; 小胞子 (Japanese) PO:0020049 leaflet One of the ultimate segments of a compound leaf. folíolo (Spanish); pinna; pinnae; pinnule; 小葉 (Japanese) PO:0020050 petiolule A stalk of a leaflet. peciolulo (Spanish); 小葉柄 (Japanese) PO:0020051 stipel Stipule-like appendage(s) at the base of a leaflet (in unifoliolate or simple leaves, found at the top of the petiole). estipelo (Spanish); 小托葉 (Japanese) PO:0020052 megaphyll OBSOLETE. Literally a large leaf, a leaf of any size whose vascular supply leaves one or more gaps as it departs from the stem vascular tissue. megafilo (Spanish); 大葉 (Japanese) PO:0020053 microphyll OBSOLETE. Literally a small leaf, a leaf of any size in which any vascular trace supplying it does not interrupt the central vascular cylinder when it departs, i.e. there are no leaf gaps. microfilo (Spanish); 小葉 (Japanese) PO:0020054 bud scale leaf A scale leaf that surrounds a dormant or perennating bud. bud scale; escama de la yema (Spanish); 芽鱗片葉 (Japanese) PO:0020055 leaf rachis A stalk that is the main axis of a pinnate or more highly compound leaf, that bears leaflets or divisions of the axis. 葉軸 (Japanese); leaf rhachis; raquis de la hoja (Spanish) PO:0020056 tegmen That part of the seed coat that develops from the inner integument. portion of tegmen tissue; tegmen (Spanish); 内種子(internal seed coat, inner seed coat, secundine) (Japanese) PO:0020057 testa That part of the seed coat that develops from the outer integument, or from the single integument when there is only one. portion of testa tissue; testa (Spanish); testae; 外種皮 (Japanese) PO:0020058 perisperm Diploid nutritive tissue in an angiosperm seed derived from nucellar tissue. perisperma (Spanish); portion of perisperm tissue; seed nucellus; 外胚乳 (Japanese) PO:0020059 pollen wall OBSOLETE. Complex wall surrounding the micrsopore. 花粉壁 (Japanese); pared del grano de polen (Spanish) PO:0020060 caruncle An arilloid that is an outgrowth of a seed next to the micropyle. carúncula (Spanish); 種枕(種阜) (Japanese) PO:0020061 coma A portion of seed coat epidermis that consists of multiple seed trichomes at the micropyle. brush; coma (Spanish); comae; comas; 種髪 (Japanese); tuft PO:0020062 elaiosome A cardinal organ part that is an oil-secreting outgrowth of a seed or fruit. elaiosoma (Spanish); 油脂体 (Japanese) PO:0020063 hilum A cardinal part of multi-tissue plant structure (PO:0025498) that is a scar on a seed (PO:0009010) at the place where it was attached to a funicle (PO:0020006). hila; hilo (Spanish); 核(デンプン粒)、へそ(種子) (Japanese) PO:0020064 dehiscent fruit OBSOLETE. Fruit that breaks open at maturity to release the contents. 裂開果 (Japanese); fruto dehiscente (Spanish) PO:0020065 indehiscent fruit OBSOLETE. Fruit that does not open at maturity. 閉果 (Japanese); fruto indehiscente (Spanish) PO:0020066 fleshy fruit OBSOLETE. The fruit may be derived from monocarpellate or multicarpellate gynoecia. Their walls may consist of the pericarp or of pericarp fused with extracarpellary tissue. The outer part of the fruit wall or the entire fruit wall may become fleshy by differentiating into soft, succulent parenchyma. Parts other than the wall such as placentae and partitions in multilocular ovaries may become fleshy. fruto carnoso (Spanish); 多肉果 (Japanese) PO:0020075 mericarp OBSOLETE. One segment of a fruit of a schizocarp consisting of pericarp plus seed(s). mericarpo (Spanish); 分果 (Japanese) PO:0020081 seed as dispersal unit OBSOLETE. semilla como unidad dispersante (Spanish); 分散ユニットとしての種子 (Japanese) PO:0020084 pyrene OBSOLETE. The 'stone' or 'pit' (endocarp plus seed) of a succulent fruit. pireno (Spanish); 核果の種、核 (Japanese) PO:0020085 seed and fruit wall as dispersal unit OBSOLETE. pared de la semilla y fruto como unidad dispersante (Spanish); 分散ユニットとしての種子と果壁 (Japanese) PO:0020086 multiple fruit OBSOLETE. Fruit on a common axis derived from the ovaries of several flowers. fruto múltiple (Spanish); 多果 (Japanese) PO:0020090 embryo sac central cell An embryo sac cell (PO:0025026) that is largest cell in a mature embryo sac (PO:0025074). célula central (Spanish); 中央細胞 (Japanese) PO:0020091 obsolete microgametophyte OBSOLETE. A gametophyte that produces pollen sperm cells. male gametophyte; microgametofito (Spanish); pollen; pollen grain PO:0025281 pollen A microgametophyte (PO:0025280) that develops from a microspore (PO:0020048) is located in a pollen sac (PO:0025277). 花粉 (Japanese); polen (Spanish); pollen grain PO:0025283 antheridium microgametophyte A microgametophyte (PO:0025280) that has as parts one or more antheridia (PO:0025125). anteridio del microgametofito (Spanish); antheridial microgametophyte; 造精器小胞子体(小配偶体) (Japanese) PO:0020092 obsolete megagametophyte OBSOLETE. A gametophyte that produces female gametes. embryo sac; female gametophyte; megagametofito (Spanish) PO:0025074 embryo sac A megagametophyte (PO:0025279) that is located in a plant ovary ovule (PO:0025490). 胚嚢 (Japanese); saco embrionario (Spanish) PO:0025282 archegonium megagametophyte A megagametophyte (PO:0025279) that has as parts one or more archegonia (PO:0025126). archegonial megagametophyte; arquegonio del megagametofito (Spanish); 造卵器大配偶体 (Japanese) PO:0020093 antipodal cell Cell, commonly three in number as in the eight-nucleate embryo sac, located at the other end of the embryo sac from the egg cell. célula antipodal (Spanish); 反足細胞 (Japanese) PO:0020094 plant egg cell A gamete (PO:0025006) produced by an archegonium (PO:0025126) or an embryo sac (PO:0025074). egg cell; female gamete; megagamete; non-mobile gamete; oocélula (Spanish); 植物卵細胞 (Japanese) PO:0020095 polar nucleus OBSOLETE. Usually two nuclei in the center of the eight-nucleate embryo sac that fuse, and subsequently fuse with one of the male gametes to produce the endosperm. nucleo polar (Spanish); 極核 (Japanese) PO:0020096 egg apparatus A cardinal organ part that has as parts an egg cell and two synergids and is located at the micropylar end of the embryo sac. aparato de la oocélula (Spanish); 卵装置 (Japanese) PO:0020097 generative cell A spermatogenous cell (PO:0025525) of the microgametophyte (PO:0025280) that divides to produce two pollen sperm cells (PO:0025121). célula generativa (Spanish); 雄原細胞、生殖系列細胞 (Japanese) PO:0020099 vegetative cell A plant cell that is the larger cell of a male gametophyte in seed plants. It does not divide further and develops into a pollen tube cell. célula vegetativa (Spanish); tube cell; 栄養細胞 (Japanese) PO:0020100 hypocotyl A stem internode (PO:0020142) below the cotyledonary node (PO:0025321) and transitional to a root (PO:0009005) of a plant embryo (PO:0009009) or a seedling (PO:0000003). 胚軸 (Japanese); hipocótile (Spanish) PO:0020101 stomium A plant anatomical space that is a slit in an anther lobe formed from when a dehiscence zone dehisces. estomio (Spanish); Poaceae stomium; stomia; Zea stomium; 口辺細胞 (Japanese) PO:0020102 portion of transmitting tissue A portion of ground tissue in the style of a carpel through which a pollen tube grows; it connects a stigma and the inside of an ovary. Poaceae transmitting tissue; porción del tejido de transmisión (Spanish); transmitting tract; 伝達組織の一部 (Japanese) PO:0020103 flag leaf The last mature leaf before the inflorescence in a cereal crop plant. hoja en bandera (Spanish); 止葉(boot leaf) (Japanese) PO:0020104 leaf sheath A tubular portion of the leaf surrounding the stem, as in the Poaceae. 葉鞘 (Japanese); vaina de la hoja (Spanish) PO:0020105 ligule A membranous or hairy appendage on the adaxial/upper surface of a leaf, at the junction between sheath and blade, especially in grasses. 葉舌 (Japanese); lígula (Spanish) PO:0020106 leaf sheath auricle A cardinal organ part (PO:0025001) that is an ear-shaped outgrowth of the distal part of a leaf sheath (PO:0020104). aurícula de la vaina de la hoja (Spanish); 葉鞘葉耳 (Japanese); leaf sheath ear PO:0020108 suspensor An embryonic plant structure at the base of a plant embryo that develops from an embryonic basal cell and connects an embryo proper to the wall of a megagametophyte. 胚柄 (Japanese); suspensor (Spanish) PO:0020109 embryo hypophysis A plant cell that is the uppermost cell of a suspensor and from which part of the root and root cap in a plant embryo of angiosperms are derived. embryonic hypophysis; 胚原根層 (Japanese); hipófisis (Spanish) PO:0020110 scutellum An embryonic plant structure that is a more or less shield-shaped and absorptive portion of a plant embryo of Poaceae. escutelo (Spanish); 胚盤 (Japanese); haustorial cotyledon PO:0020121 lateral root A root (PO:0009005) that develops from a lateral root primordium (PO:0000016) that is part of another root on the same plant. raíz lateral (Spanish); 側根 (Japanese) PO:0020122 inflorescence axis A shoot axis (PO:0025029) that is part of an inflorescence (PO:0009049). eje de la inflorescencia (Spanish); 花序軸 (Japanese); first order inflorescence branch; inflorescence rachis PO:0020123 root cap A portion of parenchyma tissue that is part of the root tip and covers the root apical meristem. caliptra de la raíz (Spanish); rootcap; 根冠(=kalyptra) (Japanese) PO:0020124 root stele A stele that is part of a root. estela de la raíz (Spanish); root vascular cylinder; 根中心柱 (Japanese) PO:0020125 elongation zone OBSOLETE. The portion of the root that includes small, densely cytoplasmic cells that are dividing and expanding in size. zona de elongación (Spanish); 伸長帯 (Japanese) PO:0025181 root elongation zone A plant axis elongation zone that is part of a root tip and located directly behind the root apical meristem. zona de elongación de la raíz (Spanish); 根伸長帯(層) (Japanese) PO:0020126 tassel inflorescence The functionally-staminate flowering structure that terminates the stem of a Zea mays plant. 雄穂(花) (Japanese); penacho de la inflorescencia (Spanish) PO:0020127 primary root A root (PO:0009005) that develops directly from an seedling radicle (PO:0020127). raíz primaria (Spanish); tap root; 一次根 (Japanese) PO:0020128 leaf margin A phyllome margin (PO:0025018) of any flattened part of a leaf (PO:0025034). 葉縁 (Japanese); margen de la hoja (Spanish) PO:0020130 central root cap A portion of root parenchyma tissue that is the central part of a root cap in which the cells are arranged in longitudinal files. caliptra de la raíz central (Spanish); columella cells; columella rootcap; 中心根冠 (Japanese) PO:0020131 lateral root cap A portion of root parenchyma tissue that is part of a root cap and is parallel to the sides of a root axis. caliptra lateral de la raíz (Spanish); peripheral cells; 側根冠 (Japanese) PO:0020132 columella root cap cell Cell that constitutes the central part of the root cap, arranged in longitudinal files. célula de la columela del caliptra de la raíz (Spanish); 柱軸根冠細胞 (Japanese) PO:0020133 columella root cap initial cell A root initial cell that produces columella cells in the root cap. In direct contact with quiescent center. célula inicial de la columela del caliptra de la raíz (Spanish); columella root cap initial; columella root cap stem cell; columella stem cell; 柱軸根冠始原細胞 (Japanese) PO:0020134 statolith OBSOLETE. Solid cell inclusion of starch containing plastids occurring in root cap cells. estatolito (Spanish); 感受粒、平衡粒、デンプン粒 (Japanese) PO:0020135 root differentiation zone A plant axis differentiation zone that is the part of a root and is located behind a root elongation zone. region of root maturation; root maturation zone; root specialization zone; zona de diferenciación de la raíz (Spanish); 根分化帯(層) (Japanese) PO:0020136 ear inflorescence The distal part of a lateral (axillary) branch in Zea that bears the functionally-carpellate florets in a highly contracted inflorescence. cob; 雌穂(花) (Japanese); oreja de la inflorescencia (Spanish) PO:0020137 leaf apex A phyllome apex (PO:0025139) that is part of a leaf (PO:0025034). ápice de la hoja (Spanish); 葉先 (Japanese); leaf lamina apex; phyllid apex PO:0020138 leaf lamina vein A phyllome lamina vein (PO:0025348) that is part of a leaf lamina vascular system (PO:0000048). 葉身葉脈 ? (Japanese); leaf lamina vascular bundle; vena de la hoja (Spanish) PO:0020139 leaf midvein A primary leaf vein (PO:0025413) that is the central vein of a vascular leaf (PO:0009025). 葉主脈、中央脈、中脈 (Japanese); mid rib; mid-rib; midrib; vascular leaf costa; vascular leaf costae; vascular leaf midvein; vena media (Spanish) PO:0020140 secondary leaf vein A leaf lamina vein (PO:0020138) arising from a primary leaf vein (PO:0025413). cross-vein; veinlet; vena secundaria (Spanish); 二次葉脈 (Japanese) PO:0020141 stem node A shoot node that is part of a stem. 茎節 (Japanese); nodo del tallo (Spanish) PO:0020142 stem internode A shoot internode that is part of a stem. 茎節間 (Japanese); internodo del tallo (Spanish) PO:0020144 apical meristem A maximal portion of meristem tissue located at an apex of a shoot system or root system. AM; 頂端分裂組織 (Japanese); meristema apical (Spanish); primary meristem; promeristem PO:0020145 lateral meristem A portion of meristem (PO:0009013) tissue located parallel to the sides of a shoot axis (PO:0025029) or root (PO:0009005) that participates in lateral growth. lateral growth meristem; meristema lateral (Spanish); secondary meristem; 側 分裂組織 (Japanese) PO:0020147 root apical meristem An apical meristem of the root system. meristema apical de la raíz (Spanish); promeristem; RAM; 根端分裂組織 (Japanese) PO:0020148 shoot apical meristem A shoot meristem (PO:0006079) formed at the apex of the shoot axis (PO:0025029), including those originating from an axillary bud meristem (PO:0000232). 茎頂分裂組織 (Japanese); meristema apical del epiblasto (epiblastema) (Spanish); primary shoot meristem; promeristem; SAM PO:0020149 quiescent center A portion of meristem tissue that is part of a root apical meristem and consists of mitotically and metabolically inactive cells and is positioned behind the root protoderm. centro de division de células del meristema (Spanish); 静止中心 (Japanese) PO:0025001 cardinal organ part A cardinal part of multi-tissue plant structure (PO:0025498) that is a proper part of a plant organ (PO:0009008) and includes portions of plant tissue (PO:0009007) of at least two different types. cardinal part of plant organ; parte de un órgano cardinal (Spanish); 基本的な(主要な)器官部 (Japanese) PO:0025002 basal root A root that arises from a part of the hypocotyl. adventitious root; raíz basal (Spanish); 下胚軸由来の根、不定根 (Japanese) PO:0025003 tuber axillary shoot An axillary shoot that develops from a tuber axillary bud. epiblasto (epiblastema) lateral de tubérculo (Spanish); 塊茎腋 分げつ (Japanese) PO:0025004 plant axis An axial plant organ (PO:0009008). eje de la planta (Spanish); plant axes; 植物軸(軸柱) (Japanese) PO:0025005 organ margin A cardinal organ part that is the edge of an organ and the area immediately internally adjacent to it. margen de un órgano (Spanish); 器官縁 (Japanese) PO:0025006 gamete A plant cell that has half the chromosome complement of the sporophyte and is capable of fertilization to create a plant zygote (PO:0000423). 配偶子 (Japanese); gameta (Spanish) PO:0025007 collective plant organ structure A collective plant structure (PO:0025497) that is a proper part of a whole plant (PO:0000003), and is composed of two or more adjacent plant organs (PO:0009008) and the associated portions of plant tissue (PO:0009007). estructura vegetal colectiva de órgano (Spanish); 集合植物器官構造 (Japanese) PO:0025008 petal margin A phyllome margin (PO:0025018) of a petal (PO:0009032). 花弁周縁 (Japanese); margen del pétalo (Spanish) PO:0025009 leaf lamina margin The margin of a leaf lamina. 葉身縁 (Japanese); margen de la lámina de la hoja (Spanish) PO:0025010 petiole margin The margin of a flattened petiole. 葉柄縁 (Japanese); margen del pecíolo (Spanish) PO:0025011 bract margin A phyllome margin (PO:0025018) that is part of a bract (PO:0009055). 苞縁 (Japanese); margen de la bráctea (Spanish) PO:0025012 cotyledon margin The margin of a cotyledon. margen del cotiledón (Spanish); 子葉縁 (Japanese) PO:0025013 prophyll margin The margin of a prophyll. margen del profilo (Spanish); 前葉縁、前出葉縁 (Japanese) PO:0025014 scale leaf margin The margin of a scale leaf. 鱗片葉縁 (Japanese); margen de la hoja escamosa (Spanish) PO:0025015 tepal margin The margin of a tepal (PO:0009033). 花被片縁 (Japanese); margen del tépalo (Spanish) PO:0025016 sporophyll margin The margin of a sporophyll. 芽胞葉、実葉、胞子葉 縁 (Japanese); margen del esporofilo (Spanish) PO:0025017 plant spore A whole plant (PO:0000003) that arises through meiosis and is contained in a spore wall. diaspore; espora (Spanish); spore; 植物胞子 (Japanese) PO:0025018 phyllome margin An organ margin (PO:0025005) that is part of a phyllome (PO:0006001). フィロム縁 (Japanese); margen del filoma (Spanish) PO:0025019 carpel margin The margin of a carpel. margen del carpelo (Spanish); 心皮縁 (Japanese) PO:0025020 stamen margin The margin of a stamen. 雄蕊縁 (Japanese); margen del estambre (Spanish) PO:0025021 collective tepal structure A perianth (PO:0009058) consisting of one or more tepals (PO:0009033). estructura colectiva del tépalo (Spanish); 集合花被片構造 (Japanese) PO:0025023 collective phyllome structure A collective plant organ structure (PO:0025007) that consists of two or more phyllomes (PO:0006001) originating from the same node or from one or more adjacent nodes with compressed shoot internodes (PO:0005005). cycle; estructura colectiva del filoma (Spanish); 葉的器官が集まった構造 (Japanese); floral whorl; phyllome whorl; verticil; whorl PO:0025024 branch node A shoot node that is part of a branch. nodo ramificado (Spanish); 枝節 (Japanese) PO:0025025 root system A collective plant organ structure (PO:0025007) that produces root apical meristems (PO:0020147) and the plant structures that arise from them. root; sistema de raíz (Spanish); 根系 (Japanese) PO:0025026 embryo sac cell A plant cell (PO:0009002) that is part of an embryo sac (PO:0025074). célula megagametofítica (Spanish); embryo sac cell; 胚嚢細胞 (Japanese); megagametophytic cell PO:0025027 microgametophytic cell OBSOLETE. A plant cell that is part of a male gametophyte. célula microgametofítica (Spanish); 小配偶体細胞 (Japanese) PO:0025028 embryo plant cell A plant cell that is part of a plant embryo. célula embriónica vegetal (Spanish); embryo cell; embryonic cell; embryonic plant cell; 胚性植物細胞 (Japanese) PO:0025029 shoot axis A plant axis (PO:0025004) that is part of a shoot system (PO:0009006). シュート軸 (Japanese); caullome; eje del epiblasto (epiblastema) (Spanish); shoot PO:0025030 ground tissue cell A plant cell that is part of a portion of ground tissue. célula del tejido fundamental (Spanish); fundamental tissue cell; 基本組織細胞 (Japanese) PO:0025032 hydroid A plant cell that is dead at maturity, lacks specialized wall thickenings or lignin, and has tapered ends that are thin and partially hydrolyzed. ハイドロイド、仮導管状細胞 (Japanese); hidroide (Spanish); hydroid cell PO:0025033 leptoid A plant cell that resembles in structure the sieve elements of vascular plants. レプトイド、師管組織に相当する細胞群 (Japanese); leptoid cell; leptoide (Spanish) PO:0025034 leaf A phyllome (PO:0006001) that is not associated with a reproductive structure. 葉 (Japanese); hoja (Spanish) PO:0025035 storage parenchyma A portion of parenchyma (PO:0005421) specialized for carbohydrate storage. 貯蔵柔組織 (Japanese); flesh; fleshy tissue; parénquima de reserva (Spanish); portion of storage parenchyma PO:0025036 tuber storage parenchyma A portion of storage parenchyma (PO:0025035) that is part of a tuber (PO:0025522). parénquima de reserva de tubérculo (Spanish); tuber flesh; 塊茎貯蔵柔組織 (Japanese) PO:0025037 fruit storage parenchyma A portion of storage parenchyma that is part of a fruit. fruit flesh; parénquima de reserva de fruto (Spanish); 果実貯蔵柔組織 (Japanese) PO:0025038 subterranean tuber storage parenchyma A portion of tuber storage parenchyma (PO:0025035) that is part of a subterranean tuber (PO:0004547). parénquima de reserva de tubérculo subterráneo (Spanish); potato tuber flesh; 地下塊茎 貯蔵柔組織 (Japanese) PO:0025039 aerial tuber storage parenchyma A portion of tuber storage parenchyma (PO:0025036) that is part of an aerial tuber (PO:0004548). むかご(珠芽)貯蔵柔組織 (Japanese); parénquima de reserva de tubérculo aéreo (Spanish) PO:0025040 shoot axis tuber axillary vegetative bud An axillary vegetative bud (PO:0004712) that is part of a shoot axis tuber (PO:0004543). tuber bud; tuber eye; yema vegetativa axilar de tubérculo (Spanish); 塊茎腋栄養芽 (Japanese) PO:0025041 aerial tuber axillary vegetative bud A tuber axillary vegetative bud that is part of an aerial tuber. むかご(珠芽)腋枝芽 (Japanese); yema vegetativa axilar de tubérculo aéreo (Spanish) PO:0025042 subterranean tuber axillary vegetative bud A tuber axillary vegetative bud that is part of a subterranean tuber. eye; potato eye; swollen eye; tuber eye; yema vegetativa axilar de tubérculo subterráneo (Spanish); 地下塊茎腋栄養芽 (Japanese) PO:0025043 shoot axis tuber periderm A portion of shoot axis periderm (PO:0005048) that is part of a shoot axis tuber (PO:0004543). peridermis de tubérculo (Spanish); 塊茎周皮 (Japanese) PO:0025044 aerial tuber periderm A portion of tuber periderm that is part of an aerial tuber. むかご(珠芽)周皮 (Japanese); peridermis de tubérculo aéreo (Spanish) PO:0025045 subterranean tuber periderm A portion of tuber periderm that is part of a subterranean tuber. mature potato tuber skin; peridermis de tubérculo subterráneo (Spanish); 地下塊茎 周皮 (Japanese) PO:0025046 shoot axis tuber epidermis A portion of shoot axis epidermis (PO:0000112) that is part of a shoot axis tuber (PO:0004543). epidermis de tubérculo (Spanish); 塊茎 表皮 (Japanese) PO:0025047 aerial tuber epidermis A portion of tuber epidermis that is part of an aerial tuber. むかご(珠芽)表皮 (Japanese); epidermis de tubérculo aéreo (Spanish) PO:0025048 subterranean tuber epidermis A tuber epidermis that is part of a subterranean tuber. epidermis de tubérculo subterráneo (Spanish); young potato tuber skin; 地下塊茎 表皮 (Japanese) PO:0025049 subterranean tuber interfascicular region A tuber interfascicular region that is part of a subterranean tuber storage parenchyma. región interfascicular de tubérculo subterráneo (Spanish); 地下塊茎維管束間領域 (Japanese) PO:0025050 tuber interfascicular region An interfascicular region that is part of a tuber storage parenchyma. región interfascicular de tubérculo (Spanish); tuber flesh; 塊茎維管束間領域 (Japanese) PO:0025051 aerial tuber interfascicular region A tuber interfascicular region that is part of an aerial tuber storage parenchyma. むかご(珠芽)維管束間領域 (Japanese); región interfascicular de tubérculo aéreo (Spanish) PO:0025052 tuber pith A portion of pith (PO:0006109) that is part of a tuber storage parenchyma (PO:0025036). médula del tubérculo (Spanish); tuber flesh; 塊茎髄 (Japanese) PO:0025053 subterranean tuber pith A portion of tuber pith (PO:0025052) that is part of a subterranean tuber storage parenchyma (PO:0025038). médula del tubérculo subterráneo (Spanish); water core; 地下塊茎 髄 (Japanese) PO:0025054 aerial tuber pith A portion of tuber pith (PO:0025052) that is part of an aerial tuber storage parenchyma (PO:0025039). むかご(珠芽)髄 (Japanese); médula del tubérculo aéreo (Spanish) PO:0025055 tuber cortex A portion of cortex (PO:0005708) that is part of a tuber storage parenchyma (PO:0025036). corteza del tubérculo (Spanish); 塊茎皮層 (Japanese) PO:0025056 aerial tuber cortex A portion of tuber cortex that is part of an aerial tuber storage parenchyma. むかご(珠芽)皮層 (Japanese); corteza del tubérculo aéreo (Spanish) PO:0025057 subterranean tuber cortex A portion of tuber cortex that is part of a subterranean tuber storage parenchyma. corteza del tubérculo subterráneo (Spanish); Outer storage tissue; 地下塊茎 皮層 (Japanese) PO:0025058 perimedullary zone A portion of parenchyma (PO:0005421) that is the outer layer of the pith (PO:0006109). 髄冠 (Japanese); zona perimedular (Spanish) PO:0025060 lamina A cardinal part of multi-tissue plant structure (PO:0025498) that is thin and flat. blade; 葉身、葉片 (Japanese); lámina (Spanish); laminae PO:0025061 tuber perimedullary zone A perimedullary zone (PO:0025058) that is part of a tuber pith (PO:0025052). tuber flesh; zona perimedular del tubérculo (Spanish); 塊茎髄冠 (Japanese) PO:0025062 aerial tuber perimedullary zone A tuber perimedullary zone that is part of an aerial tuber pith. むかご(珠芽)髄冠 (Japanese); zona perimedular del tubérculo aéreo (Spanish) PO:0025063 subterranean tuber perimedullary zone A tuber perimedullary zone that is part of a subterranean tuber pith. zona perimedular del tubérculo subterráneo (Spanish); 地下塊茎 髄冠 (Japanese) PO:0025064 shoot axis perimedullary zone A perimedullary zone (PO:0025058) that is part of a shoot axis pith (PO:0005041). シュート軸髄冠 (Japanese); branch perimedullary zone; stem perimedullary zone; zona perimedular de eje del epiblasto (epiblastema) (Spanish) PO:0025065 root perimedullary zone A perimedullary zone that is part of a root pith. zona perimedular de la raíz (Spanish); 根髄冠 (Japanese) PO:0025066 stalk A cardinal organ part (PO:0025001) that is elongated and sub-cylindrical to cylindrical and supports another cardinal organ part. stipe; tallo de alto orden (secundario, terciario, etc) (Spanish); 柄 (Japanese) PO:0025067 seed storage parenchyma A portion of storage parenchyma that is part of a seed. 種子貯蔵柔組織 (Japanese); parénquima de reserva de la semilla (Spanish) PO:0025068 shoot axis tuber axillary bud meristem An axillary bud meristem (PO:0000232) that is part of a shoot axis tuber (PO:0004543). meristema axilar de yema de tubérculo (Spanish); 塊茎腋芽 分裂組織 (Japanese) PO:0025069 aerial tuber axillary bud meristem A tuber axillary bud meristem that is part of an aerial tuber. むかご(珠芽)腋芽分裂組織 (Japanese); meristema axilar de yema de tubérculo aéreo (Spanish) PO:0025070 subterranean tuber axillary bud meristem A tuber axillary bud meristem that is part of a subterranean tuber. meristema axilar de yema de tubérculo subterráneo (Spanish); 地下塊茎腋芽 分裂組織 (Japanese) PO:0025071 terminal reproductive bud A terminal bud that develops into a reproductive structure. 生殖型頂芽 (Japanese); yema terminal reproductiva (Spanish) PO:0025072 axillary reproductive bud An axillary bud (PO:0004709) that develops into an reproductive shoot system (PO:0025082). 腋生殖芽 (Japanese); yema axilar reproductiva (Spanish) PO:0025073 branch A shoot axis (PO:00025029) that develops from an axillary bud meristem (PO:0000232) or from equal divisions of a meristematic apical cell (PO:0030007). ; branchlet; higher order axis; ramificación (Spanish); secondary axis; shoot axis branch; tertiary axis; twig; 枝 (Japanese) PO:0025075 non-vascular leaf A leaf in a non-vascular plant. 非維管束系葉 (Japanese); gametophyll; gametophyte leaf; gametophytic leaf; hoja no vascular (Spanish); non-vascular leaflet; phyllid; phyllidium PO:0025076 axillary strobilus bud An axillary reproductive bud that develops into a strobilus. 腋珠果(ストロビル)芽 (Japanese); yema de estróbilo axilar (Spanish) PO:0025077 terminal strobilus bud A terminal reproductive bud that develops into a strobilus. 頂果芽 (Japanese); yema de estróbilo terminal (Spanish) PO:0025078 placenta A portion of plant tissue at the interface between two plant structures, one of which is in a gametophyte development stage (PO:id) and one of which is in a sporophyte development stage (PO:id), and that has as parts transfer cells (PO:0000078). 胎座 (Japanese); placenta (Spanish); placentae; placentas; portion of placenta tissue PO:0025079 aerial tuber axillary shoot An axillary shoot that develops from an aerial tuber axillary bud. むかご(珠芽)腋枝 (Japanese); epiblasto (epiblastema) axilar de tubérculo aéreo (Spanish) PO:0025080 branch internode A shoot internode that is part of a branch. internodo de una ramificación (Spanish); 枝節間 (Japanese) PO:0025081 subterranean tuber axillary shoot An axillary shoot that develops from a subterranean tuber axillary bud. epiblasto (epiblastema) axilar de tubérculo subterráneo (Spanish); tuber sprout; 地下塊茎腋 分げつ (Japanese) PO:0025082 reproductive shoot system A shoot system (PO:0009006) in the sporophytic phase that has as part at least one sporangium. 生殖シュート 系、苗条系 (Japanese); sistema de brote reproductivo (Spanish) PO:0025083 strobilus A reproductive shoot system consisting of a number of modified leaves (sporophylls) or ovule-bearing scales grouped terminally on a stem. compound strobilus; cone; cono (Spanish); estróbilo (Spanish); 胞子嚢穂, 球花 (Japanese); female cone; macrostrobili; macrostrobilus; male cone; megastrobili; megastrobilus; microstrobilus; ovulate cone; pollen cone; simple strobilus; strobili PO:0025084 reproductive bud A bud that develops into a reproductive shoot system. 生殖芽 (Japanese); yema reproductiva (Spanish) PO:0025085 strobilus bud A bud that develops into a strobilus. cone bud; 珠果芽 (Japanese); yema estrobilar (Spanish) PO:0025088 gynoecium ridge A gynoecium in the early stages of development, characterized as a ridge on the abaxial surface of the floral meristem that develops from a gynoecium primordium. 雌蕊縁 (Japanese); gynoecial ridge; gynoecium ridge of lower floret of pedicellate spikelet of ear; gynoecium ridge of lower floret of sessile spikelet of ear; gynoecium ridge of upper floret of pedicellate spikelet of ear; gynoecium ridge of upper floret of sessile spikelet of ear; Poaceae gynoecium ridge; stylar ridge; surco del ginoecio (Spanish); Zea gynoecium ridge PO:0025092 dehiscence zone A portion of plant tissue that is part of a plant structure and consists of a narrow band of cells that undergoes dehiscence upon maturation of the structure. zona de dehiscencia (Spanish); 裂開帯 (Japanese) PO:0025093 spore capsule annulus A dehiscence zone that is part of a spore capsule. anillo de la cápsula de musgos (Spanish); capsule dehiscence zone; 胞子蒴(さく)環帯 (Japanese); spore capusule annuli PO:0025094 sporangium A plant organ in which spores are produced. esporangio (Spanish); 胞子嚢 (Japanese); moss capsule; sporangia; spore capsule; spore case PO:0025095 root parenchyma A portion of parenchyma tissue that is part of a root. parénquima de la raíz (Spanish); 根柔組織 (Japanese) PO:0025098 bract trichome A phyllome trichome that is part of a bract epidermis. 苞毛(毛茸、糸状体) (Japanese); tricoma de bráctea (Spanish) PO:0025099 embryo plant structure A plant structure (PO:0009011) that is part of an plant embryo (PO:0009009). embryonic plant structure; estructura vegetal embriónica (Spanish); 胚性植物構造 (Japanese) PO:0025100 shoot internode elongation zone A plant axis elongation zone that is part of a shoot axis internode. シュート節間伸長帯(層) (Japanese); zona de elongación del internodo de epiblasto (epiblastema) (Spanish) PO:0025101 branch internode elongation zone A shoot axis internode elongation zone that is part of a branch internode. zona de elongación de la ramificación del internodo (Spanish); 枝節間伸長帯(層) (Japanese) PO:0025102 shoot internode differentiation zone A plant axis differentiation zone that is part of a shoot axis. シュート節間分化帯(層) (Japanese); zona de diferenciación del internodo del epiblasto (epiblastema) (Spanish) PO:0025103 branch internode differentiation zone A shoot internode differentiation zone that is part of a branch internode. zona de diferenciación de la ramificación del internodo (Spanish); 枝節間分化帯(層) (Japanese) PO:0025104 first order inflorescence axis An inflorescence axis (PO:0020122) that is the primary or main axis of an inflorescence (PO:0009049). 第一花序軸 (Japanese); inflorescence rachis; inflorescence rhachis; primary inflorescence axis; primer orden del eje de la inflorescencia (Spanish); ray PO:0025105 third order inflorescence branch An inflorescence branch (PO:0009081) arising from a second order inflorescence branch (PO:0006322). 第三花序分枝 (Japanese); fourth order inflorescence axis; rama de tercer orden de la inflorescencia (Spanish); tertiary inflorescence branch; third order paraclade PO:0025106 fourth order inflorescence branch An inflorescence branch (PO:0009081) arising from a third order inflorescence branch (PO:0025105). 第四花序分枝 (Japanese); fifth order inflorescence axis; rama de cuarto orden de la inflorescencia (Spanish) PO:0025107 fifth order inflorescence branch An inflorescence branch (PO:0009081) arising from a fourth order inflorescence branch (PO:0025106). 第五花序分枝 (Japanese); rama de quinto orden de la inflorescencia (Spanish); sixth order inflorescence axis PO:0025108 sixth order inflorescence branch An inflorescence branch (PO:0009081) arising from a fifth order inflorescence branch (PO:0025107). 第六花序分枝 (Japanese); rama de sexto orden de la inflorescencia (Spanish); seventh order inflorescence axis PO:0025109 seventh order inflorescence branch An inflorescence branch (PO:0009081) arising from a sixth order inflorescence branch (PO:0025108). 第七花序分枝 (Japanese); eighth order inflorescence axis; rama de séptimo orden de la inflorescencia (Spanish) PO:0025110 eighth order inflorescence branch An inflorescence branch (PO:0009081) arising from an seventh order inflorescence branch (PO:0025109). 第八花序分枝 (Japanese); ninth order inflorescence axis; rama de octavo orden de la inflorescencia (Spanish) PO:0025111 ninth or higher order inflorescence branch An inflorescence branch (PO:0009081) arising from a eighth order inflorescence branch (PO:0025110) or higher. 第九花序分枝 (Japanese); noveno orden o superior rama de la inflorescencia (Spanish); tenth or higher order inflorescence axis PO:0025112 primary infructescence branch An infructescence branch (PO:0025243) arising from a first order infructescence axis (PO:0025244). 第一果序分枝 (Japanese); ramificacion primaria de la infructescencia (Spanish); second order infructescence axis PO:0025113 second order infructescence branch An infructescence branch (PO:0025243) arising from a primary infructescence branch (PO:0025112). 第二果序分枝 (Japanese); ramificacion de segundo orden de la infructescencia (Spanish); secondary infructescence branch PO:0025114 third order infructescence branch An infructescence branch (PO:0025243) arising from a second order infructescence branch (PO:0025113). 第三果序分枝 (Japanese); ramificacion de tercer orden de la infructescencia (Spanish) PO:0025115 fourth order infructescence branch An infructescence branch (PO:0025243) arising from a third order infructescence branch (PO:0025114). 第四果序分枝 (Japanese); ramificacion de cuarto orden de la infructescencia (Spanish) PO:0025116 fifth order infructescence branch An infructescence branch (PO:0025243) arising from a fourth order infructescence branch (PO:0025115). ramificacion de quinto orden de la infructescencia (Spanish); 第五果序分枝 (Japanese) PO:0025117 plant anatomical space An anatomical space that is part of a plant. espacio anatómico vegetal (Spanish); lacuna; lacunae; lumen; lumina; 植物 解剖学(形態)的空間 (Japanese) PO:0025118 anther pore A plant anatomical space that is a pore at the apex of an anther. 葯頂の孔 (Japanese); poro de la antera (Spanish) PO:0025119 plant axis differentiation zone A cardinal organ part that is part of a plant axis and is located behind the elongation zone and contains cells that are differentiating into their final form and function. zona de diferenciación de eje vegetal (Spanish); 植物軸分化帯 (Japanese) PO:0025120 antheridium sperm cell A plant sperm cell (PO:0000084) which develops from a spermatogenous cell (PO:0025525) and is located in an antheridium (PO:0025125). antheridial sperm cell; antherozoid; célula espermática del anteridio (Spanish); 造精器精子細胞 (Japanese); spermatozoid PO:0025121 pollen sperm cell A plant sperm cell (PO:0000084) that is part of the pollen (PO:0025281). célula espermática polínica (Spanish); 花粉精子細胞 (Japanese) PO:0025122 archegonium egg cell A plant egg cell (PO:0020094) that develops from the archegonium central cell (PO:0025509) and is located in the venter (PO:0030038). archegonial egg cell; 造卵器卵細胞 (Japanese); oocélula del arquegonio (Spanish) PO:0025123 embryo sac egg cell A plant egg cell (PO:0020094) that is part of an egg apparatus (PO:0020096). 胚嚢卵細胞 (Japanese); oocélula del saco embrionario (Spanish) PO:0025124 multicellular plant gametangium A plant organ (PO:0009008) that produces one or more gametes (PO:0025006) and participates in the gametophyte development stage (PO:0028003). gametangio (Spanish); gametangium; 多細胞植物配偶子嚢 (Japanese) PO:0025125 antheridium A multicellular plant gametangium (PO:0025124) that produces antheridium sperm cells (PO:0025120) and has as parts an antheridium jacket layer (PO:0030053) and an antheridium stalk (PO:0030035). anteridio (Spanish); antheridia; 造精器 (Japanese) PO:0025126 archegonium A multicellular plant gametangium (PO:0025124) that develops from an archegonium initial cell (PO:0025510) and has as parts a venter (PO:0030038) and an archegonium neck (PO:0030039). archegonia; arquegonio (Spanish); 造卵器 (Japanese) PO:0025127 primordium A portion of meristem tissue (PO:0009013) that has as parts protoderm (PO:0006210) and sub-epidermal meristematic tissue and is committed to the development of a particular plant structure (PO:0009011). portion of primordial tissue; portion of primordium tissue; primordia; primordio (Spanish); 原基(可視的) (Japanese) PO:0025128 phyllome primordium A primordium (PO:0025127) that develops from a phyllome anlagen (PO:0025430) and is part of a shoot apex (PO:0000037) and is committed to the development of a phyllome (PO:0006001). フィロム原基(可視的) (Japanese); phyllome primordia; portion of phyllome primordium tissue; primordio del filoma (Spanish) PO:0025129 petiole lamina A lamina (PO:0025060) that is part of a petiole (PO:0020038). 葉柄葉身、葉片 (Japanese); lámina (ala) del pecíolo (Spanish); petiole wing PO:0025130 cigar leaf A leaf near the apex of a stem that is still rolled into a cylinder. 葉巻状葉 (Japanese); hoja en cigarro (Spanish) PO:0025131 plant anatomical entity An anatomical entity that is or was part of a plant. entidad anatómica vegetal (Spanish); 植物 解剖学(形態)的実体 (Japanese) PO:0025132 canal A plant anatomical space that is either a groove on the surface or a tube in the interior of a plant structure. canal (Spanish); channel; colpi; colpus; fossula; fossulae; furrow; groove; sulci; sulcus; vallecula; valleculae; 溝 (Japanese) PO:0025133 petiole canal A canal that is part of a petiole. canal de pecíolo (Spanish); 葉柄の溝 (Japanese) PO:0025134 inflorescence branch crown A shoot system that forms the basal part of an inflorescence to which the pedicels are attached and in which the internodes do not elongate, giving the appearance of a ridge of raised tissue. banana crown; corona de la ramificación de la inflorescencia (Spanish); 花序枝 冠 (Japanese); Musa crown PO:0025135 cigar leaf lamina abaxial epidermis A portion of leaf lamina abaxial epidermis that covers the abaxial surface of a cigar leaf. cigar leaf dorsal surface; epidermis abaxial de la lámina de la hoja en cigarro (Spanish); 葉巻状葉の葉身背軸側表皮 (Japanese) PO:0025136 free tepal A tepal (PO:0009033) that is part of a collective tepal structure (PO:0025021), along with a fused collective tepal structure (PO:0025138), but is separate from (PATO:0001505) the other tepals. 遊離花被片 (Japanese); tépalo libre (Spanish) PO:0025137 fused tepal A tepal (PO:0009033) that is part of a fused collective tepal structure (PO:0025138) in which it is fused to at least one other tepal. 融合花被片 (Japanese); tépalo fusionado (Spanish) PO:0025138 fused collective tepal structure A collective tepal structure (PO:0025021) in which there are at least two fused tepals (PO:0025137). compound tepal; connate tepal structure; estrutura colectiva de tépalo fusionado (Spanish); 複数の融合花被片構造 (Japanese); syntepalous perianth PO:0025139 phyllome apex The apical portion of a phyllome. ápice del filoma (Spanish); フィロム頂端 (Japanese) PO:0025140 phyllome base The basal part of a phyllome (PO:0006001), where it attaches to a shoot axis (PO:0025029). フィロム基部 (Japanese); base del filoma (Spanish) PO:0025141 phyllome tip The apical most portion of a phyllome apex. フィロム 先端 (Japanese); punta del filoma (Spanish) PO:0025142 leaf tip A phyllome tip (PO:0025141) that is part of a leaf apex (PO:0020137). 葉端 (Japanese); leaf lamina tip; punta de la hoja (Spanish) PO:0025143 tepal apex A phyllome apex PO:0025139) that is part of a tepal (PO:0009033). ápice del tépalo (Spanish); compound tepal lobe; 花被片頂 (Japanese); free tepal apex PO:0025144 petal apex A phyllome apex (PO:0025139) that is part of a petal (PO:0009032). ápice del pétalo (Spanish); 花弁頂 (Japanese) PO:0025145 sepal apex A phyllome apex that is part of a sepal. ápice del sépalo (Spanish); がく片頂端 (Japanese) PO:0025146 petal base A phyllome base (PO:0025140) that is part of a petal (PO:0009032). base del pétalo (Spanish); 花弁基部 (Japanese) PO:0025147 sepal base A phyllome base that is part of a sepal. がく片基部 (Japanese); base del sépalo (Spanish) PO:0025148 tepal base A phyllome base (PO:0025140) that is part of a tepal (PO:0009033). base del tépalo (Spanish); 花被片基部 (Japanese) PO:0025149 petal tip A phyllome tip that is part of a petal apex. 花弁先端 (Japanese); punta del pétalo (Spanish) PO:0025150 sepal tip A phyllome tip that is part of a sepal apex. がく片先端 (Japanese); punta del sépalo (Spanish) PO:0025151 tepal tip A phyllome tip that is part of a tepal apex. 花被片先端 (Japanese); punta del tépalo (Spanish) PO:0025152 peduncle epidermis A portion of branch epidermis that is part of a peduncle. epidermis del pedúnculo (Spanish); 花梗表皮 (Japanese); peduncle surface PO:0025153 peduncle trichome A shoot axis trichome that is part of a peduncle epidermis. 花梗毛(毛茸、糸状体) (Japanese); peduncle hair; tricoma del pedúnculo (Spanish) PO:0025154 bract apex A phyllome apex (PO:0025139) that is part of a bract (PO:0009055). ápice de la bráctea (Spanish); 苞頂端 (Japanese) PO:0025155 bract base A phyllome base (PO:0025140) that is part of a bract (PO:0009055). base de la bráctea (Spanish); 苞基部 (Japanese) PO:0025156 bract tip A phyllome tip that is part of a bract apex. 苞端 (Japanese); punta de la bráctea (Spanish) PO:0025157 phyllome epidermis A portion of shoot epidermis (PO:0006035) that is part of a phyllome (PO:0006001). フィロム表皮 (Japanese); epidermis del filoma (Spanish) PO:0025158 bract epidermis A portion of phyllome epidermis (PO:0025157) that is part of a bract (PO:0009055). epidermis de la bráctea (Spanish); 苞表皮 (Japanese) PO:0025159 bract abaxial epidermis A portion of bract epidermis that covers the abaxial/lower surface of a bract. bract external face; epidermis abaxial de la bráctea (Spanish); 苞背軸側 表皮 (Japanese) PO:0025160 bract adaxial epidermis A portion of bract epidermis that covers the adaxial/upper surface of a bract. bract internal face; epidermis adaxail de la bráctea (Spanish); 苞向軸側 表皮 (Japanese) PO:0025161 portion of plant substance A portion of organism substance that is or was part of a plant. porción de sustancia vegetal (Spanish); 植物を構成する物質の一部 (Japanese) PO:0025162 multicellular trichome A portion of plant tissue (PO:0009007) that forms a non-sclerified outgrowth from the epidermis (PO:0005679). non-glandular multicelluar trichome; non-secretory multicellular trichome; tricoma multicelular (Spanish); 多細胞毛(毛茸、糸状体) (Japanese) PO:0025164 root epidermal cell An epidermal cell that is part of a root epidermis. célula epidérmica de la raíz (Spanish); 根表皮細胞 (Japanese) PO:0025165 shoot epidermal cell An epidermal cell that is part of a shoot epidermis. シュート表皮 細胞 (Japanese); célula epidérmica del epiblasto (epiblastema) (Spanish) PO:0025169 prickle A portion of epidermis that is a sclerified outgrowth. いが、刺状突起 (Japanese); barb; barbel; barbella; barbellae; barbellula; barbellulae; barbellule; espinilla (Spanish) PO:0025170 root prickle A prickle that is part of a root. espinilla de la raíz (Spanish); 根刺状突起 (Japanese) PO:0025171 shoot axis prickle A prickle that is part of a shoot axis. シュート軸表皮のとげ (Japanese); espinilla del eje del epiblasto (epiblastema) (Spanish) PO:0025172 thorn A branch that is a sclerified, pointed outgrowth. とげ(spine, prickle) (Japanese); barb; barbel; barbella; barbellae; barbellula; barbellulae; barbellule; espina (Spanish) PO:0025173 spine leaf A leaf that is a sclerified and pointed and lacks a lamina. barb; barbel; barbella; barbellae; barbellula; barbellulae; barbellule; espina de hoja (Spanish); 葉針(spine leaf?) (Japanese); leaf spine PO:0025174 spine stipule A stipule that is sclerified and pointed. barb; barbel; barbella; barbellae; barbellula; barbellulae; barbellule; espina de estípula (Spanish); stipule spine; 托葉とげ (Japanese) PO:0025175 leaf prickle A prickle that is part of a leaf. espinilla de la hoja (Spanish); 葉刺状突起 (Japanese) PO:0025176 stem trichome A shoot axis trichome that is part of a stem epidermis. 茎の毛 (Japanese); stem hair; tricoma del tallo (Spanish) PO:0025177 branch trichome A shoot axis trichome that is part of a branch epidermis. branch hair; tricoma de una ramificación (Spanish); 枝の毛 (Japanese) PO:0025178 stem epidermis A portion of shoot axis epidermis that is part of a stem. epidermis del tallo (Spanish); 茎表皮 (Japanese) PO:0025179 branch epidermis A portion of shoot axis epidermis that is part of a branch. epidermis de la ramificación (Spanish); 枝 表皮 (Japanese) PO:0025180 plant axis elongation zone A cardinal organ part that is part of a plant axis that is located directly behind an apical meristem, in which the cells are undergoing longitudinal expansion. zona de elongación del eje de la planta (Spanish); 植物軸伸長帯 (Japanese) PO:0025182 sepal trichome A phyllome trichome that is part of a sepal epidermis. がく片毛(毛茸、糸状体) (Japanese); tricoma de la epidermis del sépalo (Spanish) PO:0025183 leaf stomatal complex A phyllome stomatal complex that is part of a leaf. complejo estomático de la hoja (Spanish); 葉気孔装置 (Japanese); leaf epidermal stomatal complex; leaf epidermis stomatal complex PO:0025185 leaf lamina stomatal complex A leaf stomatal complex that is part of a leaf lamina. complejo estomático de la lámina de la hoja (Spanish); 葉身気孔装置 (Japanese); leaf lamina epidermal stomatal complex; leaf lamina epidermis stomatal complex PO:0025186 phyllome trichome A trichome that is part of a phyllome epidermis. フィロム毛(毛茸、糸状体) (Japanese); tricoma del filoma (Spanish) PO:0025187 petal trichome A phyllome trichome that is part of a petal epidermis. 花弁毛(毛茸、糸状体) (Japanese); tricoma del pétalo (Spanish) PO:0025188 tepal trichome A phyllome trichome that is part of a tepal epidermis. 花被片毛(毛茸、糸状体) (Japanese); tricoma de la epidermis del tépalo (Spanish) PO:0025189 petiole stomatal complex A leaf stomatal complex that is part of a petiole. complejo estomático del pecíolo (Spanish); 葉柄 気孔装置 (Japanese); petiole epidermal stomatal complex; petiole epidermis stomatal complex PO:0025190 leaf abaxial stomatal complex A leaf stomatal complex that is part of a leaf abaxial epidermis. complejo estomático de la superficie abaxial de la hoja (Spanish); 葉背軸側気孔装置 (Japanese); leaf abaxial epidermal stomatal complex; leaf abaxial epidermis stomatal complex PO:0025191 leaf adaxial stomatal complex A leaf stomatal complex that is part of a leaf adaxial epidermis. complejo estomático de la superficie adaxial de la hoja (Spanish); 葉向軸側気孔装置 (Japanese); leaf adaxial epidermal stomatal complex; leaf adaxial epidermis stomatal complex PO:0025192 tepal abaxial epidermis A portion of tepal epidermis that covers the abaxial/lower surface of a tepal. epidermis abaxial del tépalo (Spanish); 花被片背軸側 表皮 (Japanese) PO:0025193 tepal adaxial epidermis A portion of tepal epidermis that covers the adaxial/upper surface of a tepal. epidermis adaxail del tépalo (Spanish); 花被片向軸側 表皮 (Japanese) PO:0025194 root nodule meristem A root meristem that gives rise to a root nodule. meristema del nódulo de la raíz (Spanish); 根粒分裂組織 (Japanese) PO:0025197 stele A cardinal organ part that is the central column of a plant axis that consists of the primary vascular tissue and associated ground tissue. estela (Spanish); 中心柱, central cylinder (Japanese) PO:0025198 shoot axis stele A stele that is part of a shoot axis. シュート軸中心柱 (Japanese); estela del eje del epiblasto (epiblastema) (Spanish) PO:0025199 branch stele A shoot axis stele that is part of a branch. estela de la ramificación (Spanish); 枝中心柱 (Japanese) PO:0025200 stem stele A shoot axis stele that is part of a stem. estela del tallo (Spanish); 茎中心柱 (Japanese) PO:0025201 megasporangium A sporangium in which megaspores are produced. megasporangio (Spanish); 大胞子嚢 (Japanese) PO:0025202 microsporangium A sporangium in which microspores are produced. macrosporangia; macrosporangium; megasporangia; microsporangia; microsporangio (Spanish); 小胞子嚢 (Japanese) PO:0025203 pericarp vascular bundle A vascular bundle (PO:0005020) that is part of a pericarp (PO:0009084). haz vascular del pericarpo (Spanish); 果皮維管束 (Japanese) PO:0025204 rhizome internode A shoot axis internode that is part of a rhizome. internodo del rizoma (Spanish); 根茎節間 (Japanese) PO:0025205 shoot system vascular system A vascular system that is part of a shoot system. シュート系維管系 (Japanese); sistema vascular del sistema del epiblasto (epiblastema) (Spanish) PO:0025206 phyllome vascular system A vascular system that includes the totality of the portions of vascular tissue in their specific arrangement in a phyllome. フィロム維管系 (Japanese); sistema vascular del filoma (Spanish) PO:0025207 tepal vascular system A phyllome vascular system (PO:0025206) that includes the totality of the portions of vascular tissue in their specific arrangement in a tepal (PO:0009033). 花被片維管系 (Japanese); sistema vascular del tépalo (Spanish) PO:0025208 carpel trichome A phyllome trichome that is part of a bract epidermis. tricoma del carpelo (Spanish); 心皮毛(毛茸、糸状体) (Japanese) PO:0025209 stamen trichome A phyllome trichome that is part of a stamen epidermis. 雄蕊毛(毛茸、糸状体) (Japanese); tricoma vascular del estambre (Spanish) PO:0025210 leaf abaxial trichome A leaf trichome that is part of a leaf abaxial epidermis. 葉背軸側毛(毛茸、糸状体) (Japanese); tricoma de la superficie abaxial de la hoja (Spanish) PO:0025211 leaf adaxial trichome A leaf trichome that is part of a leaf adaxial epidermis. 葉向軸側毛(毛茸、糸状体) (Japanese); tricoma de la superficie adaxial de la hoja (Spanish) PO:0025212 leaf pavement cell An epidermal pavement cell that is part of a leaf epidermis. célula de pavimento de la hoja (Spanish); 葉被蓋細胞 (Japanese) PO:0025213 leaf abaxial pavement cell A leaf pavement cell that is part of a leaf abaxial epidermis. célula de pavimento de la superficie abaxial de la hoja (Spanish); 葉背軸側被蓋細胞 (Japanese) PO:0025214 leaf adaxial pavement cell A leaf pavement cell that is part of a leaf adaxial epidermis. célula de pavimento de la superficie adaxial de la hoja (Spanish); 葉向軸側被蓋細胞 (Japanese) PO:0025215 phyllome stomatal complex A stomatal complex (PO:0002000) that is part of a phyllome (PO:0006001). フィロム 気孔装置 (Japanese); complejo estomático del filoma (Spanish); phyllome epidermal stomatal complex; phyllome epidermis stomatal complex PO:0025216 bract stomatal complex A phyllome stomatal complex (PO:0025215) that is part of a bract (PO:0009055). bract epidermal stomatal complex; bract epidermis stomatal complex; complejo estomático de la bráctea (Spanish); 苞気孔装置 (Japanese) PO:0025222 reproductive shoot apex A shoot apex that has as part a reproductive shoot apical meristem. ápice reproductivo del epiblasto (epiblastema) (Spanish); 生殖シュート頂、茎頂 (Japanese) PO:0025223 vegetative shoot apex A shoot apex that has as part a vegetative shoot apical meristem. ápice vegetativo del epiblasto (epiblastema) (Spanish); 栄養シュート頂、栄養枝頂 (Japanese) PO:0025224 axil A plant anatomical space that is the space between a shoot axis and a leaf, bract, or branch that branches from the shoot axis. axila (Spanish); 腋、軸 (Japanese) PO:0025225 bract axil An axil that is the space between a shoot axis and a bract that branches from the shoot axis. axila de la bráctea (Spanish); 苞腋 (Japanese) PO:0025226 branch axil An axil that is the space between a shoot axis and a branch that branches from the shoot axis. axila de la ramificación (Spanish); 枝腋 (Japanese) PO:0025227 tetrad of megaspores A portion of plant tissue consisting of four megaspores that remained joined together shortly after meiosis. One cell will give rise to a female gametophyte. tétrada de megasporas (Spanish); 大胞子の四分子 (Japanese) PO:0025228 valve A cardinal organ part that is a part of a plant structure that splits apart when the structure dehisces. valva (Spanish); 弁 (Japanese) PO:0025229 spore capsule valve A valve that is a part of a spore capsule that splits apart when the spore capsule dehisces. コケ類 蒴(さく)弁 (Japanese); valva de la cápsula de musgo (Spanish) PO:0025230 columella A portion of plant tissue that forms the central axis of a plant structure such as a fruit or moss capsule. columela (Spanish); 軸柱、柱軸 (Japanese); portion of columella tissue PO:0025231 spore capsule columella A columella that forms the central axis of a spore capsule. コケ類 蒴(さく)軸柱 (Japanese); columela de la cápsula de musgo (Spanish) PO:0025233 portion of embryo plant tissue A portion of plant tissue that is part of a plant embryo. portion of embryo tissue; portion of embryonic plant tissue; tejido embriónico vegetal (Spanish); 植物胚性組織 の一部 (Japanese) PO:0025234 phyllome stomatal pore A stomatal pore that is part of a phyllome stomatal complex. フィロム 気孔開口部 (Japanese); poro estomático del filoma (Spanish) PO:0025235 leaf stomatal pore A phyllome stomatal pore that is part of a leaf stomatal complex. 葉気孔開口部 (Japanese); poro estomático de la hoja (Spanish) PO:0025236 phyllome guard cell A guard cell that is part of a phyllome stomatal complex. フィロム孔辺細胞 (Japanese); célula guardiana del filoma (Spanish) PO:0025237 leaf guard cell A phyllome guard cell that is part of a leaf stomatal complex. célula guardiana de la hoja (Spanish); 葉孔辺細胞 (Japanese) PO:0025238 abaxial petiole canal A petiole canal on the abaxial surface of a petiole. canal abaxial del pecíolo (Spanish); 背軸側葉柄管 (Japanese) PO:0025239 adaxial petiole canal A petiole canal on the adaxial surface of a petiole. canal adaxial del pecíolo (Spanish); 向軸葉柄管 (Japanese) PO:0025240 second order inflorescence A reproductive shoot system (PO:0025082) that is part of an inflorescence (PO:0009049) and has as parts a second order inflorescence axis (PO:0006321) and any shoot axes (PO:0025029) and flowers (PO:0009046) that arise from it. 第二花序 (Japanese); inflorescencia de segundo orden (Spanish); secondary inflorescence PO:0025241 second order infructescence A reproductive shoot system that is part of an infructescence and has as parts a second order infructescence axis and any infructescence axes and fruits that arise from it. 第二果序 (Japanese); hand of bananas; hand of fruit; infructescencia de segundo orden (Spanish); secondary infructescence PO:0025242 infructescence axis A shoot axis (PO:0025029) that is part of an infructescence (PO:0006342). eje de la infructescencia (Spanish); 果序軸 (Japanese) PO:0025243 infructescence branch An infructescence axis (PO:0025242) that is a branch (PO:0025073) from a primary or higher order infructescence axis. ramificación de la infructescencia (Spanish); 果序枝 (Japanese) PO:0025244 first order infructescence axis An infructescence axis that is the primary or main axis of an infructescence. 第一果序軸 (Japanese); eje de la infructescencia de primer orden (Spanish); infructescence rachis PO:0025245 persistent sepal A phyllome that develops from a sepal and remains attached to a fruit at maturity. flower relict; sépalo persistente (Spanish); 宿存がく片 (Japanese) PO:0025246 persistent tepal A phyllome (PO:0006001) that develops from a tepal (PO:0009033) and remains attached to a fruit (PO:0009001) at maturity. flower relict; tépalo persistente (Spanish); 宿存花被片 (Japanese) PO:0025247 persistent stamen A phyllome that develops from a stamen and remains attached to a fruit at maturity. estambre persistente (Spanish); flower relict; 宿存雄蕊 (Japanese) PO:0025248 pseudostem A collective organ part structure that forms a cylindrical false stem composed concentric leaf sheaths. pseudotallo (Spanish); 偽茎 (Japanese) PO:0025249 leaf sheath epidermis A portion of leaf epidermis that is part of a leaf sheath. epidermis de la vaina de la hoja (Spanish); 葉鞘表皮 (Japanese) PO:0025250 leaf sheath abaxial epidermis A portion of leaf sheath epidermis that covers the abaxial/lower surface of a leaf sheath. epidermis abaxial de la vaina de la hoja (Spanish); 葉鞘背軸側表皮 (Japanese); pseudostem underlayers PO:0025251 leaf sheath adaxial epidermis A portion of leaf sheath epidermis that covers the adaxial/upper surface of a leaf sheath. epidermis adaxial de la vaina de la hoja (Spanish); 葉鞘向軸側表皮 (Japanese) PO:0025252 sixth order infructescence branch An infructescence branch (PO:0025243) arising from a fifth order infructescence branch (PO:0025116). 第六果序分枝 (Japanese); ramificacion de sexto orden de la infructescencia (Spanish) PO:0025253 seventh order infructescence branch An infructescence branch (PO:0025243) arising from a sixth order infructescence branch (PO:0025252). 第七果序分枝 (Japanese); ramificacion de séptimo orden de la infructescencia (Spanish) PO:0025254 eighth order infructescence branch An infructescence branch (PO:0025243) arising from a seventh order infructescence branch (PO:0025253). 第八果序分枝 (Japanese); ramificacion de octava orden de la infructescencia (Spanish) PO:0025255 ninth or higher order infructescence branch An infructescence branch (PO:0025243) arising from an eighth order infructescence branch (PO:0025254) or higher. 第十以上の果序軸 (Japanese); ramificacion de noveno o superior orden de la infructescencia (Spanish) PO:0025258 procambial cell A meristematic cell that is part of a portion of procambium. célula del procambio (Spanish); procambium cell; 前形成層細胞 (Japanese) PO:0025259 leaf procambium A portion of shoot procambium tissue that is part of a leaf. 葉前形成層 (Japanese); procambio de la hoja (Spanish) PO:0025260 shoot axis procambium A portion of shoot procambium that is part of a shoot apical meristem and gives rise to the primary vascular tissue of a shoot axis. シュート軸前形成層 (Japanese); procambio del eje del epiblasto (Spanish) PO:0025261 pericycle cell A ground tissue cell that is part of a portion of pericycle. célula del periciclo (Spanish); 内鞘細胞 (Japanese) PO:0025263 locule A plant anatomical space that is a cavity a reproductive structure. lóculo (Spanish); loculus; 室 (Japanese) PO:0025264 anther locule A sporangium locule that is part of an anther and is a cavity within a single pollen sac or two or more fused pollen sacs. 葯室 (Japanese); lóculo del esporangio (Spanish); pollen sac locule; sporophyll locule PO:0025265 sporangium locule A locule that is a cavity in a sporangium or several fused sporangia. 胞子嚢室 (Japanese); lóculo de la antera (Spanish); spore capsule locule PO:0025266 ovary locule A locule that is a cavity in an ovary. lóculo del ovario (Spanish); sporophyll locule; 子房室 (Japanese) PO:0025269 collective organ part structure A collective plant structure (PO:0025497) composed of two or more cardinal organ parts (PO:0025001) that are part of adjacent plant organs (PO:0009008) and any associated portions of plant tissue (PO:0009007). órgano colectivo de una parte de la estructura (Spanish); 集合的器官の部分構造 (Japanese) PO:0025270 fruit locule A locule that is a cavity in a fruit and develops from an ovary locule. lóculo del fruto (Spanish); 果実室 (Japanese) PO:0025273 stem procambium A portion of shoot axis procambium gives rise to the primary vascular tissue of a stem. 茎前形成層 (Japanese); procambio del tallo (Spanish) PO:0025274 branch procambium A portion of shoot axis procambium gives rise to the primary vascular tissue of a branch. procambio de la ramificación (Spanish); 枝前形成層 (Japanese) PO:0025278 rhizome scale leaf A scale leaf that grows from a rhizome. hoja escamosa del rizoma (Spanish); 根茎鱗片葉 (Japanese) PO:0025285 callus parenchyma cell A parenchyma cell that is part of a plant callus. カルス柔組織細胞 (Japanese); célula parenquimática del callo (Spanish) PO:0025286 embryo coleoptile A coleoptile (PO:0020033) that is part of a plant embryo (PO:0009009). coleóptile del embrión (Spanish); embryonic coleoptile; 胚子葉鞘、胚鞘葉 (Japanese) PO:0025287 seedling coleoptile A coleoptile (PO:0020033) that is part of a whole plant (PO:0000003) in the seedling development stage (PO:0007131). coleóptile de la plántula (Spanish); 実生幼葉鞘 (Japanese) PO:0025288 embryo coleorhiza A coleorhiza (PO:0020034) that is part of a plant embryo (PO:0009009). coleorriza del embrión (Spanish); embryonic coleorhiza; 胚根鞘 (Japanese) PO:0025289 seedling coleorhiza A coleorhiza (PO:0020034) that is part of a whole plant (PO:0000003) in the seedling development stage (PO:0007131). coleorriza de la plántula (Spanish); 実生根鞘 (Japanese) PO:0025290 embryo hypocotyl A hypocotyl (PO:0020100) that is part of a plant embryo (PO:0009009). embryonic hypocotyl; 胚下胚軸 (Japanese); hipocótile del embrión (Spanish) PO:0025291 seedling hypocotyl A hypocotyl (PO:0020100) that is part of a whole plant (PO:0000003) in the seedling development stage (PO:0007131). hipocótile de la plántula (Spanish); 実生胚軸 (Japanese) PO:0025292 embryo epicotyl An epicotyl (PO:0020035) that is part of a plant embryo (PO:0009009). embryonic epicotyl; epicótile del embrión (Spanish); 胚上胚軸 (Japanese) PO:0025293 seedling epicotyl An epicotyl (PO:0020035) that is part of a whole plant (PO:0000003) in the seedling development stage (PO:0007131). epicótile de la plántula (Spanish); 実生上胚軸 (Japanese) PO:0025294 embryo mesocotyl A mesocotyl that is part of a plant embryo. embryonic mesocotyl; 胚中茎、胚中胚軸 (Japanese); mesocótile del embrión (Spanish) PO:0025295 seedling mesocotyl A mesocotyl that develops from an embryonic mesocotyl. mesocótile de la plantual (Spanish); 実生中胚軸 (Japanese) PO:0025296 embryo radicle A radicle (PO:0020031) that is part of a plant embryo (PO:0009009). embryonic radicle; 胚幼根 (Japanese); radícula del embrión (Spanish) PO:0025297 seedling radicle A radicle (PO:0020031) that is part of a whole plant (PO:0000003) in the seedling development stage (PO:0007131). radícula de la plántula (Spanish); 実生幼根 (Japanese) PO:0025298 fruit operculum A collective organ part structure that is the apical part of a circumsessile capsular fruit that separates from the rest of the capsule during dehiscence. fruit lid; fruit opercula; opérculo del fruto (Spanish); 果蓋 (Japanese) PO:0025299 calyptra perianth OBSOLETE. A fused perianth that is composed of fused sepals or petals and located on top of a gynoecium that contains an inferior ovary. angiosperm calyptra; caliptra del perianto (Spanish); 蘚帽花蓋、花被 (Japanese); floral calyptra; floral operculum; flower calyptra; flower operculum PO:0025329 calyptra calyx A fused calyx (PO:0025582) that is composed of fused sepals (PO:0025584). caliptra cáliz (Spanish); calycine operculum; calyx calyptrae; 蘚帽がく (Japanese); operculum calyx; outer operculum PO:0025330 calyptra corolla A fused corolla (PO:0025581) that is composed of fused petals (PO:0025583). caliptra corola (Spanish); corolla calyptrae; corolline operculum; 蘚帽花冠 (Japanese); inner operculum; operculum corolla PO:0025300 embryo hypocotyl-root junction A hypocotyl-root junction that is part of an embryo axis. conjunción del hipocótile-raíz en el embrión (Spanish); embryonic hypocotyl-root junction; 胚下胚軸-根合流点 (Japanese) PO:0025301 seedling hypocotyl-root junction A hypocotyl-root junction that develops from an embryonic hypocotyl-root junction. conjunción del hipocótile-raíz en la plántula (Spanish); 実生胚軸-根合流点 (Japanese) PO:0025302 somatic plant embryo A plant embryo that arises from previously differentiated somatic cells, rather than from fused gametes, i.e. the zygote. apomictic plant embryo; embrión somático vegetal (Spanish); somatic embryo; 体細胞plant胚 (Japanese) PO:0025303 zygotic plant embryo A plant embryo that forms as a result of the fusion of gametes. embrión somático cigotico (del cigote) (Spanish); zygotic embryo; 接合体植物胚 (Japanese) PO:0025304 cultured zygote-derived plant embryo A zygotic plant embryo that is grown or maintained in vitro. cultured zygote-derived embryo; cultured zygotic embryo; embrión cultivado derivado del cigoto vegetal (Spanish); 培養接合子由来植物胚 (Japanese) PO:0025305 microspore-derived cultured plant embryo A cultured somatic plant embryo that develops from isolated microspores. embrión cultivado derivado de la microspora vegetal (Spanish); microspore-derived cultured embryo; microspore-derived haploid embryo; 小胞子由来培養植物胚 (Japanese) PO:0025306 sporangium wall A cardinal organ part that is composed of the outer layers of a sporangium and bounds the archesporium or spores. 胞子嚢壁 (Japanese); pared del esporangio (Spanish); sporangium jacket layer; sporangium jacket layers PO:0025307 microsporangium wall A sporangium wall that is part of a microsporangium. pared del microsporangio (Spanish); 小胞子嚢壁 (Japanese) PO:0025308 megasporangium wall A sporangium wall that is part of a megasporangium. pared del megasporangio (Spanish); 大胞子嚢壁 (Japanese) PO:0025309 microsporangium endothecium An endothecium that is part of a microsporangium wall. endotecio del microsporangio (Spanish); 小胞子嚢内皮 (Japanese) PO:0025310 megasporangium endothecium An endothecium that is part of a megasporangium wall. endotecio del megasporangio (Spanish); 大胞子嚢内皮 (Japanese) PO:0025311 microsporangium exothecium An exothecium that is part of a microsporangium wall. exotecio del microsporangio (Spanish); microsporangial exothecium; microsporangium epidermis; 小胞子嚢外皮 (Japanese) PO:0025312 megasporangium exothecium An exothecium that is part of a megasporangium wall. exotecio del megasporangio (Spanish); megapsorangial exothecium; megasporangium epidermis; 大胞子嚢外皮 (Japanese) PO:0025313 tapetum A portion of ground tissue (PO:0025059) that is the inner-most layer of a sporangium wall (PO:0025306). 絨毯組織、タペート組織 (Japanese); tapeto (Spanish) PO:0025314 microsporangium tapetum An tapetum (PO:0025313) that is part of a microsporangium wall (PO:0025307). tapeto del microsporangio (Spanish); 小胞子嚢絨毯組織(タペート組織) (Japanese) PO:0025315 megasporangium tapetum A tapetum (PO:0025313) that is part of a megasporangium wall (PO:0025308). tapeto del megasporangio (Spanish); 大胞子嚢嚢絨毯組織(タペート組織) (Japanese) PO:0025316 axillary hair A multicellular trichome (PO:0025162) that has as parts a long terminal cell atop a basal stalk and grows in a leaf axil (PO:0009023). 腋毛 (Japanese); pelo axilar (Spanish) PO:0025317 axillary hair terminal cell A trichome cell (PO:0008030) that is the long terminal cell of an axillary hair (PO:0008030). célula terminal del pelo axilar (Spanish); 腋毛終端細胞 (Japanese) PO:0025318 axillary hair base A portion of plant tissue that is the basal part of an axillary hair, below the axillary hair terminal cell. base del pelo axilar (Spanish); 腋毛基底 (Japanese) PO:0025319 axillary hair basal cell A trichome cell (PO:0008030) that is part of a base of an axillary hair (PO:0025316). axillary hair base cell; célula basal del pelo axilar (Spanish); 腋毛基底細胞 (Japanese) PO:0025320 cotyledonary node rhizoid An epidermal rhizoid that grows form a cotyledonary node. collar rhizoid; rizoide del nodo del cotiledón (Spanish); wurtzelhalsrhizoid; 子葉節仮根 (Japanese) PO:0025321 cotyledonary node A stem node from which one or more cotyledons grow. nodo del cotiledón (Spanish); 子葉節 (Japanese) PO:0025322 hydathode pore A plant anatomical space that is an opening in a hydathode. poro del hidatodo (Spanish); 排水組織孔 (Japanese) PO:0025323 flower fascicle A reproductive shoot system that is a second or higher order inflorescence in which the second or higher order inflorescence branch bears two or more flowers but is not elongated. bundle; 花束 (Japanese); fascículo floral (Spanish); floral fascicle PO:0025324 banner petal A petal (PO:0009032) that is the top-most petal of a papilionaceous corolla (PO:0009059). banner; pétalo estandarte (Spanish); standard; vexilla; vexillum; 旗弁 (Japanese) PO:0025325 wing petal One of two lateral petals (PO:0009032) that is adjacent to the banner petal of a papilionaceous corolla (PO:0009059). ala; alae; 翼弁 (Japanese); pétalo ala (Spanish) PO:0025326 keel petal A petal (PO:0009032) that is one of the two lowest petals of a papilionaceous corolla (PO:0025324). carina; carinae; pétalo quilla (Spanish); 杯状花弁、竜骨弁 (Japanese) PO:0025327 keel A boat-shaped collective phyllome structure (PO:0025023) that consists of the two lowest petals (PO:0009032) of a papilionaceous corolla (PO:0009059). 竜骨(イネ科)、舟弁(マメ科) (Japanese); quilla (Spanish) PO:0025328 unifacial vascular leaf A vascular leaf that has increased activity of either the adaxial or abaxial meristem early in development, leading to absence of the opposite surface on the mature leaf. hoja unifacial; hoja unifacial EXACT Spanish [POC:Maria_Alejandra_Gandolfo] (Spanish); unifacial leaf; 単面維管束系葉 (Japanese) PO:0025331 ray flower A small flower on the margin of a head-type inflorescence (capitulum). 舌状花 (Japanese); flor del rayo (Spanish); ray floret PO:0025332 disk flower A small flower in the center of a head-type inflorescence (capitulum). disc floret; disk floret; flor del disco (Spanish); 中心花 (Japanese) PO:0025333 ensiform vascular leaf A unifacial leaf that is flat in cross section due to a lamina that develops in a median plane (perpendicular to the axis), rather a transverse plane (tangent to the axis) throughout all of part of the length of the leaf. 維管束系剣状葉 (Japanese); ensiform leaf; hoja ensiforme; hoja ensiforme EXACT Spanish [POC:Maria_Alejandra_Gandolfo] (Spanish) PO:0025334 terete vascular leaf A unifacial leaf that is round in cross section throughout all of part of the length of the leaf. 維管束系円柱形葉 (Japanese); hoja cilíndrica; hoja cilíndrica EXACT Spanish [POC:Maria_Alejandra_Gandolfo] (Spanish); terete leaf PO:0025335 phyllode leaf An adult ensiform leaf with a lamina that develops in a median plane, rather a transverse plane, throughout the length of the leaf and is a result of increased activity of the adaxial meristem early in development. adult phyllode leaf; 葉化葉? (Japanese); filodio; filodio EXACT Spanish [POC:Maria_Alejandra_Gandolfo] (Spanish); phyllode; phyllodia; phyllodium PO:0025336 transition phyllode leaf A transition vascular leaf in which the basal portion of the leaf has unifacial lamina development in a median plane, similar to a phyllode, and the apical portion of the leaf develops leaflets similar to a juvenile leaf. 移行期の葉化葉 (Japanese); filodio transicional; filodio transicional EXACT Spanish [POC:Maria_Alejandra_Gandolfo] (Spanish); transition phyllode PO:0025348 phyllome lamina vein A vascular bundle (PO:0005020) that is part of a phyllome lamina (PO:0025396). フィロム葉身脈 (Japanese); vena del filoma laminar (Spanish) PO:0025349 awn A cardinal organ part that is a slender, more or less straight and stiff, fine-pointed, terminal or subterminal appendage of a glume, lemma, or palea. arista; arista (Spanish); bristle; 芒 (Japanese); seta; setae PO:0025350 palea awn An awn that is part of a palea. arista de la palea (Spanish); 内頴芒 (Japanese) PO:0025351 glume awn An awn that is part of a glume. arista de la gluma (Spanish); 苞頴芒 (Japanese) PO:0025352 tubercle An enlarged leaf base (PO:0020040) that is fused with adjacent shoot axis (PO:0025029) tissue. podaria; podarium; 小塊茎、塊根 (Japanese) PO:0025353 areole bud An axillary vegetative bud (PO:0004712) that is not elongated, in which the vascular leaves (PO:0009025) develop as spine leaves (PO:0025173). areola de la yema (Spanish); 刺座、アレオール (Japanese) PO:0025354 cladode A shoot axis that is flattened and expanded. cladodio (Spanish); cladophyll; phylloclade; 扁茎、仮葉枝、葉状茎 (Japanese) PO:0025355 corm A shoot system (PO:0009006) that has as parts a short, enlarged stem (PO:0009047) in which the shoot internodes (PO:0005005) do not elongate, and one or more buds (PO:0000055). cormel; cormlet; cormo (Spanish); 球茎 (Japanese); diaspore; pseudobulb PO:0025356 bulb A short, enlarged shoot system (PO:0009006) that has as parts a short stem (PO:0009047) in which the shoot internodes (PO:0005005) do not elongate, and one or more buds (PO:0000055) enclosed by fleshy leaves (PO:0009025) or leaf bases (PO:0020040). bulbet; bulbo (Spanish); 球根、鱗茎 (Japanese); diaspore PO:0025357 pneumatophore A lateral root that is erect and protrudes above the soil or water. breathing root; 通気根、呼吸根 (Japanese); knee root PO:0025358 pneumatorhiza A small lateral root that grows from a prop root and has a mealy surface texture. pneumatorhizae; 支持根から出る側根 (Japanese) PO:0025359 sorus A collective plant organ structure (PO:0025007) on the surface of a vascular leaf (PO:0009025) that has as part a cluster of two or more adjacent sporangia PO:0025094). 生殖器群、造精器群、胞子嚢群 (Japanese); sori PO:0025360 ceonosorus A collective plant organ structure (PO:0025007) on the surface of a vascular leaf that has as parts two or more fused sori (PO:0025359). ceonosoro (Spanish); coenosori; 融合胞子嚢を有する維管束葉表面の集合構造 (Japanese) PO:0025361 leaf tendril A vascular leaf that is slender and coiling and lacks a lamina. 葉巻きひげ (Japanese); hoja en zarzillo (Spanish); tendril PO:0025362 leaflet tendril A leaflet that is slender and coiling and lacks a lamina. fol#237olo en zarzillo (Spanish); tendril; 小葉巻きひげ、若葉巻きひげ (Japanese) PO:0025363 leaf apex tendril A leaf apex of a laminar vascular leaf that is slender and coiling. ápice en zarzillo de la hoja (Spanish); 葉先巻きひげ (Japanese); tendril PO:0025364 branch tendril A branch that is slender and coiling. rama en zarzillo (Spanish); tendril; 枝巻きひげ (Japanese) PO:0025365 stem apex tendril A shoot axis that arises from the apical part of a stem and is slender and coiling. ápice en zarzillo del tallo (Spanish); 茎頂端巻きひげ (Japanese); tendril PO:0025366 leaf rachis tendril A leaf rachis that is slender and coiling and lacks a lamina. 葉軸巻きひげ (Japanese); raquis en zarzillo de la hoja (Spanish); tendril PO:0025367 prophyll tendril A prophyll that is slender and coiling and lacks a lamina. profilo en zarzillo (Spanish); tendril; 前葉巻きひげ、前出葉巻きひげ (Japanese) PO:0025378 arillode An arilloid that is an elaborate outgrowth of a seed at the micropylar end. ariloide (Spanish); 偽種衣 偽仮種皮 アリロード (Japanese) PO:0025379 intercellular space A plant anatomical space that is part of a portion of plant tissue between two or more cells. 細胞間間隙 (Japanese); espacio intercelular (Spanish) PO:0025380 leaf mesophyll intercellular space An intercellular space that is part of a leaf mesophyll. espacio intercelular en el mesófilo de la hoja (Spanish); 葉肉細胞内空間(間隙) (Japanese) PO:0025381 spongy mesophyll intercellular space A leaf mesophyll intercellular space that is part of a spongy mesophyll. espacio intercelular en el mesófilo esponjoso de la hoja (Spanish); 海綿状葉肉細胞間間隙 (Japanese) PO:0025382 substomatal cavity An intercellular space that is located directly below and contiguous with a stomatal pore. cavidad subestomática (Spanish); 気孔下腔、呼吸腔 (Japanese) PO:0025383 phyllome sinus A plant anatomical space that is a phyllome marginal embayment, incision or indentation between marginal projections of any sort, typically lobes, teeth, or the base of cordate phyllomes. seno del filoma (Spanish); フィロム洞 (Japanese) PO:0025384 leaf sinus A phyllome sinus that is a marginal embayment, incision or indentation between marginal projections of any sort, typically lobes, teeth, or the base of cordate leaves. 葉洞、溝? (Japanese); seno de la hoja (Spanish) PO:0025385 cutin A portion of plant substance that is the inner layer of a cuticle, composed of a polyester matrix of hydroxy- and hydroxy epoxy fatty acid C16 and C18 chains. クチン (Japanese); cutin matrix PO:0025386 cuticular wax A portion of plant substance comprised predominantly of very long chain aliphatic lipids and is part of a plant cuticle. クチクラワックス (Japanese); cera cuticular (Spanish) PO:0025387 plant cuticle proper A portion of plant substance that is the inner layer of a cuticle, composed primarily of cutin, embedded and overlayed with cuticular wax. cutícula propia de la planta (Spanish); cuticle proper; cutin matrix; 植物クチクラproper (Japanese) PO:0025388 epicuticular wax A portion of cuticular wax that forms crystalloids or a smooth film on the exterior of a cuticle. エピクチクラワックス (Japanese); cera epicuticular (Spanish) PO:0025389 intercuticular wax A portion of cuticular wax that is an amorphous mixture of lipids embedded in the cutin of a cuticle proper. クチクラ層間ワックス (Japanese); cera intercuticular (Spanish) PO:0025390 free ending veinlet A leaf lamina vein (PO:0020138) above the first order that is connected to another vein only at one end. 自由端細脈 (Japanese); free ending vein; freely ending vein PO:0025391 phyllome lamina areole A cardinal organ part (PO:0025001) that is part of a phyllome lamina (PO:0025396) and is completely surrounded by phyllome lamina veins (PO:0025348) and cannot be divided into any smaller parts that are completely surrounded by phyllome lamina veins. areola de la lámina (Spanish); フィロム葉身網目隙 (Japanese) PO:0025392 leaf lamina areole A phyllome lamina areole (PO:0025391) that is part of a leaf lamina (PO:0020039) and is completely surrounded by leaf lamina veins (PO:0020138) and cannot be divided into any smaller parts that are completely surrounded by leaf lamina veins. areola de la lámina foliar (Spanish); 葉身網目隙 (Japanese) PO:0025393 pappus A collective organ part structure that has a parts one or more pappus elements (scales, awns, or bristles) at the apex of an inferior ovary just beneath or outside the corolla. pappi; 冠毛 (Japanese) PO:0025394 pappus element A cardinal organ part that is a segment of a pappus. elemento del papu (Spanish); pappus awn; pappus bristle; pappus scale; 冠毛の要素 (Japanese) PO:0025395 floral organ A plant organ (PO:0009008) that is part of a flower (PO:0009046). órgano floral (Spanish); 花器官 (Japanese); flower organ PO:0025396 phyllome lamina An organ lamina (PO:0025513) that is part of a phyllome (PO:0006001). フィロム葉身 (Japanese); filoma laminar (Spanish) PO:0025397 palisade mesophyll intercellular space A leaf mesophyll intercellular space that is part of a palisade mesophyll. espacio intercelular del mesófilo en palisada (Spanish); 柵状葉肉細胞間間隙 (Japanese) PO:0025398 phyllome substomatal cavity A substomatal cavity that is part of a phyllome. フィロム気孔下腔、フィロム呼吸腔 (Japanese); cavidad subestomática del filoma (Spanish) PO:0025399 leaf substomatal cavity A phyllome substomatal cavity that is part of a leaf mesophyll. cavidad subestomática de la hoja (Spanish); 葉気孔下腔, 呼吸腔 (Japanese) PO:0025400 phyllome adaxial meristem A portion of meristem tissue (PO:0009013) that is found on the adaxial side of a developing phyllome (PO:0006001). フィロム向軸側分裂組織 (Japanese); meristema adaxial del filoma (Spanish); phyllome adaxial rounding meristem; phyllome adaxial unifacial meristem PO:0025401 leaf adaxial meristem A portion of phyllome adaxial meristem (PO:0025400) tissue that is found on the adaxial side of a developing vascular leaf (PO:0009025). 葉向軸側分裂組織 (Japanese); leaf adaxial rounding meristem; leaf adaxial unifacial meristem; leaf ventral meristem PO:0025402 phyllome abaxial meristem A portion of meristem tissue (PO:0009013) that is found on the abaxial side of a developing phyllome (PO:0006001). フィロム背軸側分裂組織 (Japanese); meristema abaxial del filoma (Spanish); phyllome abaxial rounding meristem; phyllome abaxial unifacial meristem PO:0025403 leaf abaxial meristem A portion of phyllome abaxial meristem (PO:0025402) tissue that is found on the abaxial side of a developing vascular leaf (PO:0009025). 葉背軸側分裂組織 (Japanese); leaf abaxial rounding meristem; leaf abaxial unifacial meristem PO:0025404 phyllome marginal meristem A portion of meristem (PO:0009013) tissue that is part of a phyllome margin (PO:0025018) of an expanding phyllome (PO:0006001) and has as parts marginal and submarginal initials. フィロム縁分裂細胞 (Japanese); meristema marginal del filoma (Spanish); phyllome margin meristem PO:0025405 leaf marginal meristem A portion of phyllome marginal meristem (PO:0025404) tissue that is part of a leaf margin (PO:0025009) of a vascular leaf (PO:0009025) during a leaf expansion stage (PO:0001052) and has parts marginal and submarginal initials. 葉縁分裂組織 (Japanese); leaf margin blastozone; leaf margin meristem PO:0025408 primary vascular tissue A portion of vascular tissue (PO:0009015) that develops from a procambium (PO:0025275). tejido vascular primario (Spanish); 一次維管組織 (Japanese) PO:0025409 secondary vascular tissue A portion of vascular tissue (PO:0009015) that develops from a vascular cambium (PO:0005598). tejido vascular secundario (Spanish); 二次維管組織 (Japanese) PO:0025410 axial system A portion of secondary vascular tissue (PO:0025409) that has as parts cells derived from fusiform initials (PO:0000079) and oriented with their longest diameter parallel to a plant axis (PO:0025004). 軸系 (Japanese); longitudinal system; sistema axial (Spanish); vertical system PO:0025411 ray system A portion of secondary vascular tissue (PO:0025409) that has as part ray wood parenchyma (PO:0004534) and extends radially in the secondary xylem (PO:0005848) and secondary phloem (PO:0005848) of a plant axis (PO:0025004). horizontal system; radial system; ray; 放射状組織 (Japanese) PO:0025412 albuminous cell A parenchyma cell (PO:0000074) that is morphologically and physiologically associated with a sieve cell (PO:0025415) but does is not derived from the same initial cell (PO:0004011) as the sieve cell. célula albuminosa (Spanish); 有胚乳細胞 (Japanese) PO:0025413 primary leaf vein A leaf lamina vein (PO:0020138) that connects directly to a petiole vascular system (PO:0000052) or a shoot axis vascular system (PO:0000039). vena primaria de la hoja (Spanish); 一次葉脈 (Japanese) PO:0025414 secondary thickening meristem A lateral meristem (PO:0020145) that is not contiguous with an apical meristem (PO:0020144) and has a parts multiple layers of meristematic cells (PO:0004010). meristema de engrosamiento secundario (Spanish); STM; 二次 肥厚分裂組織 (Japanese) PO:0025415 sieve cell A sieve element (PO:0025406) in which the sieve areas are not aggregated into sieve plates (GO:0097218). célula cribosa (Spanish); 師(篩)細胞 (Japanese) PO:0025416 sieve tube A portion of phloem tissue (PO:0005417) that has as parts a series of sieve tube elements (PO:0000289) arranged end to end and interconnected through sieve plates. tubo criboso (Spanish); 師(篩)管 (Japanese) PO:0025417 xylem vessel A portion of xylem (PO:0005352) tissue that has as parts a tube-like series of vessel members (PO:0002003), the common walls of which have perforations. vaso xilem&$225tico (Spanish); vessel; 木質部導管 (Japanese) PO:0025418 sclerid cell A sclerenchyma cell (PO:0000077) with many pits in the secondary cell wall. esclereida (Spanish); sclereid; sclerid; 厚膜細胞(scleroid?) (Japanese) PO:0025419 septate fiber tracheid A fiber tracheid (PO:0000355) that has as parts one or more thin internal partitions or septa. 隔壁繊維仮導管 (Japanese); fibro-traqueida septada (Spanish) PO:0025420 septate libriform fiber cell A libriform fiber cell (PO:0004520) that has as parts one or more thin internal partitions or septa. 隔壁靭皮繊維細胞 (Japanese); fibra libriforme septada (Spanish) PO:0025421 septate phloem fiber cell A phloem fiber cell (PO:0004519) that has as parts one or more thin internal partitions or septa. 隔壁師部 fiber cell (Japanese); fibra del floema septada (Spanish) PO:0025422 gelatinous fiber cell A xylem fiber cell (PO:0000274) in which the inner-most layer of the secondary cell wall (GO:0009531) contains abundant cellulose and is poor in lignin. 膠質繊維細胞 (Japanese); fibra gelatinosa (Spanish); gelatinous fiber; mucilaginous fiber cell PO:0025428 phyllome plate meristem A portion of meristem (PO:0009013) tissue in which the planes of cell division in each layer are anticlinal to the surface of the phyllome (PO:0006001). フィロムplate分裂細胞 (Japanese); meristema en placa del filoma (Spanish) PO:0025429 leaf plate meristem A phyllome plate meristem (PO:0025428) in the vascular leaf (PO:0009025). 葉の板状分裂組織 (Japanese); meristema en placa de la hoja (Spanish) PO:0025430 phyllome anlagen A portion of meristem (PO:0009013) tissue that is part of a part_of peripheral zone (PO:0000225) and will give rise to a phyllome primordium (PO:0025128). フィロム原基 (Japanese); phyllome meristem PO:0025431 vascular leaf anlagen A phyllome anlagen (PO:0025430) that will give rise to a vascular leaf primordium (PO:0000017) and is part of a peripheral zone (PO:0000225) of a vegetative shoot apical meristem (PO:0008016). 維管束系葉原基 (Japanese); leaf meristem PO:0025432 cotyledon anlagen A phyllome anlagen (PO:0025430) that will give rise to a cotyledon primordium (PO:0000015) and is part of a peripheral zone (PO:000225) of an embryo shoot apical meristem (PO:0006362). precursor de cotiledón (Spanish); 子葉原基 (Japanese) PO:0025433 root anlagen A portion of plant tissue (PO:0009007) that is committed to the development of a root primordium (PO:0005029). precursor de raí (Spanish); 根原基 (Japanese) PO:0025434 petiole vascular bundle A vascular bundle (PO:0005020) that is part of a petiole vascular system (PO:0000052). 葉柄維管束 (Japanese); haz vascular del pecíolo (Spanish) PO:0025435 shoot axis cork cambium A cork cambium (PO:0005599) that is part of a shoot axis (PO:0025029). シュート軸コルク形成層 (Japanese); cambium suberígeno del ápice del epiblasto (Spanish) PO:0025436 root cork cambium A cork cambium (PO:0005599) that is part of a root (PO:0009005). cambium suberígeno de la raíz (Spanish); 根コルク形成層 (Japanese) PO:0025437 shoot axis vascular cambium A vascular cambium (PO:0005598) that is part of a shoot axis (PO:0025029). シュート軸維管束形成層 (Japanese); cambium vascular del eje del epiblasto (Spanish) PO:0025438 root vascular cambium A vascular cambium (PO:0005598) that is part of a root (PO:0009005). cambium vascular de la raíz (Spanish); 根維管系形成層 (Japanese) PO:0025439 cambial zone A cardinal organ part (PO:0025001) that is part of a plant axis (PO:0025004) and has as parts a cambium (PO:0005597) and adjacent cells. zona cambial (Spanish); 形成層帯 (Japanese) PO:0025440 shoot axis cambial zone A cambial zone that is part of a shoot axis (PO:0025029). シュート軸形成層 (Japanese); zona cambial del eje del epiblasto (Spanish) PO:0025441 root cambial zone A cambial zone that is part of a root (PO:0009005). zona cambial de la raíz (Spanish); 根形成層 (Japanese) PO:0025442 stem secondary thickening meristem A secondary thickening meristem (PO:0025414) that is part of a stem (PO:0009047). 茎二次肥厚分裂細胞 (Japanese); meristema de engrosamiento secundario del tallo (Spanish) PO:0025443 root secondary thickening meristem A secondary thickening meristem (PO:0025414) that is part of a root (PO:0009005). meristema de engrosamiento secundario de la raíz (Spanish); 根二次肥厚分裂組織 (Japanese) PO:0025444 primary xylem tracheary element A tracheary element (PO:0000290) that is part of a primary xylem tissue (PO:0005849). elemento de tráquea del xilema primario (Spanish); 一次木質部導管要素 (Japanese) PO:0025445 secondary xylem tracheary element A tracheary element (PO:0000290) that is part of a portion of secondary xylem tissue (PO:0005848). elemento de tráquea del xilema secundario (Spanish); 二次木質部仮導管要素 (Japanese) PO:0025446 primary xylem tracheid A tracheid (PO:0000301) that is part of a xylem tissue (PO:0005849). traqueida del xilema primario (Spanish); 一次木質部仮導管 (Japanese) PO:0025447 secondary xylem tracheid A tracheid PO:0000301 that is part of a portion of secondary xylem tissue (PO:0005848). traqueida del xilema secundario (Spanish); 二次木質部仮導管 (Japanese) PO:0025448 primary xylem vessel member A xylem vessel member (PO:0002003) that is part of a primary xylem tissue (PO:0005849). elemento vaso del xilema primario (Spanish); 一次木質部導管状要素 (Japanese) PO:0025449 secondary xylem vessel member A xylem vessel member (PO:0002003) that is part of a portion of secondary xylem tissue (PO:0005848). elemento vaso del xilema secundario (Spanish); 二次木質部導管要素 (Japanese) PO:0025450 primary xylem vessel A xylem vessel (PO:0025417) that is part of a primary xylem tissue (PO:0005849). vaso del xilema primario (Spanish); 一次木質部導管 (Japanese) PO:0025451 secondary xylem vessel A xylem vessel (PO:0025417) that is part of a portion of secondary xylem tissue (PO:0005848). vaso del xilema secundario (Spanish); 二次木質部導管 (Japanese) PO:0025452 primary phloem sieve element A sieve element (PO:0025406) that is part of a portion of primary phloem (PO:0006075). elemento criboso del floema primario (Spanish); 一次師部 師(篩)要素 (Japanese) PO:0025453 secondary phloem sieve element A sieve element (PO:0025406) that is part of a portion of secondary phloem (PO:0005043). elemento criboso del floema secundario (Spanish); 二次師部(師管部) 篩要素 (Japanese) PO:0025454 primary phloem sieve cell A sieve cell (PO:0025415) that is part of a portion of primary phloem (PO:0006075). célula cribosa del floema primario (Spanish); 一次師部 師(篩)細胞 (Japanese) PO:0025455 primary phloem sieve tube element A sieve tube element (PO:0000289) that is part of a portion of primary phloem (PO:0006075). elemento de tubo criboso del floema primario (Spanish); primary phloem sieve tube member; primary phloem sieve-tube element; 一次師部 師(篩)管 (Japanese) PO:0025456 secondary phloem sieve cell A sieve cell (PO:0025415) that is part of a portion of secondary phloem (PO:0005043). célula cribosa del floema secundario (Spanish); 二次師部(師管部)篩細胞 (Japanese) PO:0025457 secondary phloem sieve tube element A sieve tube element (PO:0000289) that is part of a portion of secondary phloem (PO:0005043). elemento de tubo criboso del floema secundario (Spanish); secondary phloem sieve tube member; secondary phloem sieve-tube element; 二次師部(師管部) 篩管要素 (Japanese) PO:0025458 transfer companion cell A companion cell (PO:0000400) that is a transfer cell (PO:0000078) with many cell wall invaginations. célula de trasnferencia acompañante (Spanish); 転送伴細胞 (Japanese); transfer cell PO:0025459 ordinary companion cell A companion cell (PO:0000400) that lacks cell wall invaginations and has few or no plasmodesmata connecting it to adjacent mesophyll cells. célula ordinaria acompañante (Spanish); 通常の?伴細胞 (Japanese); regular companion cell; standard companion cell PO:0025460 intermediary companion cell A companion cell (PO:0000400) that has dense cytoplasm, a small vacuole, proplastids rather than chloroplasts, and abundant and highly branched plasmodesmata linking it to adjacent mesophyll cells. célula intermediaria acompañante (Spanish); intermediary cell; 中間伴細胞 (Japanese) PO:0025461 early wood tracheary element A tracheary element that is part of a portion of early wood (PO:0004515). earlywood tracheary element; 早材管状要素 (Japanese) PO:0025462 late wood tracheary element A tracheary element that is part of a portion of late wood (PO:0004516). elemento de tráquea de madera temprana (Spanish); latewood tracheary element; 晩材管状要素 (Japanese) PO:0025470 embryo cotyledon A cotyledon (PO:0020030) that is part of a plant embryo (PO:0009009). PO:0025471 seedling cotyledon A cotyledon (PO:0020030) that is part of a whole plant (PO:0000003) in the seedling development stage (PO:0007131). PO:0025472 reaction wood A portion of secondary xylem (PO:0005848) found on either the upper or lower side of a shoot axis (PO:0025029) that is or was angled away from vertical, with anatomical characteristics that depend on whether it is compression wood (PO:0025473) or tension wood (PO:0025474). PO:0025473 compression wood A portion of reaction wood (PO:0025472) found on the lower side of a shoot axis (PO:0025029) that is or was angled away from vertical and that has as parts heavily lignified tracheids (PO:0000301) with a specialized S2 layer that contains more lignin and has a larger (more horizontal) microfibril angle. PO:0025474 tension wood A portion of reaction wood (PO:0025472) found on the upper side of a shoot axis (PO:0025029) that is or was angled away from vertical and that has as parts gelatinous fiber cells (PO:0025422). PO:0025476 tuberous root tuber A tuber (PO:0004543) that develops from a tuberous root (PO:0025523) and is further radially enlarged. raíz tubercular (Spanish); root tuber; storage root; tuber root; 塊茎根の塊茎(Japanese) PO:0025478 androecium primordium A floral structure primordium (PO:0025477) that is committed to the development of an androecium (PO:0009061). 雄蕊群原基(可視的) (Japanese); portion of androecium primordium tissue; primordium del androecio (Spanish) PO:0025481 leaflet primordium A primordium (PO:0025127) that develops as part of a leaf primordium (PO:0000017) of a compound leaf (PO:0020043) and is committed to the development of a leaflet (PO:0020049). leaflet primordia; portion of leaflet primordium tissue; primordio del folíolo (Spanish); 小葉原基(可視的) (Japanese) PO:0025482 bract anlagen A phyllome anlagen (PO:0025430) that will give rise to a bract primordium (PO:0025487) and is part of a peripheral zone (PO:000225) of a reproductive shoot apical meristem (PO:0008028). anlagen de bráctea (Spanish); 苞原基 (Japanese) PO:0025483 lodicule anlagen A phyllome anlagen (PO:0025430) that will give rise to a lodicule primordium (PO:0008040) and is part of a peripheral zone (PO:000225) of a flower meristem (PO:0000229). anlagen del lodículo (Spanish); 鱗被原基 (Japanese) PO:0025484 petal anlagen A phyllome anlagen (PO:0025430) that will give rise to a petal primordium (PO:0000021) and is part of a peripheral zone (PO:000225) of a flower meristem (PO:0000229). anlagen del pétalo (Spanish); 花弁原基 (Japanese) PO:0025485 sepal anlagen A phyllome anlagen (PO:0025430) that will give rise to a sepal primordium (PO:0004704) and is part of a peripheral zone (PO:000225) of a flower meristem (PO:0000229). anlagen del sépalo (Spanish); がく片原基 (Japanese) PO:0025486 stamen anlagen A phyllome anlagen (PO:0025430) that will give rise to a stamen primordium (PO:0004705) and is part of a peripheral zone (PO:000225) of a flower meristem (PO:0000229). anlagen del estambre (Spanish); 雄蕊原基 (Japanese) PO:0025487 bract primordium A phyllome primordium (PO:0025487) that is committed to the development of a flower bract (PO:0009055). bract primordia; 苞原基(可視的) (Japanese); portion of bract primordium tissue; primordio de la bráctea (Spanish) PO:0025488 flower bract primordium A bract primordium (PO:0025128) is committed to the development of a flower bract (PO:0009034). 花苞(葉)原基(可視的) (Japanese); flower bract primordia; portion of flower bract primordium tissue; primordio de la bráctea floral (Spanish) PO:0025489 inflorescence bract primordium A bract primordium (PO:0025128) is committed to the development of an inflorescence bract (PO:0009054). 花序苞原基 (Japanese); inflorescence bract primordia; portion of inflorescence bract primordium tissue; primordio de la bráctea de la inflorescencia (Spanish) PO:0025490 plant ovary ovule A plant ovule (PO:0020006) that is part of a plant ovary (PO:0009072). óvulo del ovario (Spanish); 子房胚珠 (Japanese) PO:0025491 ovuliferous scale ovule A plant ovule (PO:0020006) that is part of an ovuliferous scale (add). óvulo de la escama ovulífera (Spanish); 種鱗胚珠 (Japanese) PO:0025492 pericyclic lateral root primordium A lateral root primordium (PO:0000016) that develops from a portion of pericycle tissue (PO:0006203) and is committed to the development of a pericyclic lateral root (PO:0025494). primordio de raíz lateral peric�clica (Spanish); 内鞘由来分枝根始原体 (Japanese) PO:0025493 non-pericyclic lateral root primordium A lateral root primordium (PO:0000016) that develops from a portion of plant tissue (PO:0009007) other than a pericycle (PO:0006203) and is committed to the development of a non-pericyclic lateral root (PO:0025495). primordio de raíz lateral no peric�clica (Spanish); 内鞘以外の組織から発生する分枝根始原体 (Japanese) PO:0025494 pericyclic lateral root A lateral root (PO:0025495) that develops from a pericyclic lateral root primordium (PO:0025492). raíz lateral pericíclica (Spanish); 内鞘由来分枝根 (Japanese) PO:0025495 non-pericyclic lateral root A lateral root (PO:0025495) that develops from a non-pericyclic lateral root primordium (PO:0025493). adventitious root sensu strictu; raíz lateral no peric�clica (Spanish); 内鞘以外の組織から発生する分枝根 (Japanese) PO:0025496 multi-tissue plant structure A plant structure (PO:0009011) that has as parts two or more portions of plant tissue (PO:0009007) of at least two different types and which through specific morphogenetic processes forms a single structural unit demarcated by primarily bona-fide boundaries from other structural units of different types. estructura vegetal con múltiples tejidos (Spanish); 複数の組織からなる植物構造 (Japanese) PO:0025497 collective plant structure A plant structure (PO:0009011) that is a proper part of a whole plant (PO:0000003) and includes two or more adjacent plant organs (PO:0009008) or adjacent cardinal organ parts (PO:0025001), along with any associated portions of plant tissue (PO:0009007). estructura vegetal colectiva (Spanish); 集合的植物構造 (Japanese) PO:0025498 cardinal part of multi-tissue plant structure A plant structure (PO:0009011) that is a proper part of a multi-tissue plant structure (PO:0025496) and includes portions of plant tissues (PO:0009007) of at least two different types. 複数の組織からなる植物構造の基本(主要)部分 (Japanese); parte cardinal de estructura vegetal con múltiples tejidos (Spanish) PO:0025499 sepal epidermis giant cell An epidermal pavement cell (PO:0000332) that is part of sepal epidermis (PO:0006040) and is approximately one fifth the length of a sepal. がく片表皮巨大細胞 (Japanese); giant cell PO:0025509 archegonium central cell A plant cell (PO:0009002) that is the larger, distal cell arising from the first division of an archegonium initial cell (PO:0025510). 造卵器中央細胞 (Japanese) PO:0025510 archegonium initial cell An initial cell (PO:0004011) that divides asymmetrically to form an archegonium central cell (PO:0025509) and a smaller archegonium neck canal cell (PO:0030035). archegonium initial; 造卵器始原細胞 (Japanese) PO:0025511 petal spur A cardinal organ part (PO:0025001) that is a slender, hollow extension of a petal (PO:0009032). PO:0025512 corolla spur A collective organ part structure (PO:0025269) that is a slender, hollow extension of a corolla and has as parts segments of two more fused petals. 花冠距 PO:0025513 organ lamina A lamina (PO:0025060) that is part of a plant organ (PO:0009008). PO:0025514 phyllome lamina lobe A cardinal organ part (PO:0025001) that is a projection on a phyllome margin (PO:0025018) for which the corresponding phyllome sinus (PO:0025383) extends one quarter or more of the distance to the center of the long axis of the phyllome lamina (PO:0025396). フィロム葉身裂片 (Japanese) PO:0025515 phyllome lamina tooth A cardinal organ part (PO:0025001) that is an angular projection on a phyllome margin (PO:0025018) for which the corresponding phyllome sinus (PO:0025383) extends less than one quarter of the distance to the center of the long axis of the phyllome lamina (PO:0025396). フィロム葉身tooth (Japanese); phyllome lamina teeth PO:0025516 phyllome lamina crena A cardinal organ part (PO:0025001) that is a rounded projection on a phyllome margin (PO:0025018) for which the corresponding phyllome sinus (PO:0025383) extends less than one quarter of the distance to the center of the long axis of the phyllome lamina (PO:0025396). フィロム葉身鈍鋸歯状 (Japanese); phyllome lamina crenae PO:0025517 leaf lamina lobe A phyllome lobe (PO:0025514) that is a projection on a leaf lamina margin (PO:0025009) for which the corresponding leaf sinus (PO:0025384) extends one quarter or more of the distance to the center of the long axis of the leaf lamina (PO:0020039). PO:0025518 leaf lamina tooth A phyllome lamina tooth (PO:0025515) that is an angular projection on a leaf margin (PO:0020128) for which the corresponding leaf sinus (PO:0025384) extends less than one quarter of the distance to the center of the long axis of the leaf lamina (PO:0020039). leaf lamina teeth PO:0025519 leaf lamina crena A phyllome lamina crena (PO:0025516) that is a rounded projection on a leaf margin (PO:0020128) for which the corresponding leaf sinus (PO:0025384) extends less than one quarter of the distance to the center of the long axis of the leaf lamina (PO:0020039). leaf lamina crenae; leaf lamina crenule; leaf lamina scallop PO:0025520 leaf lamina intramarginal vein A leaf lamina vein (PO:0020138) that is just inside the leaf lamina margin (PO:0025009) and extends from the leaf lamina base (PO:0008019) to the leaf apex (PO:0020137). intramarginal vein PO:0025521 unicellular plant gametangium A plant cell (PO:0009002) that produces one or more gametes (PO:0025006) and participates in the gametophyte development stage (PO:0028003). gametangium; 単細胞植物配偶子嚢 (Japanese) PO:0025522 tuber A plant axis (PO:0025004) that is radially enlarged. 塊茎 (Japanese) PO:0025523 tuberous root A root (PO:0009005) that is radially enlarged relative to other lateral roots (PO:0020121) or shoot-borne roots (PO:0000042) on the same plant, but not as enlarged as a tuberous root tuber (PO:0025476). PO:0025524 ventral canal cell A plant cell (PO:0009002) that develops from the archegonium central cell (PO:0025509), and lies at the base of the archegonium neck (PO:0030039), above the archegonium egg cell (PO:0025122) in the venter (PO:0030038). PO:0025525 spermatogenous cell A plant cell (PO:0009002) that gives rise to one or more plant sperm cells (PO:0000084). PO:0025526 body cell A spermatogenous cell (PO:0025525) of the microgametophyte (PO:0025280) that divides to produce a vegetative cell and the pollen sperm cell (PO:0025121). gymnosperm generative cell PO:0025533 prothallial cell A vegetative plant cell (PO:0009002) that develops from the division of the microspore (PO:0020048) and is part of the microgametophyte of vascular plants other than angiosperms. PO:0025534 adventitious shoot axis A shoot axis (PO:00025029) that develops in an unusual place. eje adventicio del epiblasto (Spanish); 不定シュート軸 (Japanese) PO:0025536 plant cuticle ridge A portion of plant cuticle (PO:000022) that forms a ridge, may be overlayed with epicuticular wax (PO:0025388). cresta de la cuticula vegetal (Spanish); 植物クチクラ縁 (Japanese) PO:0025537 unicellular trichome A trichome (PO:0000282) that is a single plant cell (PO:0009002). non-glandular unicellular trichome; non-secretory unicellular trichome; simple trichome; tricoma unicelular (Spanish); 単細胞トリコーム(毛茸、糸状体) (Japanese) PO:0025538 plant sap A portion of plant substance (PO:0025161) that is an aqueous solution that can be transported through the apoplast (GO:0048046) or symplast (GO:0055044). savia de la planta (Spanish); 植物液 (Japanese) PO:0025539 xylem sap A plant sap (PO:0025538) that is an aqueous solution which may contain mineral elements, nutrients, and plant hormones, and is transported from the root system (PO:0025025) toward the leaves through the tracheary elements (PO:0000290) of the xylem. savia del xilema (Spanish); 木質部樹液 (Japanese) PO:0025540 phloem sap A plant sap (PO:0025538) that is an aqueous solution which may contain sugars, mineral elements, and plant hormones, and is transported through the phloem sieve elements (PO:0025406). savia del floema (Spanish); 師管液 (Japanese) PO:0025541 bundle sheath cell A ground tissue cell (PO:0000076) that is part of a bundle sheath (PO:0006023). celula de la vaina del haz vascular (Spanish); 維管束鞘細胞 (Japanese) PO:0025542 bundle sheath chlorenchyma cell A chlorenchyma cell (PO:0000076) that is part of a bundle sheath (PO:0006023). celula clorenquimatica de la vaina del haz vascular (Spanish); 維管束鞘同化組織、葉緑組織細胞 (Japanese) PO:0025543 tapetum cell A plant cell (PO:0009002) that is part of the tapetum (PO:0025313). タペート細胞 (Japanese); célula del tapete (Spanish); tapetal cell PO:0025544 microsporangium tapetum cell A tapetum cell (PO:0025543) that is part of a microsporangium tapetum (PO:0025314). célula del tapete del microsporangio (Spanish); microsporangium tapetal cell; 小胞子嚢タペート細胞 (Japanese) PO:0025545 anther wall tapetum cell A microsporangium tapetum cell (PO:0025544) that is part of the anther wall tapetum (PO:0009071). anther wall tapetal cell PO:0025546 accessory paraclade A primary inflorescence branch (PO:0006321) borne in the same axil (PO:0025224) as an existing primary inflorescence branch (PO:0006321). accessory second order inflorescence axis; paraclado accesorio (Spanish); 副(補助)側生分枝 (Japanese) PO:0025547 cauline paraclade A primary inflorescence branch (PO:0006321) borne on the elongated first order inflorescence axis (PO:0025104). 茎側生分枝 (Japanese); paraclado caulinar (Spanish) PO:0025548 rosette paraclade A primary inflorescence branch (PO:0006321) borne on the compacted first order inflorescence axis (PO:0025104), forming the rosette. ロゼット側生分枝 (Japanese); paraclado en roseta (Spanish) PO:0025549 trichome tip A plant structure (PO:0009011) that is the apical most portion of a trichome apex (PO:0025550). punta del tricoma (Spanish); トリコーム(毛茸、糸状体)先端 (Japanese) PO:0025550 trichome apex A plant structure (PO:0009011) that is the apical most portion of a trichome (PO:0000282). apice del tricoma (Spanish); トリコーム(毛茸、糸状体)頂端 (Japanese) PO:0025552 centarch protoxylem A portion of protoxylem (PO:0000272) tissue in which the maturation of primary xylem of the shoot system progresses centrifugally with the oldest elements (protoxylem) in the center of the axis. protoxilema centrarco (Spanish); 心原型原生木部 (Japanese) PO:0025553 mesarch protoxylem A portion of protoxylem (PO:0000272) tissue in which the maturation of primary xylem (PO:0005849) of the shoot system (PO:0009006) progresses both centripetally and centrifugally from the center. protoxilema mesarco (Spanish); 中原型原生木部 (Japanese) PO:0025554 exarch protoxylem A portion of protoxylem (PO:0000272) tissue in which the maturation of primary xylem (PO:0005849) progresses centripetally, the oldest elements (protoxylem) are farthest from the center of the plant axis (PO:0025004). protoxilema exarco (Spanish); 外原型原生木部 (Japanese) PO:0025555 root system exarch protoxylem A portion of exarch protoxylem (PO:002554) tissue in which the maturation of primary xylem (PO:0005849) of the root system (PO:0025025) progresses centripedally, with the oldest elements (protoxylem) farthest from the center of the plant axis (PO:0025004). protoxilema exarco de la raiz (Spanish); 根外原型原生木部 (Japanese) PO:0025556 shoot system exarch protoxylem A portion of exarch protoxylem (PO:002554) tissue in which the maturation of primary xylem (PO:0005849) of the shoot system (PO:0009006) progresses centripetally, with the oldest elements (protoxylem) farthest from the center of the plant axis (PO:0025004). シュート組織外原型原生木部 (Japanese); protoxilema exarco del sistema del epiblasto (Spanish) PO:0025557 endarch protoxylem A portion of protoxylem (PO:0000272) tissue in which the maturation of primary xylem (PO:0005849) of the shoot system (PO:0009006) progresses centrifugally, with the oldest elements (protoxylem) towards the center of the plant axis (PO:0025004). protoxilema endarch (Spanish) PO:0025558 monarch protoxylem A portion of root exarch protoxylem (PO:0025555) tissue in which the primary xylem (PO:0005849) of the root system (PO:0025025) has only one protoxylem strand or pole, and differentiation progresses centripetally, with the oldest element (protoxylem) farthest from the center of the plant axis (PO:0025004). protoxilema monarco (Spanish); 単原型原生木部 (Japanese) PO:0025559 diarch protoxylem A portion of root exarch protoxylem (PO:0025555) tissue in which the primary xylem (PO:0005849) of the root system (PO:0025025) has two protoxylem strands or poles, and differentiation progresses centripetally, with the oldest elements (protoxylem) farthest from the center of the plant axis (PO:0025004). 二原型原生木部 (Japanese); protoxilema diarco (Spanish) PO:0025560 triarch protoxylem A portion of root exarch protoxylem (PO:0025555) tissue in which the primary xylem (PO:0005849) of the root system (PO:0025025) has three protoxylem strands or poles, and differentiation progresses centripetally, with the oldest elements (protoxylem) farthest from the center of the plant axis (PO:0025004). protoxilema triarco (Spanish); 三原型原生木部 (Japanese) PO:0025561 tetrarch protoxylem A portion of root exarch protoxylem (PO:0025555) tissue in which the primary xylem (PO:0005849) of the root system (PO:0025025) has four protoxylem strands or poles, and differentiation progresses centripetally, with the oldest elements (protoxylem) farthest from the center of the plant axis (PO:0025004). protoxilema tetrarco (Spanish); 四原型原生木部 (Japanese) PO:0025562 pentarch protoxylem A portion of root exarch protoxylem (PO:0025555) tissue in which the primary xylem (PO:0005849) of the root system (PO:0025025) has five protoxylem strands or poles, and differentiation progresses centripetally, with the oldest elements (protoxylem) farthest from the center of the plant axis (PO:0025004). protoxilema pentarco (Spanish); 五原型原生木部 (Japanese) PO:0025563 polyarch protoxylem A portion of root exarch protoxylem (PO:0025555) tissue in which the primary xylem (PO:0005849) of the root system (PO:0025025) has more than five protoxylem strands or poles, and differentiation progresses centripetally, with the oldest elements (protoxylem) farthest from the center of the plant axis (PO:0025004). protoxilema poliarco (Spanish); 多原型原生木部 (Japanese) PO:0025564 megasporangium tapetum cell A tapetum cell (PO:0025543) that is part of a megasporangium tapetum (PO:0025315). célula del tapete de megasporangio (Spanish); 大胞子嚢絨毯組織(タペート組織)細胞 (Japanese) PO:0025565 shoot system xylem sap A xylem sap (PO:0025539) that is located in the shoot system (PO:0009006). savia del floema del epiblasto (Spanish); シュート組織木部樹液 (Japanese) PO:0025566 shoot system phloem sap A phloem sap (PO:0025540) that is located in the shoot system (PO:0009006). シュート組織師管液 (Japanese); savia del floema del sistema del epiblasto (Spanish) PO:0025567 root system phloem sap A phloem sap (PO:0025540) that is located in the root system (PO:0025025). savia del floema del sistema de la raiz (Spanish); 根組織師管液 (Japanese) PO:0025568 root system xylem sap A xylem sap (PO:0025539) that is located in the root system (PO:0025025). savia del xilema del sistema de la raiz (Spanish); 根組織木部樹液 (Japanese) PO:0025569 free petal A petal (PO:0009032) that is part of a perianth (PO:0009058) that contains fused sepals (PO:0025584) and/or fused petals (PO:0025583), but is separate from the other sepals (PO:0009031) and petals (PO:0009032). 遊離花弁 (Japanese); petalo libre (Spanish) PO:0025575 protoxylem tracheary element A primary xylem tracheary element (PO:0025444) with predominately annular or helical secondary wall thickening that are the first formed tracheary elements (PO:0000290) at a particular location. elemento de traqueida del protoxilema (Spanish); 原生木部仮導管要素 (Japanese) PO:0025576 metaxylem tracheary element A primary xylem tracheary element (PO:0025444) that may have helical, scalariform, reticulate and/or pitted secondary wall thickening. elemento de traqueida del metaxilema (Spanish); 後生木部仮導管要素 (Japanese) PO:0025577 epicalyx bract A flower bract (PO:0009034) that is part of the epicalyx (PO:0009063). がく状総苞 苞葉 (Japanese); bractea del epicalix (Spanish) PO:0025580 fused perianth A perianth (PO:0009058) in which one or more of the petals (PO:0009032), sepals (PO:0009031), and/or tepals (PO:0009033) are fused (PATO:0000642). 融合花蓋、花被 (Japanese); perianto fusionado (Spanish) PO:0025581 fused corolla A corolla (PO:0009059) that is composed of fused petals (PO:0025583). connate petal structure; corola fusionada (Spanish); 融合花冠 (Japanese) PO:0025582 fused calyx A calyx (PO:0009060) that is composed of fused sepals (PO:0025584). caliz fusionado (Spanish); connate sepal structure; 融合がく(Japanese) PO:0025583 fused petal A petal (PO:0009032) that is part of a fused corolla (PO:0025581) or a fused perianth (PO:0025580). 融合花弁 (Japanese); petalo fusionado (Spanish) PO:0025584 fused sepal A sepal (PO:0009031) that is part of the fused calyx (PO:0025582) or a fused perianth (PO:0025580). 融合がく片 (Japanese); sepalo fusionado (Spanish) PO:0025587 free sepal A sepal (PO:0009031) that is part of a perianth (PO:0009058) that contains fused sepals (PO:0025584) and/or fused petals (PO:0025583), but is separate from the other sepals (PO:0009031) and petals (PO:0009032). 遊離がく片(Japanese); sepalo libre (Spanish) PO:0030001 chloronema cell A chlorenchyma cell that is part of a chloronema and has cross walls of adjacent cells that are perpendicular to the protonema axis. クロロネマ細胞 (Japanese); célula del cloronema (Spanish) PO:0030002 caulonema cell A chlorenchyma cell that is part of a caulonema and has cross walls of adjacent cells that are oblique to the protonema axis. カウロネマ細胞 (Japanese); célula del caulonema (Spanish) PO:0030003 protonema A portion of chlorenchyma tissue that develops directly from a spore and grows by division of an apical cell to form filaments that are one cell wide and dichotomously branching. portion of protonema tissue; protonema (Spanish); protonemata; 原糸体 (Japanese) PO:0030004 chloronema A portion of protonema tissue that consists of only chloronema cells. クロロネマ (Japanese); chloronemata; cloronema (Spanish); portion of chloronema tissue PO:0030005 caulonema A portion of protonema tissue that consists of only caulonema cells. カウロネマ (Japanese); caulonema (Spanish); caulonemata; portion of caulonema tissue PO:0030007 meristematic apical cell A single meristematic cell at the tip of a plant structure where apical growth occurs. apical cell; apical initial; célula apical (Spanish); 分裂組織の頂端細胞 (Japanese) PO:0030008 root meristematic apical cell A sporophyte meristematic apical cell that is part of a root tip. célula apical de la raíz (Spanish); root apical cell; root apical initial; 根分裂組織の頂端細胞 (Japanese) PO:0030009 shoot meristematic apical cell A meristematic apical cell that is part of a shoot system. célula apical del epiblasto (Spanish); shoot apical cell; shoot apical initial; シュート分裂組織の頂端細胞 (Japanese) PO:0030010 shoot axis meristematic apical cell A shoot meristematic apical cell that is part of a shoot apex. célula apical del eje del epiblasto (Spanish); shoot axis apical cell; shoot axis apical initial; シュート軸分裂組織の頂端細胞 (Japanese) PO:0030011 leaf meristematic apical cell A shoot meristematic apical cell that is part of a leaf apex. célula apical de la hoja (Spanish); leaf apical cell; leaf apical initial; 葉分裂組織の頂端細胞 (Japanese) PO:0030012 vascular leaf meristematic apical cell A leaf meristematic apical cell that is part of the leaf apex of a vascular leaf. célula apical de la hoja vascular (Spanish); vascular leaf apical cell; vascular leaf apical initial; 維管束を持つ葉の分裂組織の頂端細胞 (Japanese) PO:0030013 non-vascular leaf meristematic apical cell A leaf meristematic apical cell that is part of a leaf apex of a non-vascular leaf. célula apical de la hoja no vascular (Spanish); 維管束を持たない葉の分裂組織の頂端細胞 (Japanese); non-vascular leaf apical cell; non-vascular leaf apical initial; phyllid apical cell; phyllid apical initial PO:0030014 gametophyte meristematic apical cell An apical cell that is part of a whole plant in the gametophytic phase. célula apical gametofítica (Spanish); 配偶体分裂組織の頂端細胞 (Japanese); gametophyte apical cell; gametophyte apical initial; gametophytic meristematic apical cell PO:0030015 sporophyte meristematic apical cell A meristematic apical cell that is part of a whole plant in the sporophytic phase. célula apical esporofítica (Spanish); 胞子体分裂組織の頂端細胞 (Japanese); sporophyte apical cell; sporophyte apical initial; sporophytic meristematic apical cell PO:0030016 seta meristematic apical cell A shoot axis meristematic apical cell at the tip of a seta. célula apical de la seta (Spanish); seta apical cell; seta apical initial; 柄分裂組織の頂端細胞 (Japanese) PO:0030017 spore capsule mouth A plant anatomical space that is the opening on the apical end of a spore capsule. boca de la cápsula productora de esporas (Spanish); 胞子嚢口 (Japanese); sporangium mouth PO:0030018 gametophore A shoot system (PO:0009006) that consists of the shoot axes (PO:0025029) and non-vascular leaves (PO:0025075) of a plant in the gametophytic phase. 茎葉体, 蘚苔類の配偶体 (Japanese); gametóforo (Spanish); ramet PO:0030019 gametophore meristematic apical cell A shoot meristematic apical cell that is part of a gametophore. célula apical del gametóforo (Spanish); 茎葉体分裂組織の頂端細胞 (Japanese); gametophore apical cell; gametophore apical initial PO:0030020 gametophore axis A shoot axis that is part of a gametophore. caulid; cauloid; eje del gametóforo (Spanish); 茎葉体軸 (Japanese); non-vascular shoot axis PO:0030021 gametophore branch A branch that is part of a gametophore. caulid branch; cauloid branch; 茎葉体枝 (Japanese); non-vascular branch; rama del gametóforo (Spanish) PO:0030022 gametophore stem A stem that is part of a gametophore. caulid stem; cauloid stem; 茎葉体の茎 (Japanese); non-vascular stem; tallo del gametóforo (Spanish) PO:0030023 gametophore axis meristematic apical cell A shoot axis meristematic apical cell at the tip of a gametophore axis. célula apical del eje del gametóforo (Spanish); cauloid apical cell; 茎葉体軸分裂組織の頂端細胞 (Japanese); gametophore axis apical cell; gametophore axis apical initial; non-vascular shoot axis apical cell PO:0030024 vascular shoot axis meristematic apical cell A shoot axis meristematic apical cell at the tip of a shoot apex in a shoot system that has as part vascular tissue. célula apical del eje del epiblasto vascualr (Spanish); 維管束を持つシュート軸分裂組織の頂端細胞 (Japanese); fern shoot axis apical cell; vascular shoot axis apical cell; vascular shoot axis apical initial PO:0030025 thallus meristematic apical cell A gametophyte apical cell that is part of a thallus. célula apical del talo (Spanish); 葉状体分裂組織の頂端細胞 (Japanese); thallus apical cell; thallus apical initial PO:0030026 gametophore bud A vegetative bud that develops into a gametophore. brown bud; 茎葉体芽 (Japanese); yema del gametóforo (Spanish) PO:0030027 thallus A whole plant in the gametophytic phase that has a flat growth form and no distinct organs. 葉状体 (Japanese); prothallium; talo (Spanish); thalli PO:0030028 perigonial bract A bract (PO:0009055) that subtends an antheridium (PO:0025125). bráctea del perigonio (Spanish); 花蓋苞葉 (Japanese); perigonium bract PO:0030029 sporophyte foot A plant organ that is the base of a whole plant in the sporophytic phase and attaches it to the gametophore. pie del esporofito (Spanish); 胞子体あし (Japanese) PO:0030030 perichaetal bract A bract (PO:0009055) that subtends an archegonium (PO:0025126). bráctea pericaetal (Spanish); 雌花苞葉 (Japanese); perichaetum bract PO:0030031 gametophyte perianth A collective phyllome structure that consists of two or more of the most distal perichaetal bracts on a gametophore axis and surround a capsule. 配偶体花蓋、花被 (Japanese); gametophytic perianth; perianto del grametofito (Spanish) PO:0030032 seta A stalk (PO:0025066) that supports a spore capsule, the sporangium (PO:0025094). とげ、剛毛、コケの柄 (Japanese); seta (Spanish); setae PO:0030033 antheridiophore A stalk (PO:0025066) that supports an antheridium head (PO:0030075). anteridióforo (Spanish); 雄器床柄 (Japanese) PO:0030034 archegoniophore A stalk (PO:0025066) that supports an archegonium head (PO:0030034). arquegonióforo (Spanish); 雌器床柄、雌器托 (Japanese) PO:0030035 antheridium stalk A stalk (PO:0025066) that is the basal part of an antheridium (PO:0025125). antheridial stalk; 造精器柄 (Japanese); pedúnculo del anteridio (Spanish) PO:0030036 archegonium stalk A stalk that the basal part of an archegonium. archegonial stalk; 造卵器柄 (Japanese); pedúnculo del arquegonio (Spanish) PO:0030037 spore capsule calyptra A cardinal organ part (PO:0025001) that develops from an archegonium (PO:0025126) and is a cap or hood enclosing the sporangium (syn: spore capsule; PO:0025094). コケ類 蘚帽 (Japanese); caliptra de la cápsula productora de esporas (Spanish); spore capsule calyptrae PO:0030038 venter A cardinal organ part (PO:0025001) that is the enlarged basal part of an archegonium (PO:0025126) and has an archegonium egg cell (PO:0025122) located in it. 造卵器腹部 (Japanese); vientre (Spanish) PO:0030039 archegonium neck A cardinal organ part (PO:0025001) that is the elongated, apical part of an archegonium (PO:0025126). archegonial neck; cuello del arquegonio (Spanish); 造卵器頸部 (Japanese) PO:0030040 sporangium base A cardinal organ part that is the basal (distal) part of a sporangium. apophysis; base del esporangio (Spanish); 胞子嚢基部 (Japanese); hypophysis; sporangium neck PO:0030041 sporangium theca A cardinal organ part that is the main body of a sporangium and has spores located in it. 胞子嚢殻 (Japanese); sporangium urn; teca del esporangio (Spanish) PO:0030042 peristome A single or double circle of peristome teeth inside a sporangium mouth. 蒴歯、縁歯 (Japanese); peristoma (Spanish) PO:0030043 peristome tooth A cardinal organ part that is a single lobe of a peristome. dientes del peristoma (Spanish); 蒴歯歯片、縁歯歯片, 歯環を構成する個々の歯(Japanese) PO:0030044 spore capsule operculum A cardinal organ part that is the apical part of a spore capsule that separates from the rest of the capsule during dehiscence. 胞子嚢蓋 (Japanese); opérculo de la cápsula productora de esporas (Spanish); sporangium lid; spore capsule lid; spore capsule opercula PO:0030045 stereid A ground tissue cell with thickened cell walls. estereida (Spanish); 補強細胞 (Japanese); stereid cell PO:0030046 protonema meristematic apical cell A gametophyte meristematic apical cell that is part of a protonema. célula meristemática apical del protonema (Spanish); protonema apical cell; protonema apical initial; 原糸体、糸状体の分裂組織の頂端細胞 (Japanese) PO:0030047 hydrome A portion of plant tissue that has as parts hydroid cells and cells of no other types. hidromo (Spanish); hydrom; leptoxylem; 導水組織 (Japanese) PO:0030048 leptome A portion of plant tissue that has as parts leptoid cells and cells of no other types. leptom; leptomo (Spanish); leptophloem; 師部、レプトーム (Japanese) PO:0030049 sporangium wall endothecium A portion of ground tissue that is the sub-epidermal layer of a sporangium wall. endotecio de la pared del esporangio (Spanish); endothecium of sporangium wall; 胞子嚢壁内皮 (Japanese) PO:0030050 stereome A portion of ground tissue that has as parts stereid cells and no other cell types. estereomo (Spanish); 機械組織 (Japanese) PO:0030051 central strand A portion of plant tissue that is an axial strand in the center of a gametophore axis or seta and has as part a hydrome or a leptome. conducting cylinder; conducting strand; hebra (hilo) central (Spanish); 中心束 (Japanese) PO:0030052 antheridium jacket layer cell A plant cell that is part of an antheridium jacket layer. antheridium wall cell; capa célular de la cubierta del anteridio (Spanish); 造精器被覆層細胞 (Japanese); jacket cell; sterile jacket cell PO:0030053 antheridium jacket layer A portion of plant tissue (PO:0009007) that is a single layer of cells on the outside of an antheridium (PO:0025125). antheridial jacket layer; antheridium wall; capa de la cubierta del anteridio (Spanish); 造精器被覆層 (Japanese); sterile jacket layer PO:0030054 epiphragm A portion of parenchyma tissue that forms a circular membrane extending from a spore capsule columella and attached to the ends of the peristome teeth that covers a spore capsule mouth. epifragma (Spanish); epiphram; tympanum; 冬蓋 (Japanese) PO:0030055 pseudopodium A gametophore axis that is a leafless extension of a gametophore stem or branch on which a sporophyte is borne. pseudopodia; pseudopodio (Spanish); 擬子柄 (Japanese) PO:0030056 archesporial cell A plant cell that divides to gives rise to a sporocyte and is part of a sporangium. archesporial initial; célula arquesporial (Spanish); 胞原細胞 (Japanese); sporogenous cell PO:0030057 alar cell A plant cell located at the base of a non-vascular leaf adjacent to where the leaf attaches to the stem. célula alar (Spanish); 翼細胞 (Japanese) PO:0030058 brachycyte A plant cell that develops from a cell in a protonema and has a thick cell wall. braquicito (Spanish); brood cell; 原糸体細胞の細胞壁を厚くした細胞、耐性細胞(brood cell?) (Japanese) PO:0030059 tmema cell A plant cell at the base of a gemma or adjacent to a brachycyte that breaks down to allow abscission of the gemma or brachycyte. brachytmema cell; célula del tmema (Spanish); dlichotmema cell; tmema細胞 (Japanese) PO:0030060 gametophore axillary hair An axillary hair that grows in a leaf axil of a non-vascular leaf. club hair; 茎葉体腋毛 (Japanese); pelo axilar del gametóforo (Spanish) PO:0030061 tmema A portion of plant tissue that has as parts tmema cells. tmema (Japanese); tmema (Spanish) PO:0030062 gametophore axillary hair terminal cell An axillary hair terminal cell that is the long terminal cell of a gametophore axillary hair. célula terminal de pelo axilar del gametóforo (Spanish); 茎葉体腋毛終端細胞 (Japanese) PO:0030063 gametophore axillary hair base A axillary hair base that is the basal part of a gametophore axillary hair, below the gametophore axillary hair terminal cell. base del pelo axilar del gametóforo (Spanish); 茎葉体腋毛基底 (Japanese) PO:0030064 gametophore axillary hair basal cell An axillary hair basal cell that is part of a gametophore axillary hair base. célula basal del pelo axilar del gametóforo (Spanish); 茎葉体腋毛基底細胞 (Japanese); gametophore axillary hair base cell PO:0030065 archegonium neck canal cell A plant cell (PO:0009002) that is one of the axial row of cells in an immature archegonium neck (PO:0030039). archegonial neck canal cell; célula del canal del cuello del arquegonio (Spanish); 造卵器頚溝細胞 (Japanese) PO:0030066 archegonium neck canal A canal (PO:0025132) in the center of an archegonium neck (PO:0030039). archegonial neck canal; canal del cuello del arquegonio (Spanish); 造卵器頚溝 (Japanese) PO:0030067 protonema side branch initial cell An protonema sub-apical initial that gives rise to a branch of a protonema. protonema side branch initial; protonemal side branch initial cell; rama lateral inicial del protonema (Spanish); 原糸体側枝始原細胞 (Japanese) PO:0030068 epidermal rhizoid initial cell An epidermal initial that gives rise to an epidermal rhizoid. epidermal rhizoid initial; 表皮仮根始原細胞 (Japanese); rizoide inicial epidérmico (Spanish) PO:0030069 paraphyllium A portion of epidermal tissue that is an outgrowth from the epidermis between the leaves of a gametophore axis. parafilium (Spanish); paraphyllia; 毛葉 (Japanese) PO:0030070 paraphysis A slender, usually uniseriate multicellular trichome (PO:0025162) that grows intermixed with the gametangia. paráfisis (Spanish); paraphyses; 側糸 (Japanese) PO:0030071 epidermal rhizoid A rhizoid that develops from an epidermal rhizoid initial. 表皮仮根 (Japanese); rizoide epidérmico (Spanish) PO:0030072 costa A portion of plant tissue that is a single or double strand in the center of a non-vascular leaf and has as part hydrome or leptome. costa (Spanish); costae; mid rib; midrib; non-vascular leaf midrib; non-vascular leaf midvein; non-vascular leaflet midrib; phyllid costa; phyllid midrib; phyllid midvein; 中肋 (Japanese) PO:0030073 exothecium A portion of epidermis that is the outermost layer of a sporangium wall. epithecium; exotecio (Spanish); 葯の表皮(外膜) (Japanese); sporangium epidermis; sporangium wall exothecium PO:0030074 archesporium A portion of plant tissue that is the internal part of a sporangium, bounded by the sporangium wall, and has as parts archesporial cells. arquesporio (Spanish); 胞原組織 (Japanese); sporogenous tissue PO:0030075 antheridium head A disk-shaped cardinal organ part (PO:0025001) that is the apical portion of an antheridiophore (PO:0030033) and bears antheridia (PO:0025125). antheridial head; cabeza del anteridio (Spanish); 造精器頭部 (Japanese) PO:0030076 archegonium head An umbrella-shaped cardinal organ part that is the apical portion of an archegoniophore and bears archegonia. archegonial head; cabeza del arquegonio (Spanish); 造卵器頭部 (Japanese) PO:0030077 protonemal side branch rhizoid initial cell A protonema side branch initial that gives rise to a protonemal rhizoid. protonema side branch rhizoid initial; protonemal side branch rhizoid initial; rama lateral inicial del rizoide protonémico (Spanish); 原糸体側枝仮根始原細胞 (Japanese) PO:0030078 rhizoid A plant structure (PO:0009011) that is a uniseriate filament with positive geotropism that grows from an epidermis (PO:0005679) or protonema (PO:0030003). rizoide (Spanish); 仮根 (Japanese) PO:0030079 protonemal rhizoid A rhizoid that is part of a protonema and develops from a protonemal side branch rhizoid initial. rizoide protonémico (Spanish); 原糸体仮根 (Japanese) PO:0030080 rhizoid meristematic apical cell A gametophyte meristematic apical cell that is part of a rhizoid. célula apical meristemática del rizoide (Spanish); rhizoid apical cell; rhizoid apical initial; 仮根分裂頂端細胞 (Japanese) PO:0030081 caulonema meristematic apical cell A protonema meristematic apical cell that is part of a caulonema. célula apical meristemática del caulonema (Spanish); caulonema apical cell; caulonema apical initial; カウロネマ分裂頂端細胞 (Japanese) PO:0030082 chloronema meristematic apical cell A protonema meristematic apical cell that is part of a chloronema. célula apical meristemática del cloronema (Spanish); chloronema apical cell; chloronema apical initial; クロロネマ分裂頂端細胞 (Japanese) PO:0030083 gametophore bud initial cell A protonema sub-apical initial hat gives rise to a gametophore bud. 茎葉体芽始原細胞 (Japanese); gametophore bud initial PO:0030084 amphithecium A portion of plant tissue that is the outer layer or layers of a sporangium early in sporangium development. anfitecio (Spanish); アンフィテシウム細胞 (Japanese) PO:0030085 protosporangium endothecium A portion of ground tissue that is the tissue internal to an amphithecium early in sporangium development. endotecio del protoesporangio (Spanish); endothecium of protosporangium; 原生胞子嚢内皮 (Japanese) PO:0030086 protonema sub-apical initial cell An initial cell that is produced by longitudinal division of a sub-apical cell of a protonema. célula subapical inicial del protonema (Spanish); protonema sub-apical initial; protonemal sub-apical initial cell; 原糸体次頂端始原細胞 (Japanese) PO:0030087 non-vascular leaf initial cell An initial cell that is part of a gametophore and gives rise to a non-vascular leaf. célula inicial de la hoja no vascular (Spanish); 非維管束葉の始原細胞 (Japanese); non-vascular leaf initial