2011-10-19 Database version: po_beta
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) anatomy
PO:0000002 anther wall A microsporangium wall that is part of an anther. pared de la antera (Spanish); Poaceae anther wall; pollen sac wall; Zea anther wall anatomy
PO:0000003 whole plant A plant structure which is a whole organism. gametophyte; planta entera (Spanish); prothallium; seedling; sporophyte anatomy
PO:0000004 in vitro plant structure A plant structure that is grown or maintained in vitro. estructura vegetal in vito (Spanish) anatomy
PO:0000005 cultured plant cell A plant cell that is grown or maintained in vitro. célula cultivada (Spanish); cell suspension anatomy
PO:0000006 plant protoplast A cultured plant cell from which the entire plant cell wall has been removed. protoplasto cultivado (Spanish) anatomy
PO:0000007 leaf-derived cultured plant cell A cultured plant cell that was derived from leaf tissue. célula cultivada de hoja (Spanish) anatomy
PO:0000008 root-derived cultured plant cell A cultured plant cell that was derived from root tissue. célula cultivada de raíz (Spanish) anatomy
PO:0000009 cultured plant callus A plant callus grown or maintained in vitro. callo cultivado (Spanish) anatomy
PO:0000010 cultured plant embryo A plant embryo that is grown or maintained in vitro. embrión cultivado (Spanish) anatomy
PO:0000011 cultured somatic plant embryo A somatic plant embryo grown and maintained in vitro. embrión somático cultivado (Spanish) anatomy
PO:0000012 apical hook Hook-like structure which develops at the apical part of the hypocotyl in dark-grown seedlings in dicots. gancho apical (Spanish); hypocotyl hook anatomy
PO:0000013 cauline leaf Leaf or pairs/whorls of leaves borne on the stem. hoja caulinar (Spanish) anatomy
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. hoja en roseta (Spanish) anatomy
PO:0000015 cotyledon primordium A phyllome primordium that will develop into a cotyledon. primordio de cotiledón (Spanish) anatomy
PO:0000016 lateral root primordium A root primordium that is derived from a root pericycle and will develop into a lateral root. primordio de raíz lateral (Spanish) anatomy
PO:0000017 leaf primordium A phyllome primordium that will develop into a leaf. primordio de hoja (Spanish) anatomy
PO:0000018 ovule primordium A primordium that will develop into an ovule. primordio de óvulo (Spanish) anatomy
PO:0000019 gynoecium primordium A primordium that will develop into a gynoecium. primordio de gineceo (Spanish) anatomy
PO:0000020 starch sheath cell OBSOLETE. Cells characterized by conspicuous and rather stable accumulation of starch. célula con almidón de la vaina (Spanish) anatomy
PO:0000021 petal primordium A phyllome primordium that will develop into a petal. primordio de pétalo (Spanish) anatomy
PO:0000022 cuticle A layer of fatty material, cutin, rather impervious to water, located on the outer walls of epidermal cells. cutícula (Spanish) anatomy
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) anatomy
PO:0000024 filiform apparatus OBSOLETE. A complex of cell wall invaginations in a synergid cell similar to those in transfer cells. aparato filiforme (Spanish) anatomy
PO:0000025 root tip The portion of the root including the meristem and root cap. punta de la raíz (Spanish) anatomy
PO:0000026 primary root tip The portion of the primary root including the meristem and root cap. punta de la raíz primaria (Spanish) anatomy
PO:0000027 lateral root tip The portion of the lateral root including the meristem and root cap. punta de la raíz lateral (Spanish) anatomy
PO:0000028 pollen tube tip OBSOLETE. Tip portion of the pollen tube that is rapidly growing. punta del tubo polínico (Spanish) anatomy
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) anatomy
PO:0000029 root hair tip OBSOLETE. Tip portion of an outgrowth of a root epidermal cell. punta del pelo de la raíz (Spanish) anatomy
PO:0000256 root hair cell A root epidermal cell with a simple extension that is concerned with absorption of soil solution. célula del pelo de la raíz (Spanish) anatomy
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. septo (Spanish) anatomy
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. lenticela (Spanish) anatomy
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) anatomy
PO:0000033 fruit valve A valve that is a part of a fruit that splits apart when the fruit dehisces. valva de fruto (Spanish) anatomy
PO:0000034 vascular system A plant structure that includes the totality of the portions of vascular tissue in their specific arrangement in a whole plant or in a constituent part thereof. sistema vascular (Spanish) anatomy
PO:0000035 cotyledon vascular system A vascular system that is part of a cotyledon. sistema vascular del cotiledón (Spanish) anatomy
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. sistema vascular de la hoja (Spanish) anatomy
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) anatomy
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 tripoid. célula primaria del endosperma (Spanish) anatomy
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. branch vascular system; sistema vascular del eje del epiblasto (epiblastema) (Spanish); stem vascular system anatomy
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 anatomy
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) anatomy
PO:0000042 shoot-borne root A post-embryonic root that develops from shoot tissue. adventitious root; aerial root; epiblasto (epiblastema) que se origina en la raíz (Spanish); stilt root anatomy
PO:0000043 crown root Adventitious root formed at the base of the growing stem (known as a crown). raíz en corona (Spanish) anatomy
PO:0000044 prop root Adventitious root formed at stem nodes above the ground and growing directly into the soil. brace root; raíz de sostén (Spanish) anatomy
PO:0000045 embryo root A root that is initiated in a developing embryo. embryonic root; raíz embriónica (Spanish) anatomy
PO:0000046 seminal root A root formed within the scutellar node of the embryo in some monocotyledonous plants. lateral seminal root; raíz seminal (Spanish); scutellar nodal root; secondary root anatomy
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) anatomy
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. sistema vascular de la lámina de la hoja (Spanish) anatomy
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) anatomy
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) anatomy
PO:0000051 petiole epidermis A portion of leaf epidermis that is part of a petiole. epidermis del pecíolo (Spanish) anatomy
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. sistema vascular del pecíolo (Spanish) anatomy
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); portion of petiole corex tissue anatomy
PO:0000054 petal vascular system A phyllome vascular system that includes the totality of the portions of vascular tissue in their specific arrangement in a petal. sistema vascular de pétalo (Spanish) anatomy
PO:0000055 bud An undeveloped shoot system. yema (Spanish) anatomy
PO:0000056 flower bud A bud that develops into a flower. floral bud; yema floral (Spanish) anatomy
PO:0000057 inflorescence bud A bud that develops into an inflorescence. male bud; yema de inflorescencia (Spanish) anatomy
PO:0000058 vegetative bud A bud that develops into a shoot system that has as organ parts only vegetative organs. yema vegetativa (Spanish) anatomy
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 stem cell anatomy
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 stem cell anatomy
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 stem cell anatomy
PO:0000062 stomatal initial 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 cell; stomatal meristemoid anatomy
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; leaf procambium cell anatomy
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) anatomy
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) anatomy
PO:0000066 epithem cell A parenchyma cell of the mesophyll of a hydathode found between the xylem endings and the epidermis. célular ??? (Spanish) anatomy
PO:0000071 companion cell A specialized parenchyma cell associated with a sieve-tube member in angiosperm phloem and arising from the same mother cell as the sieve-tube member. célula acompañiante (Spanish) anatomy
PO:0000074 parenchyma cell A relatively unspecialized ground tissue cell with a nucleate protoplast. célula parenquimática (Spanish) anatomy
PO:0000075 collenchyma cell An elongated plant cell with unevenly thickened non-lignified primary walls that is alive at maturity. célula colenquimática (Spanish) anatomy
PO:0000076 chlorenchyma cell A parenchyma cell containing chloroplasts; a component of leaf mesophyll and other green parenchyma tissue. célula clorenquimática (Spanish) anatomy
PO:0000077 sclerenchyma cell Usually dead cell variable in form and size, with more or less thick, often lignified, secondary walls. célula esclerenquimática (Spanish) anatomy
PO:0000078 transfer cell A cell with wall ingrowths (or invaginations) that increase the surface of the plasmalemma. célula de transferencia (Spanish) anatomy
PO:0000079 fusiform initial 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); fusiform initial cell; xylem initial; xylem mother cell anatomy
PO:0000081 axial cell 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) anatomy
PO:0000082 ray initial A cambial initial cell that gives rise to ray cells of the secondary xylem and secondary phloem. célula inicial de rayo (Spanish); ray initial cell anatomy
PO:0000084 plant sperm cell A gamete produced by an antheridium or a microgametophyte. célula espermática o esperma (Spanish); male gamete; microgamete; sperm nucleus anatomy
PO:0000112 shoot axis epidermis A portion of shoot epidermis that is part of a shoot axis. branch epidermis; culm epidermis; epidermis del eje del tallo (Spanish); stem epidermis anatomy
PO:0000115 socket cell A shoot epidermal cell that surrounds a trichome and provides its support. célula de encaje (Spanish); cell located at the base of the trichome; trichome support cell anatomy
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; zona de absición (Spanish) anatomy
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) anatomy
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 nC:cleos libres (Spanish); nuclear endosperm anatomy
PO:0000199 cellular endosperm Endosperm in which the first karyokinesis event is accompanied by cytokinesis. endosperma célular (Spanish) anatomy
PO:0000200 micropylar endosperm A portion of plant tissue that is the region of the endosperm closest to the micropyle of the seed. endosperma micrópilar (Spanish); micropylar region; portion of micropylar endosperm anatomy
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. chalazal endosperm cyst; ciste calazal (Spanish); portion of chalazal cyst anatomy
PO:0000207 nectary epidermis A portion of shoot epidermis that is part of a nectary. epidermis del nectario (Spanish) anatomy
PO:0000223 shoot axis cortex A portion of ground tissue that is part of a cortex and part of a shoot axis. branch cortex; cortex del eje del epiblasto (epiblastema) del tallo (Spanish); portion of shoot axis cortex tissue; stem cortex anatomy
PO:0000224 central zone An area of densely packed cells in the shoot apex that divide infrequently. central initiation zone; zona central (Spanish) anatomy
PO:0000225 peripheral zone Organogenic region of the meristem, characterized by higher rates of cell division. peripheral meristem; zona periférica (Spanish) anatomy
PO:0000226 rib zone The region of the shoot apical meristem that lies below the central zone and is flanked by the peripheral zone. file meristem; zona de costilla (Spanish) anatomy
PO:0000229 flower meristem A portion of meristem tissue that gives rise to the floral organs. ear floret meristem; floral apical meristem; floral meristem; floret meristem; mersitema floral (Spanish); Poaceae floret meristem; tassel floret meristem anatomy
PO:0000230 inflorescence meristem A meristem that gives rise to an inflorescence. meristema de la inflorescencia (Spanish) anatomy
PO:0000232 axillary bud meristem A shoot meristem formed in the axil of the leaf. axillary meristem; meristema de yema axilar (Spanish) anatomy
PO:0000244 functional megaspore A megaspore(s) that forms an embryo sac. megaspora funcional (Spanish); Poaceae functional megaspore anatomy
PO:0000245 degenerate megaspore In monosporic and bisporic megasporogenesis: the megaspore(s) that would not participate in megagametogenesis. megaspora degenerativa (Spanish); Poaceae degenerate megaspore anatomy
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 anatomy
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 anatomy
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) anatomy
PO:0000263 atrichoblast A root epidermal cell that is formed after asymmetric division of an epidermal initial and does not give rise to a root hair. atricoblasto (Spanish); non-hair cell anatomy
PO:0000272 protoxylem A portion of xylem tissue composed of any of the first formed elements of the primary xylem. portion of protoxylem tissue; protoxilema (Spanish) anatomy
PO:0000273 xylem element A cell making up xylem tissue. elemento del xilema (Spanish) anatomy
PO:0000274 xylem fiber A fiber in xylem. fibra del xilema (Spanish) anatomy
PO:0000282 trichome A unicellular or multicellular plant structure that forms a non-sclerified outgrowth from the epidermis. non-secretory trichome; tricoma (Spanish) anatomy
PO:0000283 idioblast A plant cell that markedly differs in form, size, or contents from other cells in the same tissue. idioblasto (Spanish) anatomy
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) anatomy
PO:0000289 sieve tube member One of the series of cells that make up a sieve tube; it shows a more or less pronounced differentiation between sieve plates (wide pores) and lateral sieve areas (narrow pores). miembro del tubo criboso (Spanish); sieve element; sieve tube element anatomy
PO:0000290 tracheary element General term for any water conducting cell, tracheid or vessel member. elemento de traqueida (Spanish) anatomy
PO:0000293 guard cell One of a pair of cells flanking the stomatal pore. célula guardiana (Spanish) anatomy
PO:0000295 cambial initial 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 cell anatomy
PO:0000301 tracheid In the xylem, a dead elongated water-conducting cell in which at least the middle lamella of the end walls remains intact. traqueida (Spanish) anatomy
PO:0000309 nectary parenchyma A portion of parenchyma tissue that is part of a nectary. parénquima nectarifero (Spanish) anatomy
PO:0000332 epidermal pavement cell A shoot epidermal cell that is relatively unspecialized at maturity. célula del pavimento epidermal (Spanish) anatomy
PO:0000349 epidermal initial 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 cell anatomy
PO:0000351 guard mother cell A shoot epidermal cell that divides to produce the guard cells. célula madre de la célula guardiana (Spanish) anatomy
PO:0000352 myrosin cell A cell containing glucosinolates ("mustard oil glucosides") and myrosinases, enzymes hydrolyzing the glucosinolates. célula de mirosina (Spanish) anatomy
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) anatomy
PO:0000355 fiber tracheid A fiber-like tracheid in the secondary xylem; commonly thick walled, with pointed ends and bordered pits that have lenticular to slit-like apertures. fibrotraqueida (Spanish) anatomy
PO:0000372 metaxylem A portion of xylem tissue that is part of the primary xylem and differentiates after the protoxylem and before the secondary xylem, if any of the latter is formed. metaxilema (Spanish); portion of metaxylem tissue anatomy
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) anatomy
PO:0000400 phloem mother cell A cambial initial cell which is destined to differentiate into secondary phloem. célula madre del floema (Spanish) anatomy
PO:0000423 zygote Diploid cell produced by the fusion of sperm cell nucleus and egg cell. cigoto (Spanish) anatomy
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 anatomy
PO:0001000 meristem eloboration OBSOLETE. the root meristem gets organized temporal
PO:0001002 fruit development stages Stages of development of a fruit defined by characteristic morphological, structural, histological or other visible features. stage 17 flower in Arabidopsis; stage 18 flower in Arabidopsis temporal
PO:0001003 formation of the leaf founder cells The initial stage of leaf development when cells in the SAM are already determined to form a leaf primordium, but the primordium itself is not distinguishable morphologically. P0 stage temporal
PO:0001004 anther developmental stages Stages of development of the anther defined by characteristic morphological, cytological, histological or other visible features. temporal
PO:0001005 A archesporial cells visible An initial stage during which archesporial cells arise in four corners of L2 layer. Change in shape of primordia to more oval. temporal
PO:0001006 B enlarged microsporocyte stage Stage during which the microsporocytes become conspicuous. pollen stage 2 in Arabidopsis temporal
PO:0001007 pollen developmental stages Stages of development of the pollen defined by characteristic morphological, cytological, histological or other visible features. pollen development in Arabidopsis temporal
PO:0001008 C callose wall formation in pollen mother cells Stage during which diploid pollen mother cells become separated from each other and from tapetum by a callose wall. pollen mother cell stage; pollen stage 3 in Arabidopsis temporal
PO:0001009 D pollen mother cell meiosis stage Stage during which pollen mother cells undergo meiosis to form tetrads of microspores. pollen stage 4 in Arabidopsis temporal
PO:0001010 F microspore release stage Stage of microgametophyte development during which the callose wall between the tetrads breaks down and haploid microspores are released and lie freely in locules. pollen stage 5 in Arabidopsis temporal
PO:0001011 A microsporogenous mass stage An initial stage during which the archesporial cells divide to give rise to primary parietal and sporogenous cells. pollen stage 1 in Arabidopsis temporal
PO:0001012 G early unicellular microspore stage Stage of microgametophyte development during which the microspores round up and small vacuoles appear in their cytoplasm. The microspore walls thicken due to the formation of the exine. pollen stage 6 in Arabidopsis temporal
PO:0001013 H late unicellular microspore stage Stage of microgametophyte development during which a large vacuole is formed in each microspore causing a rapid increase in size and a displacement of the nucleus to one side. pollen stage 7 in Arabidopsis temporal
PO:0001014 I first mitotic division stage Stage of microgametophyte development during which the asymmetric, first mitotic division of the microspores occurs producing a large vegetative cell and small generative cell, located near pollen wall. pollen stage 8 in Arabidopsis temporal
PO:0001015 K second mitotic division stage Stage of microgametophyte development during which the generative cell undergoes mitotic division to form two male gametes, the sperm cells. pollen stage 9 in Arabidopsis temporal
PO:0001016 L mature pollen stage Stage of microgametophyte development during which the pollen reaches mature stage and desiccates. pollen stage 10 in Arabidopsis temporal
PO:0001017 M germinated pollen stage The final stage in the life cycle of the male gametophyte. Upon rehydration, mature pollen grain forms a tubular outgrowth, the pollen tube, which carries the male gametes. germinated pollen grain in Arabidopsis temporal
PO:0001018 B formation of primary parietal and sporogenous cells Stage during which the primary parietal and primary sporogenous layers are derived from archesporial cells. temporal
PO:0001019 formation of leaf primordium Stage of leaf development when leaf primordium is formed as a small protrusion on the flank of SAM. P1 stage temporal
PO:0001020 hood-shaped primordium Stage of leaf development when a hood-shaped primordium is formed, partially enclosing P1 and SAM, as in Poaceae. P2 stage temporal
PO:0001021 formation of ligule primordium Stage of leaf development when conical P3 leaf completely encloses SAM, and the ligule primordium is visible, as in Poaceae. P3 stage temporal
PO:0001023 rapid elongation of leaf blade Stage of leaf development during which a rapid elongation of the leaf blade occurs; the elongation of the leaf sheath has not started, as in Poaceae. P4 stage temporal
PO:0001024 rapid elongation of leaf sheath Stage of leaf development during which a rapid elongation of the leaf sheath occurs, as in Poaceae. P5 stage temporal
PO:0001025 C four anther lobes formed Stage during which the four-lobed anther pattern with two developing stomium regions (notch) are formed. temporal
PO:0001026 D locules established Stage during which the four clearly defined locules are established. All anther cell types present and microspore mother cells appear. stage 8 flower in Arabidopsis temporal
PO:0001027 meristamtic zone formation OBSOLETE. The meristematic zone is formed temporal
PO:0001028 elongation zone formation OBSOLETE. The cells of root primordium undergo elonagtion temporal
PO:0001029 E tetrad stage Stage immediately following meiosis, during which the tetrads of microspores are still hold together, enclosed by the callose wall. temporal
PO:0001030 specialization zone formation OBSOLETE. The cells develop their characteristic morphology. temporal
PO:0001031 4 root elongation The stage at which root is elongating. Benfey's stage 2 of root development temporal
PO:0001032 E tapetum degeneration initiated Stage during which degeneration of the tapetum is initiated, as the deposition on the surface of the microspore primexine proceeds. temporal
PO:0001034 F bilocular anther stage Stage during which anther becomes bilocular, after degeneration and breakage of septum below stomium. temporal
PO:0001035 G anther dehiscence Stage during which the dehiscence of anthers occurs. Anther breaks along stomium and pollen is released. temporal
PO:0001036 H anther senescence Stage during which the senescence of anther and stamen occurs. Shrinkage of cells and anther structure takes place. temporal
PO:0001040 dry seed stage Mature seed with low moisture content. 00 Dry Seed in soybean; 1.01-dry seed in Triticeae; BBCH growth stage 00; dry seed in Arabidopsis temporal
PO:0001041 chalazal and micropylar domain establishment The initial stage of endosperm development during which the chalazal and micropilar domains are established. temporal
PO:0001042 functional specialization of the endosperm Stage of endosperm development during which the functional specialization of the maturing endosperm occurs. temporal
PO:0001044 sepal differentiation and expansion stage Stage of calyx development defined by differentiation and expansion of sepal. temporal
PO:0001045 fully expanded sepal Stage of calyx development when sepal is fully expanded. temporal
PO:0001047 lemma developmental stages Stages of development of the lemma defined by characteristic morphological, structural, histological or other visible features. temporal
PO:0001048 palea developmental stages Stages of development of the palea defined by characteristic morphological, structural, histological or other visible features. temporal
PO:0001049 lodicule developmental stages Stages of development of the lodicule defined by characteristic morphological, structural, histological or other visible features. temporal
PO:0001050 leaf development stages Stages of development of a leaf defined by characteristic morphological, structural, histological or other visible features. leaf development in Arabidopsis; leaf development stage temporal
PO:0001051 1 leaf initiation stage The earliest histological evidence of leaf initiation, i.e, a change in the orientation of cell division both in the epidermis and in internal layers of the shoot meristem occurs at this stage (Poethig S, 1997, Plant Cell 9:1077-1087). leaf initiation in Arabidopsis temporal
PO:0001052 2 leaf expansion stage Stage of leaf development which begins when cell differentiation and cell expansion occurs and finishes when the leaf reaches its full size. leaf expansion stage in Arabidopsis temporal
PO:0001053 3 leaf fully expanded Stage of leaf development when leaf is fully expanded. fully expanded leaf stage in Arabidopsis temporal
PO:0001054 4 leaf senescence stage The final stage of leaf development when the leaf ceases metabolic activity and senesces. leaf senescence stage in Arabidopsis temporal
PO:0001055 lemma primordia visible Stage of lemma development that begins when the lemma primordia arise. temporal
PO:0001056 lemma differentiation and expansion stage Stage of lemma development defined by differentiation and expansion of lemma. temporal
PO:0001057 fully expanded lemma Stage of lemma development when lemma is fully expanded. temporal
PO:0001058 palea primordia visible Stage of palea development that begins when the palea primordia arise. temporal
PO:0001059 J bicellular pollen stage Stage of microgametophyte development during which the small generative cell moves inward, becoming completely surrounded by the cytoplasm of the vegetative cell. temporal
PO:0001070 palea differentiation and expansion stage Stage of palea development defined by differentiation and expansion of palea. temporal
PO:0001071 fully expanded palea Stage of palea development when palea is fully expanded. temporal
PO:0001072 lodicule primordia visible Stage of lodicule development that begins when the lodicule primordia arise. temporal
PO:0001074 N second mitotic division stage in germinating pollen Stage of microgametophyte development during which the generative cell undergoes a mitotic division to form two male gametes, the sperm cells. temporal
PO:0001077 lodicule differentiation and expansion stage Stage of lodicule development defined by differentiation and expansion of lodicule. temporal
PO:0001078 E expanded cotyledon stage The stage during which embryo axis and cotyledons rapidly elongate as a result of cell division and cell expansion. curled cotyledon stage in Arabidopsis; torpedo stage in Arabidopsis temporal
PO:0001079 fully expanded lodicule Stage of lodicule development when lodicule is fully expanded. temporal
PO:0001081 F mature embryo stage Stage at which the embryo is fully developed. mature (stage) in Arabidopsis temporal
PO:0001083 inflorescence development stages Stages of development of an inflorescence defined by characteristic morphological, structural, histological or other visible features. temporal
PO:0001094 coleoptilar stage The coleoptilar primordium, SAM and radicle are formed in the embryo of grasses. SAM and radicle formation stage temporal
PO:0001095 true leaf formation During this stage, the protrusion of the first leaf primordia takes place in succession. temporal
PO:0001096 primary endosperm cell stage One cell stage that takes place following the fertilization, produced by the fusion of sperm cell nucleus and one or more polar nuclei. temporal
PO:0001097 A zygotic stage One cell stage that results from fertilization. one cell stage; zygote in Arabidopsis temporal
PO:0001098 formation of starchy endosperm OBSOLETE. Stage of endosperm development during wich the formation of starchy endosperm occurs. temporal
PO:0001099 formation of aleurone and starchy layers Differentiation of aleurone layer, the outermost endosperm tissue, and the internal starchy tissue. temporal
PO:0001170 seed development stages Stages of seed development, from fertilization to the dry or quiescent state. seed development in Arabidopsis temporal
PO:0001180 B proembryo stage Early embryo development from two cell stage to a multicellular globular stage before three main tissue systems are differentiated. eight-celled stage in Arabidopsis; two-celled stage in Arabidopsis temporal
PO:0001185 C globular stage During this stage the embryo proper retains radial symmetry (increasing in diameter), and three main tissue systems are established. dermatogen stage in Arabidopsis; globular stage in Arabidopsis; late globular stage in Arabidopsis; mid-globular stage in Arabidopsis temporal
PO:0001378 sepals enclosing meristem Stage of calyx development that begins when the developing sepals overlie the floral meristem. stage 4 flower in Arabidopsis temporal
PO:0001380 sepals enclosing flower bud Stage of calyx development that begins when the sepals enclose the floral bud. sepals enclosing floral bud; stage 6 flower in Arabidopsis temporal
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 anatomy
PO:0002001 papillae OBSOLETE. A soft protuberance on an epidermal cell of the stigma. papila (Spanish) anatomy
PO:0025166 papilla cell An epidermal pavement cell with a short protuberance. célula papilosa (Spanish) anatomy
PO:0025167 leaf papilla cell A papilla cell that is part of a leaf epidermis. célula papilosa de la epidermis (Spanish) anatomy
PO:0025168 stigma papilla cell A papilla cell that is part of a stigma epidermis. célula papilosa del estigma (Spanish) anatomy
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 anatomy
PO:0002003 vessel member One of the cellular components of a vessel, a dead cell with the wall between adjacent members being variously perforated and the walls that persist variously thickened. miembro de vaso (Spanish); vessel element; vessel segment anatomy
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). cicatriz sedosa (Spanish) anatomy
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. zona de transición (Spanish) anatomy
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) anatomy
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) anatomy
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) anatomy
PO:0003005 nodal root Adventitious root that forms at a shoot node. raíz nodosa (Spanish) anatomy
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) anatomy
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) anatomy
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) anatomy
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) anatomy
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) anatomy
PO:0003017 root cap of primary root A root cap that is part of a primary root tip. caliptra de la raíz primary (Spanish) anatomy
PO:0003018 root cap of lateral root A root cap that is part of a lateral root tip. caliptra de la raíz lateral (Spanish) anatomy
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) anatomy
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) anatomy
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) anatomy
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) anatomy
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) anatomy
PO:0003024 stolon A branch that is slender, prostrate or trailing and above-ground and produces roots and sometimes erect shoots at its nodes. estolón (Spanish); runner anatomy
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) anatomy
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 anatomy
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 anatomy
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) anatomy
PO:0004003 phellem A portion of ground issue centrifugally derived from cork cambium, non-living at maturity, and having suberized walls. cork; felema (Spanish); portion of phellem tissue anatomy
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) anatomy
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) anatomy
PO:0004006 mesophyll cell A chlorenchyma cell that is part of a mesophyll. célula del mesófilo (Spanish) anatomy
PO:0004007 phelloid cell OBSOLETE. A cell within the phellem (cork) but distinct from the cork cell in having no suberin in its walls. célula del feloide (Spanish) anatomy
PO:0004008 photosynthetic cell OBSOLETE. A chloroplast-containing cell engaged in photosynthesis. célula fotosintetizadora (Spanish) anatomy
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. célula silícica (Spanish) anatomy
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) anatomy
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); meristemoid; stem cell anatomy
PO:0004012 secretory cell OBSOLETE. Cell that produces secreted substances. célula secretora (Spanish) anatomy
PO:0004013 epidermal cell A plant cell that is part of a portion of epidermis. célula epidérmica (Spanish) anatomy
PO:0004500 formation of leaflet primordia Stage at which leaflet primordia are initiated on the leaf primordium of a compound leaf. temporal
PO:0004501 gynoecium differentiation and expansion Stage of gynoecium development defined by differentiation and expansion of carpels. temporal
PO:0004502 closure of carpel(s) Stage of gynoecium development defined by the closure of the carpel(s). temporal
PO:0004503 stigma cell differentiation Epidermal cells at the top of developing style differentiate stigma. temporal
PO:0004504 ovule differentiation and expansion Stage of ovule development defined by differentiation and expansion of ovules. temporal
PO:0004505 fertilized ovule stage The earliest stage of seed development immediately following double fertilization. temporal
PO:0004506 developing seed stage Stage of seed development characterized by seed growth and differentiation. temporal
PO:0004507 D bilateral stage Change from radial to bilateral symmetry takes place during this embryonic stage. heart stage in Arabidopsis; heart-shape stage; transition stage in maize; triangle stage in Arabidopsis temporal
PO:0004509 glandular trichome A trichome that secretes or sequesters a portion of plant substance. secretory trichome; tricoma glándular (Spanish) anatomy
PO:0004511 seed trichome A trichome that develops from seed coat epidermis and is often long with putative dispersal function. pubescence; seed hair; tricoma de la semilla (Spanish) anatomy
PO:0004512 heartwood The inner layers of secondary xylem that have largely ceased to function in storage and conduction and in which reserve materials have been removed or converted into heartwood substances; generally darker colored than the functioning sapwood. duramen (Spanish) anatomy
PO:0004513 sapwood Outer part of the wood of stem or root containing living cells and reserves and in which conduction of water takes place. Generally lighter colored than the heartwood. albura (Spanish) anatomy
PO:0004514 growth ring A growth layer of secondary xylem or secondary phloem as seen in transection of stem or root; may be an annual ring or a false annual ring. anillo de crecimiento (Spanish); annual ring anatomy
PO:0004515 early wood The wood formed in first part of a growth ring and characterized by a lower density and larger cells than the late wood. madera temprana (Spanish); spring wood anatomy
PO:0004516 late wood The secondary xylem formed in the later part of a growth ring; denser and composed of smaller cells than the early wood. madera tardía (Spanish); summer wood anatomy
PO:0004517 growth ring boundary Boundary between two growth rings. límite del anillo de crecimiento (Spanish) anatomy
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 anatomy
PO:0004519 phloem fiber A fiber in phloem. fibra del floema (Spanish) anatomy
PO:0004520 libriform fiber A xylem fiber commonly with thick walls and simple pits. fibra libriforme (Spanish) anatomy
PO:0004521 septate fiber A fiber with thin transverse walls (septa), which are formed after the cell develops a secondary wall thickening. fibra septada (Spanish) anatomy
PO:0004522 outer vascular cambium Cambium at the outer margin of the xylem cylinder. cambium vascular externo (Spanish) anatomy
PO:0004523 included vascular cambium Cambium occurring within xylem. cambium vascular interno (Spanish) anatomy
PO:0004524 included phloem A portion of phloem tissue produced by included vascular cambium. floema incluido (Spanish); floema interno (Spanish) anatomy
PO:0004525 wood parenchyma cell Parenchyma cell occurring within secondary xylem. célula parenquimática de la madera (Spanish) anatomy
PO:0004526 axial wood parenchyma cell Parenchyma cell in the axial system of secondary xylem. célula parenquimática axial de la madera (Spanish) anatomy
PO:0004527 ray wood parenchyma cell Parenchyma cell of a ray in secondary xylem. célula parenquimática de rayo de la madera (Spanish) anatomy
PO:0004528 upright wood ray parenchyma cell Ray cell in secondary xylem oriented axially (vertically in the axis) with its longest dimension. rayo parénquimático vertical de la madera (Spanish) anatomy
PO:0004529 procumbent wood ray parenchyma cell Ray cell within secondary xylem having its longest axis in radial direction. célula procumbente del rayo de la madera (Spanish) anatomy
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. célula de baldoza B (Spanish) anatomy
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) anatomy
PO:0004532 wood parenchyma Parenchymatous tissue occurring in the wood. parénquima de la madera (Spanish) anatomy
PO:0004533 axial wood parenchyma Parenchyma tissue in the axial system of secondary xylem. parénquima axial de la madera (Spanish) anatomy
PO:0004534 ray wood parenchyma Radially oriented parenchyma tissue in secondary xylem. parénquima de rayo de la madera (Spanish) anatomy
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) anatomy
PO:0004536 fruit pedicel An infructescence branch that supports an individual fruit. pedicelo del fruto (Spanish) anatomy
PO:0004537 nucellar plant embryo A somatic plant embryo derived directly from nucellus cells. adventitious embryo; embrión adventicio (Spanish) anatomy
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. nódulo indeterminable (Spanish) anatomy
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) anatomy
PO:0004540 fruit columella A columella that forms the central axis of a fruit. columela del fruto (Spanish) anatomy
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) anatomy
PO:0004543 tuber An enlarged storage branch. tubérculo (Spanish) anatomy
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 anatomy
PO:0004545 shoot-borne shoot system A shoot system that is initiated from a shoot. branch; sistema de epiblasto (epiblastema) que nace en el epiblasto (epiblastema) (Spanish); sucker anatomy
PO:0004546 epicomic shoot Shoot developing from a trunk. tallo epicórmico (Spanish) anatomy
PO:0004547 subterranean tuber A tuber that is below ground. tubérculo subterráneo (Spanish) anatomy
PO:0004548 aerial tuber A tuber that is above ground. tubérculo aéreo (Spanish) anatomy
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) anatomy
PO:0004701 short shoot Shoot system in which the internodes elongate little or at all, bearing reproductive structures and/or leaves. brachyblast; bud spur; epiblasto (epiblastema) corto (Spanish) anatomy
PO:0004702 long shoot Shoot system in which all or most of the internodes elongate. epiblasto (epiblastema) largo (Spanish) anatomy
PO:0004703 carpel primordium A phyllome primordium that develops into a carpel. It initiates from the carpel anlagen region of the floral meristem. primordio de carpelo (Spanish) anatomy
PO:0004704 sepal primordium A phyllome primordium that will devlop into a sepal. primordio de sépalo (Spanish) anatomy
PO:0004705 stamen primordium A phyllome primordium that will develop into a stamen. primordio de estambre (Spanish) anatomy
PO:0004706 flower primordium A primordium that will develop into a flower. primordio de flor (Spanish) anatomy
PO:0004707 fruit dehiscence zone A dehiscence zone that is part of a fruit. zona de dehiscencia del fruto (Spanish) anatomy
PO:0004708 scutellar node A stem node that is the part of an embryo axis directly above the radicle where the scutellum is attached. nodo escutelar (Spanish) anatomy
PO:0004709 axillary bud A bud that develops from an axillary bud meristem. yema axilar (Spanish) anatomy
PO:0004710 axillary flower bud An axillary bud that develops into a flower. axillary floral bud; yema de flor axilar (Spanish) anatomy
PO:0004711 axillary inflorescence bud An axillary reproductive bud that develops into an inflorescence. yema de inflorescencia axilar (Spanish) anatomy
PO:0004712 axillary vegetative bud An axillary bud that develops into a long or short shoot. yema vegetativa axilar (Spanish) anatomy
PO:0004713 terminal bud A bud that develops from a shoot apical meristem. yema terminal (Spanish) anatomy
PO:0004714 terminal flower bud A terminal bud that develops into a flower. terminal floral bud; yema floral terminal (Spanish) anatomy
PO:0004715 terminal inflorescence bud A terminal reproductive bud develops into an inflorescence. yema de inflorescencia terminal (Spanish) anatomy
PO:0004716 terminal vegetative bud A terminal bud that develops into a long or short shoot. yema vegetativa terminal (Spanish) anatomy
PO:0004717 long cell A more or less rectangular leaf pavement cell in which the proximo-distal dimension is several times longer than the transverse dimension. célula larga (Spanish) anatomy
PO:0004718 short cell An isodiametric leaf pavement cell. célula corta (Spanish) anatomy
PO:0004719 hilum groove A cardinal organ part that forms a longitudinal groove in the testa through the prominent hilum of a seed. faboid split; surco del hilium (Spanish) anatomy
PO:0004720 paraclade An inflorescence branch that ends in an inflorescence that repeats the main inflorescence. paraclado (Spanish) anatomy
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 anatomy
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 anatomy
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. sistema vascular del sépalo (Spanish) anatomy
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; Poaceae crown; union del hipocótile con la raíz (Spanish) anatomy
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. lado abaxial del primordio de hoja (Spanish) anatomy
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. lado adaxial del primordio de la hoja (Spanish) anatomy
PO:0005001 basal axillary shoot A branch that forms from a leaf at the very base of the shoot. basal axillary branch; epiblasto (epiblastema) axilar basal (Spanish); ratoon; tiller anatomy
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) anatomy
PO:0005003 shoot axis trichome A trichome that is part of a shoot axis epidermis. branch trichome; eje de tricoma del epiblasto (epiblastema) (Spanish); stem trichome anatomy
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. nodo del epiblasto (epiblastema) (Spanish) anatomy
PO:0005005 shoot internode A cardinal organ part that is the part of a shoot axis between two nodes of the axis. internodo del epiblasto (epiblastema) (Spanish) anatomy
PO:0005006 articulated laticifer A structure consisting of long multinucleate tubes in which latex is found, having cross walls (articulated). laticífero articulado (Spanish) anatomy
PO:0005007 non-articulated laticifer A structure consisting of long multinucleate tubes in which latex is found, having no cross walls. laticífero no articulado (Spanish) anatomy
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) anatomy
PO:0025267 fruit replum A portion of fruit placenta tissue that divides a fruit into two or more chambers and develops from a replum. replum del fruto (Spanish) anatomy
PO:0025268 fruit septum A septum that divides a cavity or mass of tissue in a fruit and develops from an ovary septum. septo del fruto (Spanish) anatomy
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) anatomy
PO:0025262 ovary septum A septum that divides a multilocular ovary. carpel synonym; septo del ovario (Spanish) anatomy
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; placental septum; replo (replum) del ovario (Spanish) anatomy
PO:0005010 anther septum A septum that is present in an anther dehiscence zone. septo de la antera (Spanish) anatomy
PO:0005011 anther dehiscence zone A dehiscence zone that is part of an anther. zona de dehiscencia de la antera (Spanish) anatomy
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) anatomy
PO:0005013 hypocotyl epidermis The outermost primary cell layer of the hypocotyl. epidermis del hipocótile (Spanish) anatomy
PO:0005014 embryo cortex A cortex that is part of an embryo. cortex (corteza) del emrbion (Spanish) anatomy
PO:0005015 embryo endodermis A portion of endodermis that is part of an embryo. endodermis del embrión (Spanish) anatomy
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. replum (replo) (Spanish) anatomy
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. sistema vascular de la flor (Spanish) anatomy
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. sistema vascular del estambre (Spanish) anatomy
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) anatomy
PO:0005020 vascular bundle A unit strand of the vascular system containing the vascular tissues, xylem and phloem. In addition vascular cambium is often present. haz vascular (Spanish) anatomy
PO:0005021 sepal margin The margin of a sepal. margen del sépalo (Spanish) anatomy
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) anatomy
PO:0005023 abaxial epidermis of ovary The epidermal cell layer of the abaxial/outer surface of the ovary. epidermis abaxial del ovario (Spanish) anatomy
PO:0005024 adaxial epidermis of ovary The epidermal cell layer of the adaxial/inner surface of the ovary. epidermis adaxial del ovario (Spanish) anatomy
PO:0005025 middle layer of ovary wall A portion of chlorencyma 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 anatomy
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) anatomy
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) anatomy
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. sistema vascular de inflorescencia (Spanish) anatomy
PO:0005029 root primordium A primordium that will develop into a root. primordio de raíz (Spanish) anatomy
PO:0005039 primary thickening meristem A meristem that develops from a peripheral zone of a shoot apical meristem and is responsible for the primary increase in thickness of a shoot axis. meristema de engrosamiento primario (Spanish) anatomy
PO:0005040 root pith A portion of pith that is part of a root. médula de la raíz (Spanish) anatomy
PO:0005041 shoot axis pith A portion of pith that is part of a shoot axis. branch pith; médula del eje del epiblasto (epiblastema) (Spanish); stem pith anatomy
PO:0005043 secondary phloem A portion of phloem tissue formed by the activity of the vascular cambium. floema secundario (Spanish); portion of secondary phloem tissue anatomy
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 anatomy
PO:0005047 root periderm A portion of periderm that is part of a root. peridermis de la raíz (Spanish) anatomy
PO:0005048 shoot axis periderm A portion of periderm that is part of a shoot axis. branch periderm; peridermis del eje del epiblasto (epiblastema) (Spanish); stem periderm anatomy
PO:0005050 phelloderm A portion of ground tissue often resembling cortical parenchyma produced centripetally by the cork cambium. felodermis (Spanish); portion of phelloderm tissue anatomy
PO:0005051 hypodermis A portion of ground tissue that is the outermost layer of a portion of cortex. hipodermis (Spanish); portion of hypodermal tissue anatomy
PO:0005052 plant callus A portion of plant tissue that consists of mass of undifferentiated plant cells. callo (Spanish); portion of callus tissue anatomy
PO:0005053 laticifer A secretory structure that produces latex. laticífero (Spanish) anatomy
PO:0005057 shoot axis hypodermis A portion of hypodermis that is part of a shoot axis cortex. branch hypodermis; hipodermis del eje del epiblasto (epiblastema) (Spanish); stem hypodermis anatomy
PO:0005058 shoot axis endodermis A portion of endodermis that is part of a shoot axis cortex. branch endodermis; endodermis de eje del epiblasto (epiblastema) (Spanish); stem endodermis anatomy
PO:0005059 root endodermis A portion of endodermis that is part of a root cortex. endodermis de la raíz (Spanish) anatomy
PO:0005060 leaf endodermis A portion of endodermis that is part of a vascular leaf. endodermis de la hoja (Spanish) anatomy
PO:0005349 schizo-lysigenous aerenchyma OBSOLETE. Aerenchyma, originating by a combination of two processes, separation and degradation of cell walls. aerénquima esquizo-lisígeno (Spanish) anatomy
PO:0005352 xylem A portion of vascular tissue that has as parts xylem elements. portion of xylem tissue; xilema (Spanish) anatomy
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); fruit aleurone layer anatomy
PO:0005415 endosperm parenchyma A portion of seed storage parenchyma that is part of an endopserm. parénquima endospérmico (Spanish) anatomy
PO:0005417 phloem A portion of vascular tissue that has as parts sieve tube members. floema (Spanish); portion of phloem tissue anatomy
PO:0005421 parenchyma A portion of ground tissue 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 anatomy
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 anatomy
PO:0005426 chlorenchyma Chloroplast-containing parenchyma tissue. clorénquima (Spanish); portion of chlorenchyma tissue anatomy
PO:0005427 sclerenchyma A supporting tissue composed of fibers or sclereids. esclerénquima (Spanish); portion of sclerenchyma tissue; portion of sclerenchymatous tissue anatomy
PO:0005597 cambium A lateral meristem, the cells of which divide mostly periclinally. cambium (Spanish) anatomy
PO:0005598 vascular cambium A lateral meristem, the cells of which give rise to secondary xylem and phloem, leading to an increase in girth. cambium vascular (Spanish) anatomy
PO:0005599 cork cambium Lateral meristem which produces the phellem (cork) and the phelloderm. cambium de corcho (Spanish); phellogen anatomy
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) anatomy
PO:0005632 lacunar collenchyma OBSOLETE. A collenchyma characterized by intercellular spaces and cell wall thickenings facing the intercellular spaces. colénquima lacunar (Spanish) anatomy
PO:0005633 lamellar collenchyma OBSOLETE. A collenchyma in which cell wall thickenings are deposited mainly on tangential walls. colénquima laminar (Spanish); plate collenchyma; tangential collenchyma anatomy
PO:0005645 leaf mesophyll The chloroplast-containing, photosynthetic parenchymatous tissue situated between the two epidermal layers of the foliage leaf. foliage leaf mesophyll; leaf parenchyma; mesófilo de la hoja (Spanish) anatomy
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 anatomy
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 anatomy
PO:0005656 portion of secretory tissue Tissues that form specialized structures producing a secretion. gland; porción del tejido secretor (Spanish) anatomy
PO:0005660 hydathode A cardinal organ part that releases water through a hydathode pore. hidatodo (Spanish) anatomy
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) anatomy
PO:0005665 resin canal A duct of schizogenous origin lined with resin-secreting cells and containing resin. canal de resina (Spanish); resin duct anatomy
PO:0005669 oil gland A gland or a cavity lined with cells that secrete oils. glándula aceitosa (Spanish); oil cavity anatomy
PO:0005679 epidermis A portion of plant tissue composed of epidermal cells that develops from the protoderm and covers the surface of a plant structure. dermal tissue; epidermal layer; epidermis (Spanish); multiseriate epidermis; portion of epidermal tissue anatomy
PO:0005702 aerenchyma A portion of parenchyma tissue containing particularly large intercellular spaces of schizogenous or lysigenous origin. aerénquima (Spanish); portion of aerenchyma tissue anatomy
PO:0005704 rhexigenous aerenchyma OBSOLETE. Aerenchyma originating by rupture of cells. aerénquima XXXX (Spanish) anatomy
PO:0005706 lysigenous aerenchyma OBSOLETE. Aerenchyma originating by dissolution of cells. aerénquima lisígeno (Spanish) anatomy
PO:0005708 cortex A maximal portion of ground tissue between the vascular system and the epidermis in a plant. cortex (corteza) (Spanish); portion of cortex tissue anatomy
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) anatomy
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 anatomy
PO:0005848 secondary xylem A portion of xylem tissue that develops from a vascular cambium. portion of secondary xylem tissue; wood; xilema secundario (Spanish) anatomy
PO:0005849 primary xylem A portion of xylem tissue of the primary plant body. portion of primary xylem tissue; xilema primario (Spanish) anatomy
PO:0006000 caryopsis hull A collective phyllome structure that encloses a fruit of the Poaceae (caryopsis) and develops from a dried lemma and palea. plC:mula de Poaceae (Spanish); Poaceae hull anatomy
PO:0006001 phyllome A lateral plant organ produced by a shoot apical meristem. filoma (Spanish) anatomy
PO:0006002 lower glume A glume that is the proximal/basal of the two glumes subtending a pair of florets. gluma inferior (Spanish); lower empty glume; lower rudimentary glume; outer empty glume; outer glume; outer rudimentary glume anatomy
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 anatomy
PO:0006004 upper glume A glume that is the apical/distal of the two glumes subtending a pair of florets. gluma superior (Spanish); inner empty glume; inner glume; inner rudimentary glume; upper empty glume; upper rudimentary glume anatomy
PO:0006005 carpel anlagen A portion of meristem tissue that is a presumptive region on a floral meristem where carpel primordia would initiate. esbozo de carpelo (Spanish) anatomy
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); pollen sac primary parietal cell layer anatomy
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); pollen sac secondary parietal cell layer anatomy
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); pollen sac inner secondary parietal cell layer anatomy
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); pollen sac outer secondary parietal cell layer anatomy
PO:0006010 primary parietal cell It is formed by the division of a archesporial cell. célula primaria parietal (Spanish) anatomy
PO:0006011 lateral vein An unbranched second order vein of the grass leaf blade. vena lateral (Spanish) anatomy
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) anatomy
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. juice vesicle; vesícula contenedora de jugo (Spanish) anatomy
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); male archesporial initial anatomy
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); female archesporial initial; ovule archesporial cell anatomy
PO:0006016 leaf epidermis A portion of phyllome epidermis that is part of a leaf. epidermis de la hoja (Spanish); foliage leaf epidermis; phyllid epidermis anatomy
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) anatomy
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); upper epidermis anatomy
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); lower epidermis anatomy
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) anatomy
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 anatomy
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. extensión de la vaina vascular (Spanish) anatomy
PO:0006023 bundle sheath A layer or layers of cells surrounding the vascular bundles of leaves. It may consist of parenchyma or sclerenchyma. vaina del haz (Spanish) anatomy
PO:0006024 parenchyma sheath A single layered, parenchymatous bundle sheath characterized by presence of large quantity of starch. starch sheath; vaina parenquimática (Spanish) anatomy
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. vaina del mestoma (Spanish) anatomy
PO:0006032 awn A long bristle-like appendage found on the tip or back of various parts of the grass spikelet. arista (Spanish) anatomy
PO:0006033 paleal apiculus A short, abrupt, flexible point present at the apex of the palea. apículo de la palea (Spanish); apiculus anatomy
PO:0006034 leaflet margin The margin of the leaflet. margen del folíolo (Spanish) anatomy
PO:0006035 shoot epidermis A portion of epidermis that is part of a shoot system. epidermis del epiblasto (epiblastema) (Spanish) anatomy
PO:0006036 root epidermis A portion of epidermis that is part of a root system. epiblem; epidermis de la raíz (Spanish); rhizodermis anatomy
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) anatomy
PO:0006040 sepal epidermis A portion of phyllome epidermis that is part of a sepal. epidermis del sépalo (Spanish) anatomy
PO:0006041 petal epidermis A portion of phyllome epidermis that is part of a petal. epidermis del pétalo (Spanish) anatomy
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 anatomy
PO:0006043 integument epidermis A portion epidermis that is part of an integument. epidermis del integumento (Spanish); Poaceae integument epidermis anatomy
PO:0006044 inner integument epidermis The epidermis of the inner integument in an ovule. epidermis del integumento interior (Spanish) anatomy
PO:0006045 outer integument epidermis The epidermis of the outer integument in an ovule. epidermis del integumento exterior (Spanish) anatomy
PO:0006048 seed coat epidermis A portion of epidermis that is part of a seed coat. epidermis de la cubierta de la semilla (Spanish) anatomy
PO:0006049 scutellum epidermis A portion of shoot epidermis that is part of the scutellum. epidermis del escutelo (Spanish) anatomy
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 anatomy
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 anatomy
PO:0006052 petal abaxial epidermis A portion of petal epidermis that covers the abaxial/lower surface of a petal. epidermis abaxial del pétalo (Spanish) anatomy
PO:0006053 petal adaxial epidermis A portion of petal epidermis that covers the adaxial/upper surface of a petal. epidermis adaxial del pétalo (Spanish) anatomy
PO:0006054 sepal abaxial epidermis A portion of sepal epidermis that covers the abaxial/lower surface of a sepal. epidermis abaxial del sépalo (Spanish) anatomy
PO:0006055 sepal adaxial epidermis A portion of sepal epidermis that covers the adaxial/upper surface of a sepal. epidermis adaxial del sépalo (Spanish) anatomy
PO:0006056 cotyledon epidermis A leaf epidermis that is part of a cotyledon. epidermis del cotiledón (Spanish) anatomy
PO:0006057 cotyledon abaxial epidermis The abaxial/lower epidermal cell layer of the cotyledon. epidermis abaxial de cotiledón (Spanish) anatomy
PO:0006058 cotyledon adaxial epidermis The adaxial/upper epidermal cell layer of the cotyledon. epidermis adaxial de cotiledón (Spanish) anatomy
PO:0006060 filament epidermis A portion of stamen epidermis that is part of a filament. epidermis del filamento (Spanish) anatomy
PO:0006061 stigma epidermis A portion of carpel epidermis that is part of a stigma. epidermis del estigma (Spanish); Poaceae stigma epidermis anatomy
PO:0006062 style epidermis A portion of carpel epidermis that is part of a style. epidermis del estilo (Spanish); Poaceae style epidermis; transmitting tract epidermis anatomy
PO:0006063 ovary epidermis A portion of epidermis that is part of an ovary. epidermis del ovario (Spanish); Poaceae ovary epidermis anatomy
PO:0006065 hypocotyl endodermis A portion of endodermis that is part of a hypocotyl. endodermis del hipocótile (Spanish) anatomy
PO:0006066 petiole parenchyma A portion of parenchyma tissue that is part of a petiole. parénquima del pecíolo (Spanish) anatomy
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) anatomy
PO:0006068 sepal parenchyma A portion of parenchyma tissue that is part of a sepal. parénquima del sépalo (Spanish) anatomy
PO:0006069 petal parenchyma A portion of parenchyma tissue that is part of a petal. parénquima del pétalo (Spanish) anatomy
PO:0006070 mesophyll The chloroplast-containing, photosynthetic parenchymatous tissue situated between the two epidermal layers of the leaf or leaf like organs. mesófilo (Spanish) anatomy
PO:0006071 petal mesophyll The chloroplast-containing, photosynthetic parenchymatous tissue situated between the two epidermal layers of the petal. mesófilo del pétalo (Spanish) anatomy
PO:0006072 sepal mesophyll The chloroplast-containing, photosynthetic parenchymatous tissue situated between the two epidermal layers of the sepal. mesófilo del sépalo (Spanish) anatomy
PO:0006073 intercalary meristem A shoot meristem separated from the apical meristem in the primary body by more or less mature tissues. meristema intercalar (Spanish) anatomy
PO:0006074 obsolete procambium OBSOLETE. A portion of primary cambium that undergoes differentiation to form the primary vascular tissue. procambium (Spanish) anatomy
PO:0025275 procambium A portion of meristem tissue that undergoes differentiation to form the primary vascular tissue. procambio (Spanish) anatomy
PO:0006075 primary phloem A portion of phloem tissue of the primary plant body. floema primario (Spanish); portion of primary phloem tissue anatomy
PO:0006076 metaphloem Part of the primary phloem that differentiates after the protophloem and before the secondary phloem, if any of the latter is formed. metafloema (Spanish); portion of metaphloem tissue anatomy
PO:0006077 protophloem The first-formed elements of the primary phloem. portion of protophloem tissue; protofloema (Spanish) anatomy
PO:0006078 primary vascular tissue OBSOLETE. The vascular tissue of the primary plant body at the embryonic stage. tejido vascular primario (Spanish) anatomy
PO:0006079 shoot meristem A meristem that is part of a shoot system. meristema del epiblasto (epiblastema) (Spanish) anatomy
PO:0006080 secondary vascular tissue OBSOLETE. The vascular tissue derived from the vascular cambium because of the secondary growth. tejido vascular secundario (Spanish) anatomy
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) anatomy
PO:0006082 abaxial protoderm The outermost layer of the shoot apical meristem which gives rise to the abaxial/lower leaf epidermis. protodermis abaxial (Spanish) anatomy
PO:0006083 adaxial protoderm The outermost layer of the shoot apical meristem which gives rise to the adaxial/upper leaf epidermis. protodermis adaxial (Spanish) anatomy
PO:0006084 portion of transfusion tissue Tissue consisting of tracheids and parenchyma cells, associated with the vascular bundle. porción del tejido de transfusión (Spanish) anatomy
PO:0006085 root meristem A meristem that is part of a root system. meristema de la raíz (Spanish); meristematic zone anatomy
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) anatomy
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) anatomy
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) anatomy
PO:0006089 anther primordium A primordium that will develop into anther. primordio de la antera (Spanish) anatomy
PO:0006090 organogenic callus A cultured plant callus that is capable of forming plant organs. callo órganogénico (Spanish); meristematic callus anatomy
PO:0006091 embryogenic callus A cultured plant callus that is capable of forming somatic embryos. callo embriogénico (Spanish) anatomy
PO:0006109 pith A maximal portion of parenchyma in the center of a shoot axis or root. médula (Spanish); medulla anatomy
PO:0006200 fascicular cambium Vascular cambium originating from procambium within vascular bundles or fascicles. cambium fascicular (Spanish) anatomy
PO:0006201 interfascicular cambium Vascular cambium arising between vascular bundles or fascicles, in the interfascicular parenchyma or pith. cambium interfascicular (Spanish) anatomy
PO:0006202 interfascicular region A portion of ground tissue located between vascular bundles in a shoot axis. medullary ray; pith ray; región interfascicular (Spanish) anatomy
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 anatomy
PO:0006204 sporocyte A diploid (2n) cell that undergoes meiosis and produces four haploid (1n) spores. esporocito (Spanish); meiocyte; spore mother cell anatomy
PO:0006205 spongy mesophyll cell Irregularly-shaped, chlorenchymatous cell, separated by large air spaces. célula del mesófilo esponjoso (Spanish); spongy parenchyma cell anatomy
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 anatomy
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) anatomy
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) anatomy
PO:0006209 lateral root epidermis OBSOLETE. The outer most cell layer of the lateral roots. epidermis de la raíz lateral (Spanish) anatomy
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) anatomy
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) anatomy
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) anatomy
PO:0006213 root aerenchyma Parenchyma tissue containing particularly large intercellular spaces in the tissue of roots. aerénquima de la raíz (Spanish) anatomy
PO:0006214 stem aerenchyma A portion of aerenchyma that is part of a stem. aerénquima del tallo (Spanish) anatomy
PO:0006215 leaf aerenchyma A portion of parenchyma tissue containing particularly large intercellular spaces in the leaf mesophyll. aerénquima de la hoja (Spanish) anatomy
PO:0006216 internal phloem Primary phloem tissue positioned internal to the primary xylem. floema intraxilémico (Spanish); intraxylary phloem anatomy
PO:0006218 exotegmen That part of the seed coat that develops from the outer surface of the inner integument. tegmen exterior (Spanish) anatomy
PO:0006219 endotegmen That part of the seed coat that develops from the inner epidermis of the inner integument. tegmen interior (Spanish) anatomy
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 anatomy
PO:0006221 articulated laticifer cell A laticifer cell in which the walls between contiguous cells may partly or completely disappear. célula del laticífero articulado (Spanish); laticiferous vessel anatomy
PO:0006222 non-articulated laticifer cell A laticifer cell that elongates indefinitely and grows intrusively between the walls of meristematic cells. célula del laticífero no articulado (Spanish); simple laticifer anatomy
PO:0006300 obsolete plant structure OBSOLETE. The instances of this parent term are those anatomical terms which have become obsolete. estructura vegetal obsoleta (Spanish) anatomy
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) anatomy
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) anatomy
PO:0006303 L1 OBSOLETE. The outer layer of the tunica. L1 (Spanish) anatomy
PO:0009020 meristem L1 The outermost layer of a shoot apical meristem that gives rise to a shoot epidermis. meristema L1 (Spanish) anatomy
PO:0006304 L2 OBSOLETE. The second layer of the tunica. L2 (Spanish) anatomy
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) anatomy
PO:0006305 L3 OBSOLETE. The innermost layer of the tunica. L3 (Spanish) anatomy
PO:0009022 meristem L3 A multicellular layer beneath a mersistem L2 layer in a shoot apical meristem which gives rise to internal tissues of leaf and stem. meristema L3 (Spanish) anatomy
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) anatomy
PO:0025276 shoot procambium A portion of procambium tissue that is part of a shoot system. procambio del epiblasto (Spanish) anatomy
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) anatomy
PO:0006308 root lateral meristem Meristem of the root located parallel to the sides of the axis. meristema lateral de la raíz (Spanish) anatomy
PO:0006309 tassel spikelet Ultimate inflorescence branch of the maize tassel. penacho (borla) de la espiguilla (Spanish) anatomy
PO:0006310 tassel floret A spikelet floret that is part of a tassel spikelet. florete del penacho (borla) (Spanish) anatomy
PO:0006311 tassel sessile spikelet Ultimate inflorescence branch of the maize tassel without a pedicel, developing from the spikelet pair meristem. penacho (borla) sésil del florete (Spanish) anatomy
PO:0006312 tassel pedicellate spikelet Ultimate inflorescence branch of the maize tassel with a pedicel, developing from the spikelet pair meristem. penacho (borla) pedicelada del florete (Spanish) anatomy
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. florete inferior de la espiguilla pedicelada (Spanish) anatomy
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. florete superior de la espiguilla pedicelada (Spanish) anatomy
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. florete inferior de la espiguilla sésil (Spanish) anatomy
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. florete superior de la espiguilla sésil (Spanish) anatomy
PO:0006319 spikelet pedicel Inflorescence branch that terminates in a spikelet. pedicelo de la espiguilla (Spanish) anatomy
PO:0006320 ear spikelet Ultimate inflorescence branch of the maize ear. oreja de la espiguilla (Spanish) anatomy
PO:0006321 second order inflorescence axis An inflorescence branch arising from a first order inflorescence axis. eje de segundo orden en una inflorescencia (Spanish); primary inflorescence branch; second order inflorescence branch anatomy
PO:0006322 third order inflorescence axis An inflorescence branch arising from a second order inflorescence axis. eje de tercer orden en una inflorescencia (Spanish); secondary inflorescence branch; third order inflorescence branch anatomy
PO:0006323 tassel branch Any branch forming from the primary or higher order tassel axes. rama del penacho (borla) (Spanish) anatomy
PO:0006324 central spike of tassel A first order inflorescence axis that is the central axis of a tassel. espiga central del penacho (borla) (Spanish); tassel rachis anatomy
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. nodo de la inflorescencia (Spanish) anatomy
PO:0006326 inflorescence internode A shoot internode that is part of an inflorescence axis. internodo de la inflorescencia (Spanish) anatomy
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) anatomy
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) anatomy
PO:0006330 gynophore A shoot axis that is an elongation of the floral axis that supports the carpels. ginóforo (Spanish) anatomy
PO:0006331 seed raphe A cardinal organ part that is a ridge on a seed that develops from a raphe. rafe de la semilla (Spanish) anatomy
PO:0006332 seed funicle A stalk that is attached to a seed and is the remnants of a funicle. funículo de la semilla (Spanish) anatomy
PO:0006333 seed chalaza A remnant of the ovular chalaza that is part of the seed. calaza de la semilla (Spanish); portion of seed chalaza anatomy
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. micrópila de la semilla (Spanish) anatomy
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. obturador de la semilla (Spanish); portion of seed obturator tissue anatomy
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) anatomy
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. hoja juvenil (Spanish); juvenile phyllid anatomy
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. adult phyllid; hoja adulta (Spanish) anatomy
PO:0006341 primary shoot The shoot developing from the embryonic shoot apical meristem. epiblasto (epiblastema) primario (Spanish); main stalk anatomy
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) anatomy
PO:0006343 axillary shoot system A shoot-borne shoot system that develops from an axillary vegetative bud. axillary branch; Musa sucker; sistema axilar del epiblasto (epiblastema) (Spanish) anatomy
PO:0006344 shoot lateral meristem A shoot meristem located parallel to the sides of the axis. meristema lateral del epiblasto (epiblastema) (Spanish) anatomy
PO:0006345 pollen tube A tubular cell extension formed by the germinating pollen grain; carries the male gametes into the ovule. tubo polínico (Spanish) anatomy
PO:0006346 leaf intercalary meristem An intercalary meristem in the primary body of the leaf separated from the apical meristem by non-meristematic tissues. meristema intercalar de la hoja (Spanish) anatomy
PO:0006347 stem intercalary meristem An intercalary meristem in the primary body of stem separated from the apical meristem by more or less mature tissues. meristema intercalar del tallo (Spanish) anatomy
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) anatomy
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) anatomy
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. florete superior de la espiguilla pedicelada de la espiga (Spanish) anatomy
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) anatomy
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. florete superior de la espiguilla sésil de la espiga (Spanish) anatomy
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) anatomy
PO:0006354 ear floret A spikelet floret that is part of an ear spikelet. florete de la espiga (Spanish) anatomy
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. par de meristemas del penacho (borla) de la espiguilla (Spanish) anatomy
PO:0006360 ear spikelet pair meristem A meristem that produces two spikelet meristems, each of which produces two floral meristems in a maize ear. par de meristemas de la espiga de la espiguilla (Spanish) anatomy
PO:0006362 embryo shoot apical meristem A vegetative shoot apical meristem at the apex of the embryonic axis. embryonic shoot apical meristem; meristema embriónico apical del epiblasto (epiblastema) (Spanish) anatomy
PO:0006367 glume of ear spikelet A glume that is part of an ear spikelet. gluma de la espiga de la espiguilla (Spanish) anatomy
PO:0006368 glume of tassel spikelet A glume that is part of a tassel spikelet. gluma del penacho (borla) de la espiguilla (Spanish) anatomy
PO:0006369 lower glume of ear spikelet A lower glume that is part of an ear spikelet. gluma inferior la espiga de la espiguilla (Spanish) anatomy
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) anatomy
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) anatomy
PO:0006372 lower glume of tassel spikelet A lower glume that is part of a tassel spikelet. gluma inferior del penacho (borla) de la espiguilla (Spanish) anatomy
PO:0006375 ear apical meristem An inflorescence apical meristem that gives rise to the maize ear. meristema apical de la espiga (Spanish) anatomy
PO:0006376 tassel apical meristem An inflorescence apical meristem that gives rise to the maize tassel. meristema apical del penacho (borla) (Spanish) anatomy
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) anatomy
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) anatomy
PO:0006379 tassel spikelet rachilla The axis of the tassel spikelet, above the glumes. raquilla del penacho (borla) de la espiguilla (Spanish) anatomy
PO:0006380 ear spikelet rachilla The axis of the ear spikelet, above the glumes. raquilla de la espiga de la espiguilla (Spanish) anatomy
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) anatomy
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) anatomy
PO:0006387 upper glume of sessile spikelet of tassel An upper glume of tassel spikelet that is part of a tassel sessile spikelet. gluma superior de la espiguilla sésil del penacho (borla) (Spanish) anatomy
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) anatomy
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) anatomy
PO:0006390 rachilla of pedicellate spikelet of tassel The axis of the tassel pedicellate spikelet, above the glumes. raquilla de la espiguilla pedicelada del penacho (borla) (Spanish) anatomy
PO:0006415 pedicel of ear spikelet This is the ultimate branch of the pedicellate ear spikelet. pedicelo de la espiguilla de la espiga (Spanish) anatomy
PO:0006416 pedicel of tassel spikelet This is the ultimate branch of the pedicellate tassel spikelet. pedicelo de la espiguilla del penacho (borla) (Spanish) anatomy
PO:0006417 tassel peduncle A peduncle of a maize tassel, below the lowest tassel node. pedC:nculo del penacho (borla) (Spanish) anatomy
PO:0006418 ear peduncle A peduncle of a maize ear, below the lowest ear node. pedC:nculo de la espiga (Spanish); shank; Zea lateral branch anatomy
PO:0006435 rachilla of pedicellate spikelet of ear The axis of the ear pedicellate spikelet, above the glumes. raquilla de la espiguilla pedicelada de la espiga (Spanish) anatomy
PO:0006436 rachilla of sessile spikelet of ear The axis of the ear sessile spikelet, above the glumes. raquilla de la espiguilla sésil de la espiga (Spanish) anatomy
PO:0006437 lower glume of pedicellate spikelet of ear A lower glume of ear spikelet that is part of an ear pedicellate spikelet. gluma inferior de la espiguilla pedicelada de la espiga (Spanish) anatomy
PO:0006438 lower glume of sessile spikelet of ear A lower glume of ear spikelet that is part of an ear sessile spikelet. gluma inferior de la espiguilla sésil de la espiga (Spanish) anatomy
PO:0006439 upper glume of pedicellate spikelet of ear An upper glume of ear spikelet that is part of an ear pedicellate spikelet. gluma superior de la espiguilla pedicelada de la espiga (Spanish) anatomy
PO:0006440 upper glume of sessile spikelet of ear An upper glume of ear spikelet that is part of an ear sessile spikelet. gluma superior de la espiguilla sésil de la espiga (Spanish) anatomy
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. zona de absición de la hoja (Spanish) anatomy
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. zona de absición de la flor (Spanish) anatomy
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. zona de absición del fruto (Spanish) anatomy
PO:0006504 leaf trichome A phyllome trichome that is part of a leaf epidermis. phyllid trichome; tricoma de hoja (Spanish) anatomy
PO:0006505 central spike of ear A first order inflorescence axis that is the central axis of an ear. ear rachis; espiga central de la espiga de la espiga (Spanish); Zea cob anatomy
PO:0007001 FR.01 early stage of fruit ripening The early stage in fruit ripening. 09-dough development; 7 linear grain-filling in maize; 7.03-early dough in maize; 7.3 early dough stage/embryo 3 in maize; 8.03 Early ripening in soybean; 8.1-early dough stage in rice; 9.01-early dough; 9.01-early dough in barley; 9.01-early dough in oat; 9.01-early dough in wheat; BBCH principal growth stage 83; dough stage in maize; early dough stage in maize; early dough, kernel content soft, about 45% dry matter; embryo stage 3 in maize; FR.01 early stage of fruit ripening in Solanaceae; R4 in maize; rice growth stage-8.1; tomato turning stage temporal
PO:0007002 IE.03 3/4 of inflorescence emerged from flag leaf sheath The stage at which 3/4 of inflorescence has emerged from flag leaf sheath. 6.04-3/4 of inflorescence emerged in barley; 6.04-3/4 of inflorescence emerged in oat; 6.04-3/4 of inflorescence emerged in wheat; 70% of panicle emerged in rice temporal
PO:0007003 IL.03 full inflorescence length reached stage An inflorescence detectable phase during which an inflorescence has reached at its full length. 3.4 late vegetative (maize); 4.04 full inflorescence length reached in soybean; VT (maize) temporal
PO:0007004 3 rapid growth stage OBSOLETE.The stage at which the plant grows rapidly by either or both stem elongation and expansion of the rosette/foliage. temporal
PO:0007005 IL.02 1/2 inflorescence length reached stage An inflorescence detectable phase during which an inflorescence has reached at least one half of its full length, but has not yet reached its full length. 4.03 1/2 of inflorescence length reached in soybean temporal
PO:0007006 IL.00 inflorescence just visible stage An inflorescence detectable phase during which an inflorescence is just visible, but has not yet reach one quarter of its full length. 4.01 Inflorescence just visible in soybean; visible flower buds in Arabidopsis temporal
PO:0007007 FF.03 fruit size 50 to 70% stage A fruit formation stage that spans the interval when a fruit has reached 50% to 70% of its final size. 7.07 Pod 70% of final length in soybean; 8.02-early milk in barley; 8.02-early milk in oat; 8.02-early milk in wheat; early milk stage; early milk stage in maize; FF.03 fruit size 70% in Solanaceae; late milk; tomato immature green; Zadok scale-73, Haun scale-13 temporal
PO:0007008 IE.02 1/2 of inflorescence emerged from flag leaf sheath The stage at which 1/2 of inflorescence has emerged from flag leaf sheath. 08-heading; 6.03-1/2 of inflorescence emerged in barley; 6.03-1/2 of inflorescence emerged in oat; 6.03-1/2 of inflorescence emerged in wheat; first individual flowers visible; half bloom; middle of heading; middle of panicle emergence in rice; sorghum growth stage-7 temporal
PO:0007009 FF.01 fruit size 10 to 30% stage A fruit formation stage that spans the interval when a fruit has reached 10% to 30% of its final size. 7.02 Pod 30% of final length in soybean; FF.01 fruit size 30% in Solanaceae; tomato immature green temporal
PO:0007010 6 ripening Maturation of the fruit. 08-dough stage in rice; 09-dough development in barley; 09-dough development in oat; 09-dough development in wheat; 10-dough stage in sorghum; 6 ripening in Solanaceae; 8 Bean Development in soybean; BBCH principal growth stage 8; dough stage; dough stage in maize; dough stage kernels yellowish, about 55% dry matter; fruit maturity; fruit ripening; kernel ripening; maturity of fruit and seed; rice growth stage-8; silique ripening in Arabidopsis temporal
PO:0007013 BO.03 late boot stage The flag leaf sheath swollen. 5.2-late booting stage in rice; flag leaf sheath swollen; rice growth stage-5.2 temporal
PO:0007014 booting stage An inflorescence detectable phase characterized by a swelling of the flag leaf sheath, caused by an increase in the size of the inflorescence as it grows up the leaf sheath. 05-booting in barley; 05-booting in oat; 05-booting in wheat; 05-booting stage; 07-boot stage in sorghum; BBCH growth stage 40; development of vegetatively propogated organs; rice growth stage-5; sorghum growth stage-6 temporal
PO:0007015 radicle emergence The stage at which the radicle or root emerges from seed. 0.02-radicle emergence from seed in maize; 0.2 radicle emergence from seed in maize; 05 radicle emergence from seed coat in soybean; 1.04-radicle emerged from seed in barley; 1.04-radicle emerged from seed in oat; 1.04-radicle emerged from seed in Triticeae; 1.04-radicle emerged from seed in wheat; BBCH growth stage 05; maize growth stage-0.2; radicle emergence; radicle emergence in Arabidopsis; radicle emergence in Solanaceae; Zadok scale-5 temporal
PO:0007016 4 flowering The stage at which any flower(s) on the plant are open. 07-anthesis in barley; 07-anthesis in oat; 07-anthesis in wheat; 09-flowering in sorghum; 4 flowering in Solanaceae; 5 flowering in maize; 5.01-anthesis in maize; 5.02-silking in maize; 5.1 anthesis in maize; 5.2 silking in maize; 6 Flowering in soybean; 6.1-flowering stage in rice; anthesis in maize; anthesis stage; BBCH principal growth stage 6; flowering in maize; pollen shed in maize; R1 in maize; rice growth stage-6.1; silk emergence in maize; sorghum growth stage 8; VT in maize temporal
PO:0007017 C senescence The processes that occur near the end of a plant's active life that are associated with the dismantling of cell components and membranes, loss of functional chloroplasts, and an overall decline in metabolism. 10.03-kernel loosening in daytime in barley; 10.03-kernel loosening in daytime in oat; 10.03-kernel loosening in daytime in Triticeae; 10.03-kernel loosening in daytime in wheat; 10.04-overripe, straw dead and collapsing in barley; 10.04-overripe, straw dead and collapsing in oat; 10.04-overripe, straw dead and collapsing in Triticeae; 10.04-overripe, straw dead and collapsing in wheat; 9 Senescence in soybean; BBCH principal growth stage 9; C senescence in Solanaceae; senescence in Arabidopsis temporal
PO:0007018 BO.01 early boot stage The flag leaf sheath has started to extend. 5.01-flag leaf sheath extending in barley; 5.01-flag leaf sheath extending in oat; 5.01-flag leaf sheath extending in wheat; 5.1-early booting stage in rice; flag leaf sheath extending; rice growth stage-5.1 temporal
PO:0007019 BO.05 flag leaf sheath opened stage The first awns are visible and the flag leaf sheath has opened. 5.04-flag leaf sheath extending in barley; 5.04-flag leaf sheath extending in oat; 5.04-flag leaf sheath extending in wheat; first awns visible temporal
PO:0007021 plant structure development stage The succession of changes during the development of plant parts. temporal
PO:0007022 seed imbibition stage A germination stage during which there is absorption of water by the seed. 0.1 imbibition in maize; 01 Beginning of seed imbibition in soybean; 03 Seed imbibition complete in soybean; 1.02-start of imbibition in barley; 1.02-start of imbibition in oat; 1.02-start of imbibition in Triticeae; 1.02-start of imbibition in wheat; 1.03-imbibition complete in barley; 1.03-imbibition complete in oat; 1.03-imbibition complete in Tricticeae; 1.03-imbibition complete in wheat; BBCH growth stage 01; imbibition in Arabidopsis; imbibition in Solanaceae temporal
PO:0007023 IE.04 inflorescence fully emerged from flag leaf sheath The stage at which the inflorescence has fully emerged from the flag leaf sheath. 6.05-emergence of inflorescence completed in barley; 6.05-emergence of inflorescence completed in oat; 6.05-emergence of inflorescence completed in wheat; end of panicle emergence in rice temporal
PO:0007024 FL.04 end of flowering The stage at which flowering is complete. 6.09 End of flowering in soybean; 7.03-anthesis completed in barley; 7.03-anthesis completed in oat; 7.03-anthesis completed in wheat; anthesis completed; FL.04 end of flowering in Solanaceae; flowering complete; fruit set visible; late reproductive; Zadok scale-69, Haun scale-11.6 temporal
PO:0007025 IE.00 inflorescence tip just visible above flag leaf sheath The stage at which the inflorescence tip is just visible above flag leaf sheath. 6.01-first spikelet of inflorescence visible in barley; 6.01-first spikelet of inflorescence visible in oat; 6.01-first spikelet of inflorescence visible in wheat; beginning of heading; beginning of panicle emergence in rice; beginning of tassel emergence in maize; first flower buds visible; first spikelet visible; visible flower buds; Zadok scale-50, Feekes scale-10.1, Haun scale-10.2 temporal
PO:0007026 FL.00 first flower(s) open The stage at which the first flower(s) open. 6.00 1st flowers on main stem open in soybean; 7.01-anthesis beginning in barley; 7.01-anthesis beginning in oat; 7.01-anthesis beginning in Triticeae; 7.01-anthesis beginning in wheat; first open flower in Arabidopsis; FL.00 first flower(s) open in Solanaceae; Stage R1 Open flower at any node on the main stem temporal
PO:0007027 FF.04 fruit size 70% to final size stage A fruit formation stage that spans the interval when a fruit has reached 70% of its final size to its final size. 7.09 Pod full size in soybean; 8.03-medium milk in barley; 8.03-medium milk in oat; 8.03-medium milk in wheat; 8.04-late milk in barley; 8.04-late milk in oat; BBCH principal growth stage 75; BBCH principal growth stage 79; FF.04 final fruit size in Solanaceae; kernel content milky, 40% dry matter; Kernels in middle of cob yellowish-white; nearly all kernels have reached final size; Stage R4 Full pod in soybean; tomato mature green temporal
PO:0007028 BO.04 flag leaf sheath opening stage The flag leaf sheath starts opening. 5.03-flag leaf sheath extending in barley; 5.03-flag leaf sheath extending in oat; 5.03-flag leaf sheath extending in wheat; Zadok scale-47 temporal
PO:0007029 FF.02 fruit size 30 to 50% stage A fruit formation stage that spans the interval when a fruit has reached 30% to 50% of its final size. 7.01-blister stage in maize; 7.03 Pod 50% of final length in soybean; 8.01-kernel watery ripe in barley; 8.01-kernel watery ripe in oat; 8.01-kernel watery ripe in wheat; BBCH principal growth stage 71; beginning of grain development, kernels at blister stage, 16% dry matter; blister stage in maize; caryopsis watery ripe; FF.02 fruit size 50% in Solanaceae; kernel watery ripe; R2 in maize; Stage R4 Full pod in soybean; tomato immature green; watery ripe; Zadok scale-71, Feekes scale-10.54, Haun scale-12.1 temporal
PO:0007030 seedling shoot emergence stage Shoot or leaf breaks through soil surface. 07 shoot emergence in soybean; BBCH growth stage 09; shoot emergence in Solanaceae temporal
PO:0007031 FR.02 mid stage of fruit ripening The stage when fruit ripening is midway. 10.01-soft dough in sorghum; 7.4 late dough stage/embryo 4 in maize; 8.05 Mid ripening in soybean; 9.02-soft dough in barley; 9.02-soft dough in oat; 9.02-soft dough in wheat; BBCH principal growth stage 85; DNA degradation (endosperm) in maize; dough stage in maize; embryo stage 4 in maize; FR.02 mid stage of fruit ripening in Solanaceae; R3 in maize; soft dough; Stage R6 Full seed in soybean; tomato orange fruit; Zadok scale-85, Feekes scale-11.2 temporal
PO:0007032 FF.00 fruit size up to 10% stage A fruit formation stage that begins with the formation of a zygote and ends when the fruit has reached 10% of its final size. 7.01 Pod 10% of final length in soybean; FF.00 fruit size 10% in Solanaceae; stage R3 in soybean; tomato immature green temporal
PO:0007033 whole plant growth stage The succession of changes during the growth of the whole plant. cereal plant ontology; maize growth stage; plant growth stage ontology; plant growth stages in Arabidopsis; rice growth stage; Solanaceae whole plant growth stages; sorghum growth stage; wheat, barley and oat growth stage temporal
PO:0007034 FL.01 1/4 of flowers open The stage at which 1/4 of flowers open. 6.02 1/4 of flowers on the main stem open in soybean; FL.01 1/4 of flowers open in Solanaceae temporal
PO:0007035 7-8 fruit formation and maturation OBSOLETE. This stage refers to the developmental and physiological changes that occur in the whole plant after fertilization and during fruit development, maturation, and provisioning. 06-post-flowering in maize; 5.3 pollination in maize; 5.4 fertilization in maize; 6 post-flowering/lag phase in maize; 7 linear grain-filling in maize; 7 Pod Formation in soybean; 7-8 Fruit Formation and Maturation in soybean; 7.01-blister stage in maize; BBCH principal growth stage 7; C-embryo stage in rice; double fertilization in maize; effective filling period in maize; first silique shattered; grain-filling in maize; kernel watery ripe; lag phase in maize; post-flowering in maize; proembryo in maize; R1in maize temporal
PO:0007036 FR.00 beginning of fruit ripening The stage at which fruit maturation begins. 8.01 Beginning of bean ripening in soybean; beginning of fruit coloration; first silique shattered; FR.00 beginning of fruit ripening in Solanaceae temporal
PO:0007037 inflorescence bifurcation stage Stage of inflorescence development marked by the formation of two, oftern equal-sized, inflorescence meristems from one inflorescence meristem. temporal
PO:0007038 FR.04 fruit ripening complete The stage at which fruit ripening is complete. 10-ripening in barley; 10-ripening in oat; 10-ripening in Triticeae; 10-ripening in wheat; 10.01-kernel medium hard; 10.02-kernel hard; 8.09 Final ripening in soybean; 9.02 dry kernel in maize; 9.2 dry kernel in maize; BBCH principal growth stage 89; dry kernel in maize; dry seed in maize; FR.04 fruit ripening complete in Solanaceae; fully ripe; fully ripe grain hard, difficult to divide by thumbnail in rice; fully ripe kernels hard and shiny about 65% dry matter in maize; tomato fully red ripe fruit temporal
PO:0007039 leaf trichome development stage Stages of development of a trichome defined by characteristic morphological, structural, histological or other visible features. temporal
PO:0007041 inflorescence emergence stage An inflorescence detectable phase during which an inflorescence emerges from sheathing leaves or bracts. 06-heading stage in rice; 06-inflorescence emergence in barley; 06-inflorescence emergence in oat; 06-inflorescence emergence in wheat; 08-heading in sorghum; half bloom in sorghum; heading; rice growth stage-6; sorghum growth stage-7; tasseling temporal
PO:0007042 5 fruit formation Formation of the seed-bearing structure after flowering. 07-milk stage in rice; 08-milk development in barley; 08-milk development in oat; 08-milk development in wheat; 5 fruit formation in Solanaceae; 6.01-dilatory in maize; 6.02-exponential in maize; 6.1 dilatory in maize; 6.2 exponential in maize; dilatory in maize; exponential in maize; free nuclear in maize; milk grain; milk stage in rice; mitotic in maize; proembryo in maize; rice growth stage-7; transition stage in maize; Zadok scale-70 temporal
PO:0007043 hypocotyl emergence Emergence of the hypocotyl above ground. 0.07.01 Cotyledons and hypocotyl emerge in soybean; 0.07.02 Hypocotyl emerges above soil in soybean; BBCH growth stage 08; hypocotyl and cotyledon emergence in Arabidopsis; hypocotyl emergence in Solanaceae temporal
PO:0007044 BO.02 mid boot stage The flag leaf sheath is just visibly swollen. 5.02-flag leaf sheath extending in barley; 5.02-flag leaf sheath extending in oat; 5.02-flag leaf sheath extending in wheat; flag leaf sheath just visibly swollen; Zadok scale-45, Feekes scale-10, Haun scale-9.2 temporal
PO:0007045 coleoptile emergence Emergence of coleoptile above ground. 0.3 coleoptile emergence from seed in maize; BBCH growth stage 09 temporal
PO:0007046 IL.01 1/4 inflorescence length reached stage An inflorescence detectable phase during which an inflorescence has reached at least one quarter of its full length, but has not yet reached one half of its full length. 4.02 1/4 of inflorescence length reached in soybean temporal
PO:0007047 3 inflorescence detectable stage A reproductive growth stage during which an inflorescence is detectable. 3 inflorescence visible; 3 inflorescence visible in Solanaceae; 4 Inflorescence Formation in soybean; BBCH principal growth stage 4; BBCH principal growth stage 5; Poaceae inflorescence visible temporal
PO:0007048 IE.01 1/4 of inflorescence emerged from flag leaf sheath The stage at which 1/4 of inflorescence has emerged from flag leaf sheath. 30% of panicle emerged in rice; 6.02-1/4 of inflorescence emerged in barley; 6.02-1/4 of inflorescence emerged in oat; 6.02-1/4 of inflorescence emerged in wheat; Zadok scale-53, Feekes scale-10.2 temporal
PO:0007049 cotyledon emergence Emergence of cotyledons above ground. 01-seedling emergence in sorghum; 1.00 Cotyledon visible in soybean; 1.00 imperfect leaf unrolled; 1.01-seedling emergence in maize; 1.1 seedling emergence in maize; 2.01-first leaf through coleoptile in barley; 2.01-first leaf through coleoptile in oat; 2.01-first leaf through coleoptile in Triticeae; 2.01-first leaf through coleoptile in wheat; BBCH growth stage 09; BBCH growth stage 10; cotyledon emergence in Solanaceae; cotyledons fully open in Arabidopsis; hypocotyl and cotyledon emergence in Arabidopsis; LP.00 cotyledon visible; maize growth stage-1.1; Oryza first leaf through coleoptile; sorghum growth stage-0; Sorghum seedling emergence; Triticeae first leaf through coleoptile; VE in maize; VE stage in soybean; Zadok scale-10, Feekes scale-1 temporal
PO:0007050 FR.03 late stage of fruit ripening The late stage of fruit ripening. 09-maturity in maize; 10.02-hard dough in sorghum; 8 leveling off of grain-filling/embryo 5 in maize; 8.07 Late ripening in soybean; 8.2-hard dough stage in rice; 9 maturity in maize; 9.03-hard dough in barley; 9.03-hard dough in oat; 9.03-hard dough in wheat; 9.1 physiological maturity/embryo 6 in maize; attenuative in maize; BBCH principal growth stage 87; black layer in maize; dent stage in maize; embryo stage 5 in maize; embryo stage 6 in maize; FR.03 late stage of fruit ripening in Solanaceae; hard dough; late dough grain in rice; late dough stage in rice; leveling off of dry matter accumulation; physiological maturity, black dot, about 60% dry matter in maize; R5 in maize; R6 in maize; rice growth stage-8.2; sorghum growth stage-10; Stage R7 Beginning maturity in soybean; storage maturity in maize; tomato red firm fruit; Zadok scale-87, Haun scale-15 temporal
PO:0007051 BO.00 booting begins stage Booting has just begun. temporal
PO:0007052 FL.03 3/4 of flowers open The stage at which 3/4 of flowers open. 6.02 3/4 of flowers on main stem open in soybean; FL.03 3/4 of flowers open in Solanaceae; flowering finishing; Stage R2 Open flower at one of the two uppermost nodes on the main stem with fully developed leaf in soybean temporal
PO:0007053 FL.02 1/2 of flowers open The stage at which 1/2 of flowers open. 6.02 1/2 of flowers on main stem open in soybean; 7.02-anthesis half-way in barley; 7.02-anthesis half-way in oat; 7.02-anthesis half-way in wheat; FL.02 1/2 of flowers open in Solanaceae; full flowering; Haun scale-11.5 temporal
PO:0007054 epicotyl emergence Emergence of the epicotyl above ground. temporal
PO:0007056 1 pattern formation Trichome initiation stage that determine numbers of trichome are formed. temporal
PO:0007057 0 seed germination stage The resumption of growth by the embryo in a seed. 0 germination in maize; 0 germination in Solanaceae; 0 Germination in soybean; 00-germination in maize; 01-germination in barley; 01-germination in oat; 01-germination in rice; 01-germination in Triticeae; 01-germination in wheat; BBCH principal growth stage 0; germination in Arabidopsis; maize growth stage-0; rice growth stage-1 temporal
PO:0007058 2 endoreduplication The stage trichome nuclei continue to replicate their DNA after mitosis and cytokinesis have ceased, and as a consequence have a DNA content much greater than 2C. temporal
PO:0007059 3 branch formation The stage trichome develops branches. temporal
PO:0007060 obsolete growth and development terms temporal
PO:0007061 2.00 main shoot only OBSOLETE 3.01-main shoot only in barley; 3.01-main shoot only in oat; 3.01-main shoot only in Triticeae; 3.01-main shoot only in wheat; Zadok scale-20 temporal
PO:0007062 SE.06 six nodes or internodes visible The stage at which six nodes or six internodes are visible. 3.06 6 nodes/internodes visible in soybean; 4.07-sixth node detectable in barley; 4.07-sixth node detectable in oat; 4.07-sixth node detectable in wheat; BBCH growth stage 36; Zadok scale-36 temporal
PO:0007063 LP.07 seven leaves visible The stage at which leaves at seven nodes, other than the cotyledonary node, are visible above ground. 1.07 6th trifoliolate leaf unfolded in soybean; 2.08-seven leaves unfolded in barley; 2.08-seven leaves unfolded in oat; 2.08-seven leaves unfolded in Triticeae; 2.08-seven leaves unfolded in wheat; 3.01-ear initiation; 3.1 ear initiation/mid-whorl stage in maize; 6-8 leaves in maize; 7 leaves unfolded; 7 rosette leaf in Arabidopsis; 7-leaf in maize; BBCH growth stage 17; ear initiation in maize; LP.07 seven leaves visible in Solanaceae; maize growth stage-3.1; mid-whorl stage in maize; seven rosette leaves; seventh leaf unfolded; Stage V6 in soybean; Triticeae seven leaves unfolded; V7 in maize; Zadok scale-, Haun scale-6.+ temporal
PO:0007064 LP.12 twelve leaves visible The stage at which leaves at twelve nodes, other than the cotyledonary node, are visible above ground. 1.12 11th trifoliolate leaf unfolded in soybean; 12 rosette leaf in Arabidopsis; 3.03-mid-vegetative; 3.3 mid-vegetative; 3.3 mid-vegetative stage of maize; maize growth stage-3.3; mid-vegetative in maize; mid-vegetative stage of maize; Stage V11 in soybean; twelve leaves unfolded; twelve rosette leaves; V12 in maize temporal
PO:0007065 LP.05 five leaves visible The stage at which leaves at five nodes, other than the cotyledonary node, are visible above ground. 02-tassel initiation in maize; 04-five leaf stage in sorghum; 1.05 4th trifoliolate leaf unfolded in soybean; 2 tassel initiation/early whorl stage in maize; 2.06-five leaves unfolded in barley; 2.06-five leaves unfolded in oat; 2.06-five leaves unfolded in Triticeae; 2.06-five leaves unfolded in wheat; 4-6 leaves in maize; 5 leaves unfolded; 5 rosette leaf in Arabidopsis; BBCH growth stage 15; early whorl stage in maize; fifth leaf unfolded; five rosette leaves; LP.05 five leaves visible in Solanaceae; maize growth stage-2; rice growth stage-3; Sorghum five leaf stage; sorghum growth stage-3; Stage V4 in soybean; tassel differentiation in maize; tassel initiation in maize; Triticeae five leaves unfolded; V5 in maize; Zadok scale-15, Haun scale-4.+ temporal
PO:0007066 SE.09 nine nodes or internodes visible The stage at which nine nodes or nine internodes are visible. 3.09 9 nodes/internodes visible in soybean; BBCH growth stage 39 temporal
PO:0007067 LP.17 seventeen leaves visible The stage at which leaves at seventeen nodes, other than the cotyledonary node, are visible above ground. 1.17 16th trifoliate leaf unfolded in soybean; 3.04-late vegetative; 3.4 late vegetative in maize; 3.4 late vegetative stage of maize; late vegetative in maize; late vegetative stage of maize; maize growth stage-3.4; maize V17 stage; Stage V16 in soybean; V17 in maize temporal
PO:0007068 mid rosette growth Rosette has reached approximately 50% of its final diameter. mid rosette growth in Arabidopsis temporal
PO:0007070 SE.08 eight nodes or internodes visible The stage at which eight nodes or eight internodes are visible. 3.08 8 nodes/internodes visible in soybean; BBCH growth stage 38 temporal
PO:0007071 2.02 main shoot and axillary shoots visible at two nodes The stage at which main shoot and axillary shoots at two nodes are visible. 2.02 Main shoot and axillary shoots visible at 2 nodes in soybean; 2.02 main shoot and axillary shoots visible at two nodes in Solanaceae; 3.03-main shoot and two tillers; BBCH growth stage 22; main shoot and 2 tillers; main shoot and second tiller visible; main shoot and two tillers in barley; main shoot and two tillers in oat; main shoot and two tillers in wheat; second axillary shoot detectable; second tiller detectable; Zadok scale-22 temporal
PO:0007072 LP.18 eighteen leaves visible The stage at which leaves at eighteen nodes, other than the cotyledonary node, are visible above ground. 1.18 17th trifoliolate leaf unfolded in soybean; 3.04-late vegetative; 3.4 late vegetative in maize; 3.4 late vegetative stage of maize; late vegetative in maize; late vegetative stage of maize; maize growth stage-3.4; maize V18 stage; Stage V17 in soybean; V18 in maize; VT vegetative tasseling in maize (US cornbelt) temporal
PO:0007073 2 formation of axillary shoot The stage at which the axillary shoots are forming. 03-tillering in barley; 03-tillering in oat; 03-tillering in wheat; 03-tillering stage in rice; 2 axillary Shoot Formation in soybean; 2 formation of axillary shoot in Solanaceae; BBCH principal growth stage 2; formation of side shoot; rice growth stage-3; tillering temporal
PO:0007074 SE.15 fifteen nodes or internodes visible The stage at which fifteen nodes or fifteen internodes are visible. 3.15 15 nodes/internodes visible in soybean temporal
PO:0007075 5.02 20% of inflorescence emerged. OBSOLETE temporal
PO:0007076 late rosette growth Rosette has reached approximately 70% of its final diameter. late rosette growth in Arabidopsis temporal
PO:0007077 2.08 main shoot and axillary shoots visible at eight nodes The stage at which main shoot and axillary shoots at eight nodes are visible. 2.08 Main shoot and axillary shoots visible at 8 nodes in soybean; 2.08 main shoot and axillary shoots visible at eight nodes in Solanaceae; 3.09-main shoot and eight tillers; BBCH growth stage 28; eighth axillary shoot detectable; eighth tiller detectable; main shoot and 8 tillers; main shoot and eight tillers in barley; main shoot and eight tillers in oat; main shoot and eight tillers in wheat; main shoot and eighth tiller visible; Zadok scale-28 temporal
PO:0007078 rosette growth complete Stage at which rosette no longer increases in diameter, its leaf growth and expansion having ceased. complete rosette in Arabidopsis temporal
PO:0007079 SE.00 stem elongation begins The stage at which the internodes begin to elongate. 3.00 stem elongation begins in soybean; 4.01-pseudo stem erection in barley; 4.01-pseudo stem erection in oat; 4.01-pseudo stem erection in wheat; 4.1-panicle initiation stage; 4.2-panicle differentiation stage; BBCH growth stage 30; pseudo stem and tillers erect; pseudo stem erection; rice green ring stage; rice panicle initiation temporal
PO:0007080 2.03 main shoot and axillary shoots visible at three nodes The stage at which main shoot and axillary shoots at three nodes are visible. 2.03 Main shoot and axillary shoots visible at 3 nodes in soybean; 2.03 main shoot and axillary shoots visible at three nodes in Solanaceae; 3.04-main shoot and three tillers; BBCH growth stage 23; main shoot and 3 tillers; main shoot and third tiller visible; main shoot and three tillers in barley; main shoot and three tillers in oat; main shoot and three tillers in wheat; third axillary shoot detectable; third tiller detectable; Zadok scale-23 temporal
PO:0007081 early rosette growth Rosette has reached approximately 20% of its final diameter. early rosette growth in Arabidopsis temporal
PO:0007082 LP.20 twenty or more leaves whorls visible The stage at which leaves at twenty or more nodes, other than the cotyledonary node, are visible above ground. 1.20 19th trifoliolate leaf unfolded in soybean; 1.21 20th trifoliolate leaf unfolded in soybean; 1.22 21st trifoliolate leaf unfolded in soybean; 1.23 22nd trifoliolate leaf unfolded in soybean; 1.24 23rd trifoliolate leaf unfolded in soybean; 1.25 25 or more trifoliolate leaves unfolded in soybean; 3.04-late vegetative; 3.4 late vegetative in maize; 3.4 late vegetative stage of maize; late vegetative in maize; late vegetative stage of maize; maize growth stage-3.4; maize V20 stage; Stage V20 in soybean; Stage V21 in soybean; Stage V22 in soybean; Stage V23 in soybean; Stage V25 in soybean; V20 in maize temporal
PO:0007083 LP.13 thirteen leaves visible The stage at which leaves at thirteen nodes, other than the cotyledonary node, are visible above ground. 1.13 12th trifoliolate leaf unfolded in soybean; 13 rosette leaf in Arabidopsis; 3.03-mid-vegetative; 3.3 mid-vegetative; 3.3 mid-vegetative stage of maize; maize growth stage-3.3; mid-vegetative in maize; mid-vegetative stage of maize; Stage V12 in soybean; thirteen leaves unfolded; thirteen rosette leaves; V13 in maize temporal
PO:0007084 SE.10 ten nodes or internodes visible The stage at which ten nodes or ten internodes are visible. 3.10 10 nodes/internodes visible in soybean temporal
PO:0007085 LP.14 fourteen leaves visible The stage at which leaves at fourteen nodes, other than the cotyledonary node, are visible above ground. 1.14 13th trifoliolate leaf unfolded in soybean; 14 rosette leaf in Arabidopsis; 3.03-mid-vegetative; 3.3 mid-vegetative; 3.3 mid-vegetative stage of maize; fourteen leaves unfolded; fourteen rosette leaves; maize growth stage-3.3; Stage V13 in soybean; V14 in maize temporal
PO:0007086 SE.05 five nodes or internodes visible The stage at which five nodes or five internodes are visible. 3.05 5 nodes/internodes visible in soybean; 4.06-fifth node detectable in barley; 4.06-fifth node detectable in oat; 4.06-fifth node detectable in wheat; BBCH growth stage 35; Zadok scale-35 temporal
PO:0007087 2.01 main shoot and axillary shoots visible at one node The stage at which main shoot and axillary shoot(s) at one node is (are) visible. 2.01 Main shoot and axillary shoot visible at one node in soybean; 2.01 main shoot and axillary shoots visible at one node in Solanaceae; 3.02-main shoot and one tiller; BBCH growth stage 21; first axillary shoot detectable; first tiller detectable; main shoot and 1 tiller; main shoot and first tiller visible; main shoot and one tiller in barley; main shoot and one tiller in oat; main shoot and one tiller in wheat; Zadok scale-21, Feekes scale-2 temporal
PO:0007088 2.04 main shoot and axillary shoots visible at four nodes The stage at which main shoot and axillary shoots at four nodes are visible. 2.04 Main shoot and axillary shoots visible at 4 nodes in soybean; 2.04 main shoot and axillary shoots visible at four nodes in Solanaceae; 3.05-main shoot and four tillers; BBCH growth stage 24; fourth axillary shoot detectable; fourth tiller detectable; main shoot and 4 tillers; main shoot and four tillers in barley; main shoot and four tillers in oat; main shoot and four tillers in wheat; main shoot and fourth tiller visible; Zadok scale-24 temporal
PO:0007089 stem elongation The stage at which the internodes elongate. 04-stem elongation in barley; 04-stem elongation in oat; 04-stem elongation in wheat; 04-stem elongation stage in Triticeae; 05-growing point differentiation; 3 rapid stem elongation in maize; 3 Stem Elongation in soybean; BBCH principal growth stage 3; crop cover in potato; internode elongation; jointing stage; rapid stem elongation; rice growth stage-4; shoot development; sorghum growth stage-4; stem elongation in Solanaceae temporal
PO:0007090 SE.13 thirteen nodes or internodes visible The stage at which thirteen nodes or thirteen internodes are visible. 3.13 13 nodes/internodes visible in soybean temporal
PO:0007091 SE.01 one node or internode visible The stage at which one node or one internode is visible. 3.01 one node visible in soybean; 4.02-first node detectable in barley; 4.02-first node detectable in oat; 4.02-first node detectable in wheat; BBCH growth stage 31; Zadok scale-31, Feekes scale-6 temporal
PO:0007092 SE.04 four nodes or internodes visible The stage at which four nodes or four internodes are visible. 3.04 4 nodes/internodes visible in soybean; 4.05-fourth node detectable in barley; 4.05-fourth node detectable in oat; 4.05-fourth node detectable in wheat; BBCH growth stage 34; Zadok scale-34 temporal
PO:0007093 2.05 main shoot and axillary shoots visible at five nodes The stage at which main shoot and axillary shoots at five nodes are visible. 2.05 Main shoot and axillary shoots visible at 5 nodes in soybean; 2.05 main shoot and axillary shoots visible at five nodes in Solanaceae; 3.06-main shoot and five tillers in barley; 3.06-main shoot and five tillers in oat; 3.06-main shoot and five tillers in Triticeae; 3.06-main shoot and five tillers in wheat; BBCH growth stage 25; fifth axillary shoot detectable; fifth tiller detectable; main shoot and 5 tillers; main shoot and fifth tiller visible; main shoot and five tillers in barley; main shoot and five tillers in oat; main shoot and five tillers in wheat; Zadok scale-25 temporal
PO:0007094 LP.01 one leaf visible The stage at which leaves at one node, other than the cotyledonary node, are visible above ground. 1-4 leaf stage in rice; 1.01 Unifoliolate leaves unfolded in soybean; 1.02-one to two leaves in maize; 1.2 1-2 leaves in maize; 2.02-first leaf unfolded in barley; 2.02-first leaf unfolded in oat; 2.02-first leaf unfolded in Triticeae; 2.02-first leaf unfolded in wheat; BBCH growth stage 11; LP.01 one leaf visible in Solanaceae; maize growth stage-1.2; pre tillering; rice growth stage-2.1; V1 in maize; VC stage in soybean; Zadok scale-11, Haun scale-1.+; Zea V01 stage temporal
PO:0007095 LP.08 eight leaves visible The stage at which leaves at eight nodes, other than the cotyledonary node, are visible above ground. 1.08 7th trifoliolate leaf unfolded in soybean; 2.09-eight leaves unfolded in barley; 2.09-eight leaves unfolded in oat; 2.09-eight leaves unfolded in Triticeae; 2.09-eight leaves unfolded in wheat; 3.01-ear initiation in Maize; 3.1 ear initiation/mid-whorl stage in maize; 8 leaves unfolded; 8 rosette leaves in Arabidopsis; 8-leaf in maize; BBCH growth stage 18; ear initiation in maize; eight leaf unfolded; eight rosette leaves; LP.08 eight leaves visible in Solanaceae; maize growth stage-3.1; mid-whorl stage in maize; Stage V7 in soybean; Triticeae eight leaves unfolded; V8 in maize; Zadok scale-18, Haun scale-7.+ temporal
PO:0007096 SE.03 three nodes or internodes visible The stage at which three nodes or three internodes are visible. 3.03 3 nodes/internodes visible in soybean; 4.04-third node detectable in barley; 4.04-third node detectable in oat; 4.04-third node detectable in wheat; BBCH growth stage 33; Zadok scale-33 temporal
PO:0007097 SE.14 fourteen nodes or internodes visible The stage at which fourteen nodes or fourteen internodes are visible. 3.14 14 nodes/internodes visible in soybean temporal
PO:0007098 LP.02 two leaves visible The stage at which leaves at two nodes, other than the cotyledonary node, are visible above ground. 1-4 leaf stage in rice; 1.02 First trifoliolate leaf unfolded in soybean; 1.02-one to two leaves in maize; 1.2 1-2 leaves in maize; 2 leaves unfolded; 2 rosette leaves in Arabidopsis; 2.03-two leaves unfolded in barley; 2.03-two leaves unfolded in oat; 2.03-two leaves unfolded in Triticeae; 2.03-two leaves unfolded in wheat; BBCH growth stage 12; LP.02 two leaves visible in Solanaceae; maize growth stage-1.2; pre tillering; rice growth stage-2.1; Triticeae two leaves unfolded; two rosette leaves; V1 stage in soybean; V2 in maize; Zadok scale-12, Haun scale-1.+ temporal
PO:0007099 SE.97 flag leaf visible The stage at which the flag leaf is visible. 06-flag leaf visible in sorghum; 4.08-flag leaf just visible in barley; 4.08-flag leaf just visible in oat; 4.08-flag leaf just visible in wheat; Zadok scale-37, Feekes scale-8 temporal
PO:0007100 SE.16 sixteen or more nodes or internodes visible The stage at which sixteen nodes or more, or sixteen internodes or more are visible. 3.16 16 or more nodes/internodes visible in soybean temporal
PO:0007101 LP.09 nine leaves visible The stage at which leaves at nine nodes, other than the cotyledonary node, are visible above ground. 1.09 8th trifoliolate leaf unfolded in soybean; 10-leaf in maize; 2.10 nine or more leaves unfolded in barley; 2.10 nine or more leaves unfolded in oat; 2.10 nine or more leaves unfolded in Triticeae; 2.10 nine or more leaves unfolded in wheat; 3.02-late whorl stage; 3.2 late whorl stage in maize; 9 or more leaves unfolded; 9 rosette leaf in Arabidopsis; 9-11 leaves in maize; 9-leaf in maize; BBCH growth stage 19; LP.09 nine or more leaves whorls visible; maize growth stage-3.2; nine rosette leaves; ninth leaf unfolded; Stage V8 in soybean; V9 in maize; Zadok scale-19 temporal
PO:0007102 5.04 40% of inflorescence emerged OBSOLETE temporal
PO:0007103 LP.10 ten leaves visible The stage at which leaves at ten nodes, other than the cotyledonary node, are visible above ground. 10 rosette leaf in Arabidopsis; 10-leaf in maize; 3.02-late whorl stage; 9-11 leaves in maize; maize growth stage-3.2; Stage V9 in soybean; ten rosette leaves; V10 in maize temporal
PO:0007104 LP.15 fifteen leaves visible The stage at which leaves at fifteen nodes, other than the cotyledonary node, are visible above ground. 1.15 14th trifoliolate leaf unfolded in soybean; 3.4 late vegetative in maize; 3.4 late vegetative stage of maize; late vegetative in maize; maize growth stage-3.4; Stage V14 in soybean; V15 in maize temporal
PO:0007105 5.06 60% of inflorescence emerged OBSOLETE temporal
PO:0007106 LP.03 three leaves visible The stage at which leaves at three nodes, other than the cotyledonary node, are visible above ground. 02-three leaf stage in sorghum; 1-4 leaf stage in rice; 1.03 2nd trifoliolate leaf unfolded in soybean; 1.03-three to four leaves in maize; 1.3 3-4 leaves in maize; 2.04-three leaves unfolded; 3 rosette leaf in Arabidopsis; 3-leaf stage in maize; BBCH growth stage 13; LP.03 three leaves visible in Solanaceae; maize growth stage-1.3; pre tillering; rice growth stage-2.1; sorghum growth stage-1; V2 stage in soybean; V3 in maize; Zadok scale-13, Haun scale-2.+ temporal
PO:0007107 5.08 80% of inflorescence emerged OBSOLETE temporal
PO:0007108 SE.07 seven nodes or internodes visible The stage at which seven nodes or seven internodes are visible. 3.07 7 nodes/internodes visible in soybean; BBCH growth stage 37 temporal
PO:0007109 SE.99 maximum stem length reached The stage at which maximum stem length is reached. 3.99 Maximum stem length reached in soybean; 4.09-flag leaf ligule/collar just visible in barley; 4.09-flag leaf ligule/collar just visible in oat; 4.09-flag leaf ligule/collar just visible in wheat; flag leaf fully unrolled; flag leaf stage; flag leaf stage in sorghum; ligule just visible; sorghum growth stage-5; Zadok scale-39, Feekes scale-9 temporal
PO:0007110 2.09 main shoot and axillary shoots visible at nine or more nodes The stage at which main shoot and axillary shoots at nine nodes or more are visible. 2.09 Main shoot and axillary shoots visible at 9 or more nodes in soybean; 2.09 main shoot and axillary shoots visible at nine or more nodes in Solanaceae; 3.1-maximum tillering; 3.10-main shoot and nine or more tillers in Triticeae; BBCH growth stage 29; main shoot and 9 or more tiller; main shoot and nine or more tillers in barley; main shoot and nine or more tillers in oat; main shoot and nine or more tillers in wheat; maximum number of tillers detectable in; maximum number of tillers visible; maximum number of tillers visible in rice; nine or more axillary shoots detectable; Zadok scale-29 temporal
PO:0007111 SE.12 twelve nodes or internodes visible The stage at which twelve nodes or twelve internodes are visible. 3.12 12 nodes/internodes visible in soybean temporal
PO:0007112 1 main shoot growth The stage at which vegetative structures are being produced by SAM. 01-seedling stage of maize; 02-seedling growth of barley; 02-seedling growth of oat; 02-seedling growth of wheat; 02-seedling stage of rice; 1 main shoot growth in Solanaceae; 1 seedling in maize; BBCH principal growth stage 1; maize growth stage-1.1; sorghum principal growth stage 1 temporal
PO:0007113 rosette growth Stages of growth based on expansion of the rosette in Arabidopsis. rosette growth in Arabidopsis temporal
PO:0007114 SE.11 eleven nodes or internodes visible The stage at which eleven nodes or eleven internodes are visible. 3.11 11 nodes/internodes visible in soybean temporal
PO:0007115 LP.04 four leaves visible The stage at which leaves at four nodes, other than the cotyledonary node, are visible above ground. 02-tassel initiation in maize; 03-four leaf stage in sorghum; 1-4 leaf stage in rice; 1.03-three to four leaves in maize; 1.04 3rd trifoliolate leaf unfolded in soybean; 2 tassel initiation/early whorl stage in maize; 2.05-four leaves unfolded in Triticeae; 4 leaves unfolded; 4 rosette leaf in Arabidopsis; 4-6 leaves in maize; BBCH growth stage 14; early whorl stage in maize; four rosette leaves; fourth leaf unfolded; LP.04 four leaves visible in Solanaceae; maize growth stage-2; pre tillering; rice growth stage-2.1; sorghum growth stage-2; Stage V3 in soybean; tassel differentiation in maize; tassel initiation in maize; V4 in maize; Zadok scale-14, Haun scale-3.+ temporal
PO:0007116 LP.11 eleven leaves visible The stage at which leaves at eleven nodes, other than the cotyledonary node, are visible above ground. 1.11 10th trifoliolate leaf unfolded in soybean; 11 rosette leaves in Arabidopsis; 3.02-late whorl stage in maize; 3.2 late whorl stage of maize; 9-11 leaves in maize; eleven rosette leaves; late whorl stage of maize; maize growth stage-3.2; Stage V10 in soybean; V11 in maize temporal
PO:0007117 SE.02 two nodes or internodes visible The stage at which two nodes or two internodes are visible. 3.02 2 nodes/internode visible in soybean; 4.03-second node detectable in barley; 4.03-second node detectable in oat; 4.03-second node detectable in wheat; BBCH growth stage 32; maize growth stage-3.1; Zadok scale-32, Feekes scale-7 temporal
PO:0007118 2.06 main shoot and axillary shoots visible at six nodes The stage at which main shoot and axillary shoots at six nodes are visible. 2.06 Main shoot and axillary shoots visible at 6 nodes in soybean; 2.06 main shoot and axillary shoots visible at six nodes in Solanaceae; 3.07-main shoot and six tillers; BBCH growth stage 26; main shoot and 6 tillers; main shoot and six tillers in barley; main shoot and six tillers in oat; main shoot and six tillers in wheat; sixth axillary shoot detectable; sixth tiller detectable; Zadok scale-26, Feekes scale-3 temporal
PO:0007119 LP.16 sixteen leaves visible The stage at which leaves at sixteen nodes, other than the cotyledonary node, are visible above ground. 1.16 15th trifoliolate leaf unfolded in soybean; 16 rosette leaf in Arabidopsis; 3.04-late vegetative; 3.4 late vegetative in maize; 3.4 late vegetative stage of maize; late vegetative in maize; late vegetative stage of maize; maize growth stage-3.4; Stage V15 in soybean; V16 in maize temporal
PO:0007120 LP.19 nineteen leaves visible The stage at which leaves at nineteen nodes, other than the cotyledonary node, are visible above ground. 1.19 18th trifoliolate leaf unfolded in soybean; 3.04-late vegetative; 3.4 late vegetative in maize; 3.4 late vegetative stage of maize; late vegetative in maize; late vegetative stage of maize; maize growth stage-3.4; Stage V18 in soybean; V19 in maize temporal
PO:0007121 6.01 10% of flowers open OBSOLETE temporal
PO:0007122 2.07 main shoot and axillary shoots visible at seven nodes The stage at which main shoot and axillary shoots at seven nodes are visible. 2.07 Main shoot and axillary shoots visible at 7 nodes in soybean; 2.07 main shoot and axillary shoots visible at seven nodes in Solanaceae; 3.08-main shoot and seven tillers; BBCH growth stage 27; main shoot and 7 tillers; main shoot and seven tillers in barley; main shoot and seven tillers in oat; main shoot and seven tillers in wheat; main shoot and seventh tiller visible; seventh axillary shoot detectable; seventh tiller detectable; Zadok scale-27 temporal
PO:0007123 LP.06 six leaves visible The stage at which leaves at six nodes, other than the cotyledonary node, are visible above ground. 03-tillering stage in rice; 1.06 5th trifoliolate leaf unfolded in soybean; 2 tassel initiation/early whorl stage in maize; 2.07-six leaves unfolded in Triticeae; 3.01-ear initiation in maize; 3.1 ear initiation/mid-whorl stage in maize; 6 leaves unfolded; 6 rosette leaf in Arabidopsis; 6-8 leaves in maize; 6-leaf in maize; BBCH growth stage 16; ear initiation in maize; early whorl stage in maize; LP.06 six leaves visible in Solanaceae; maize growth stage-3.1; mid-whorl stage in maize; rice growth stage-3; six rosette leaves; sixth leaf unfolded; Stage V5 in soybean; Triticeae six leaves unfolded; V6 in maize; Zadok scale-16, Haun scale-5.+ temporal
PO:0007124 6.03 30% of flowers open OBSOLETE temporal
PO:0007125 6.04 40% of flowers open OBSOLETE temporal
PO:0007126 7.02 fruit size 20% OBSOLETE temporal
PO:0007127 7.04 fruit size 40% OBSOLETE 7.2 milk stage/embryo 2 in maize temporal
PO:0007128 7.06 fruit size 60% OBSOLETE temporal
PO:0007129 7.08 fruit size 80% OBSOLETE temporal
PO:0007130 B reproductive growth Stage of growth when reproductive structures are being produced. B reproductive growth in Solanaceae; B-reproductive stage in rice; reproductive in Arabidopsis temporal
PO:0007131 seedling development stage A vegetative growth stage that has as a participant a whole plant during the interval between germination and development of the first adult leaves. seedling growth in Solanaceae; seedling in Arabidopsis temporal
PO:0007132 D dormancy A suspension of physiological activity that can be reactivated once it is broken. 10.05-seed dormant in barley; 10.05-seed dormant in oat; 10.05-seed dormant in Triticeae; 10.05-seed dormant in wheat; 10.06-viable seed germination in barley; 10.06-viable seed germination in oat; 10.06-viable seed germination in Triticeae; 10.06-viable seed germination in wheat; 10.07-seed not dormant in barley; 10.07-seed not dormant in oat; 10.07-seed not dormant in Triticeae; 10.07-seed not dormant in wheat; 10.08-secondary dormancy induced in barley; 10.08-secondary dormancy induced in oat; 10.08-secondary dormancy induced in Triticeae; 10.08-secondary dormancy induced in wheat; 10.09-secondary dormancy lost in barley; 10.09-secondary dormancy lost in oat; 10.09-secondary dormancy lost in Triticeae; 10.09-secondary dormancy lost in wheat; D dormancy in Solanaceae temporal
PO:0007133 leaf production The stage at which the leaves produced by SAM are visible above the ground in a seedling or mature plant. leaf production in Solanaceae temporal
PO:0007134 A vegetative growth Stage of growth when vegetative structures are being produced. A vegetative growth in Solanaceae; A-vegetative stage in rice; vegetative in Arabidopsis temporal
PO:0007135 4 growth directionality The stage involved in the directionality of expansion growth. temporal
PO:0007501 root cap formation The stage at which the root cap becomes evident. root cap formation in crown root.; root cap formation in lateral root.; root cap formation in primary root. temporal
PO:0007503 A2.1 root intials differntiation of primary roots OBSOLETE. The root initials divide repeatedly and add more cells temporal
PO:0007504 crown root primordium formation The stage at which the initial cells of crown root primordium are formed in the innermost ground meristem cells by one or two periclinal divisions. temporal
PO:0007505 1 root primordium formation The stage at which root primordium originates and develops at specific locations in embryonic and post embryonic roots. temporal
PO:0007506 primary root primordium formation The stage at which a group of cells or initials that will differentiate into the primary root become organized in the embryo . temporal
PO:0007509 root vascular cylinder differentiation The stage at which the root vascular cylinder becomes evident. temporal
PO:0007510 root emergence The stage at which the fully formed root emerges. temporal
PO:0007511 lateral root primordium formation This stage at which the transverse divisions in pericycle cells form the initials of the lateral root primordium. temporal
PO:0007512 A2 root initials differentiation stage OBSOLETE. The root initials differentiate by cell division and cell expansion. temporal
PO:0007513 root cortex differentiation The stage at which the root cortex becomes evident. cortex differentiation of crown root.; cortex differentiation of lateral root; cortex differentiation of primary root. temporal
PO:0007514 B3 crown root meristem formation OBSOLETE. The stage at which the meristem of the crown root becomes evident. temporal
PO:0007516 root epidermal differentiation The stage at which the root epidermis becomes evident. epidermal differentiation of lateral root.; epidermal differentiation of primary root; epidermial differentiation of crown root. temporal
PO:0007517 lateral root emergence The stage at which the lateral root emerges. temporal
PO:0007518 crown root emergence The stage at which the crown root emerges. temporal
PO:0007519 5 root hair formation The stage at which the root hairs becomes evident. Benfey's stage 3 of root development temporal
PO:0007520 root development stages Stages of development of a root defined by characteristic morphological, structural, histological or other visible features. root development stage temporal
PO:0007521 C3.1 metaxylem differentiation of root. OBSOLETE. Differentiation begins with the enlargement and vacuolation of the tracheary elements of the metaxylem. metaxylem differentiation of crown root; metaxylem differentiation of lateral root; metaxylem differentiation of primary root temporal
PO:0007523 establishment of initial cells OBSOLETE. The root initial cells are established. temporal
PO:0007524 B1 primary root meristem formation OBSOLETE. The stage at which the meristem of the primary root becomes evident. temporal
PO:0007525 3 establishment of tissue systems The stage at which distinct tissues become organized. Benfey's stage 1 of root development; cell differentiation stage of root development; establishment of fundamental organization in adventitious root; establishment of fundamental organization in primary root.; establishment of fundamental organization lateral root. temporal
PO:0007526 F2 root hair elongation OBSOLETE. The stage at which the root hairs are fully elongated. temporal
PO:0007527 2 root meristem formation The stage at which the root meristem becomes evident. temporal
PO:0007528 A2.2 root initials differentiation of lateral roots OBSOLETE. Radial expansion followed by subsequent periclinal divisions forms the pericycle-derived tissues. temporal
PO:0007529 E emerged root elongation OBSOLETE. The stage at which the emerged root starts to elongate. emerged crown root elongation; emerged lateral root elongation; emrged primary root elongation temporal
PO:0007530 A2.3 founder cell derivatives of lateral root OBSOLETE. Radial expansion followed by subsequent periclinal divisions forms the isodiametric founder cell tissues. temporal
PO:0007531 F1 root hair initiation OBSOLETE. The stage at which the roots hairs are initiated. temporal
PO:0007532 obsolete plant growth and development terms temporal
PO:0007533 C3.3 maturation of protoxylem elements in root. OBSOLETE. The first protoxylem elements next to the pericycle develop secondary walls and mature. maturation of protoxylem elements in crown root; maturation of protoxylem elements in lateral root; maturation of protoxylem elements in primary root temporal
PO:0007534 A2.4 root initials differentiation of crown roots OBSOLETE. Initial cells of crown root primordium divide anticlinally and periclinally to form epidermis-endodermis initial, vascular-cylinder initial and root cap initial. temporal
PO:0007535 A1 root initials formation stage OBSOLETE. After the formation of the apical-basal axis in the young embryo, the central and basal portion give rise to the root meristem. temporal
PO:0007536 root primordium visible OBSOLETE. the root primordium is visbile temporal
PO:0007537 C3.2 maturation of phloem elements in root. OBSOLETE. The first phloem elements matures. maturation phloem elements of crown root.; maturation phloem elements of lateral root.; maturation phloem elements of primary root. temporal
PO:0007539 B2 lateral root meristem formation OBSOLETE. The stage at which the meristem of the lateral root becomes evident. temporal
PO:0007600 3 flower organ development stages Stages of development of floral organs defined by characteristic morphological, structural, histological or other visible features. 3 floral organ development stages temporal
PO:0007601 1 flower meristem visible Stage of flower development marked by the emergence of the floral meristem on the flank of the inflorescence meristem. 1 floral meristem visible; stage 1 flower in Arabidopsis temporal
PO:0007602 2 flower meristem notched Stage of floral development that begins when the floral meristem becomes demarcated from the inflorescence meristem by a slight indentation. 2 floral meristem notched; stage 2 flower in Arabidopsis temporal
PO:0007603 calyx developmental stages Stages of development of the calyx defined by characteristic morphological, structural, histological or other visible features. temporal
PO:0007604 corolla developmental stages Stages of development of the corolla defined by characteristic morphological, structural, histological or other visible features. temporal
PO:0007605 androecium developmental stages Stages of development of the androecium defined by characteristic morphological, structural, histological or other visible features. temporal
PO:0007606 gynoecium developmental stages Stages of development of the gynoecium defined by characteristic morphological, structural, histological or other visible features. temporal
PO:0007607 sepal primordium visible Stage of calyx development that begins when the sepal primordia arise. stage 3 flower in Arabidopsis temporal
PO:0007608 petal primordium visible Stage of corolla development that begins when the petal or petal-stamen primordia arise. stage 5 flower in Arabidopsis temporal
PO:0007609 sepals 50% of final size OBSOLETE. 50% of the absolute size of the sepals. temporal
PO:0007610 sepals 100% of final size OBSOLETE. 100% of the absolute size of the sepals. temporal
PO:0007611 petal differentiation and expansion stage Stage of corolla development defined by differentiation and expansion of petal. stage 10 flower in Arabidopsis; stage 12 flower in Arabidopsis; stage 9 flower in Arabidopsis temporal
PO:0007612 fully expanded petal Stage of corolla development when petal is fully expanded. temporal
PO:0007613 stamen primordium visible Stage of androecium development that begins when the stamens or petal-stamen primordia arise. stage 7 flower in Arabidopsis temporal
PO:0007615 flower development stages Stages of development of a flower defined by characteristic morphological, structural, histological or other visible features. flower development in Arabidopsis temporal
PO:0007616 4 anthesis The phase of a flower when pollen is presented and/or the stigma is receptive. stage 13 flower in Arabidopsis; stage 14 flower in Arabidopsis; stage 15 flower in Arabidopsis temporal
PO:0007617 5 post anthesis The phase of a flower after the pollen is presented and/or the stigma is receptive. stage 16 flower in Arabidopsis temporal
PO:0007618 carpel primordium visible Stage of gynoecium development that begins when the carpel primordia arise. temporal
PO:0007619 ovule developmental stages Stages of development of the ovule defined by characteristic morphological, structural, histological or other visible features. ovule development in Arabidopsis temporal
PO:0007620 ovule primordium visible Stage of ovule development that begins when the ovule primordia arise. ovule stage 1-I in Arabidopsis temporal
PO:0007621 megagametophyte developmental stages Stages of development of the megagametophyte. temporal
PO:0007622 integument initiation stage Stage of ovule development that begins when the integument primordia are visible. ovule stage 2-II in Arabidopsis; ovule stage 2-III in Arabidopsis temporal
PO:0007623 A megaspore mother cell enlarges The stage of megagametophyte development when the megaspore mother cell enlarges. ovule stage 2-I in Arabidopsis temporal
PO:0007624 B meiosis of megaspore mother cell The stage of megagametophyte development when the megaspore mother cell undergoes meiosis. ovule stage 2-IV in Arabidopsis temporal
PO:0007625 C tetrad of megaspores The product of meiosis of the megaspore mother cell. ovule stage 2-V in Arabidopsis temporal
PO:0007626 D megaspore degeneration The stage of megagametophyte development when non-functional megaspores degenerate. ovule stage 3-I in Arabidopsis temporal
PO:0007627 E two nucleate megagametophyte The stage of megagametophyte development when there are two nuclei. ovule stage 3-II in Arabidopsis temporal
PO:0007628 F four nucleate megagametophyte The stage of megagametophyte development when there are four nuclei. ovule stage 3-IV in Arabidopsis temporal
PO:0007629 G eight nucleate megagametophyte The stage of megagametophyte development when there are eight nuclei. ovule stage 3-V in Arabidopsis temporal
PO:0007631 embryo development stages Stages of development of the embryo. embryo development stage; embryonic in Arabidopsis temporal
PO:0007632 seed maturation stage Stage during which the seed storage products (storage proteins, lipids and starch) are being accumulated, either in the cotyledons or in the endosperm. Also, LEA proteins are accumulated and subsequentially, desiccation tolerant state is reached at the end of this stage. seed maturation in Arabidopsis temporal
PO:0007633 endosperm development stages Stages of development of the endosperm. temporal
PO:0008001 fruit distal end The end distal from the fruit pedicel. blossom end; porción distal del fruto (Spanish) anatomy
PO:0008002 fruit proximal end The stem end of the fruit. fruit shoulders; porción proximal del fruto (Spanish) anatomy
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) anatomy
PO:0008005 fruit nucellus A nucellus in the grass caryopsis. nucelo del fruto (Spanish) anatomy
PO:0008006 nucellar epidermis A portion of plant tissue that is the morphologically distinct outer layer of the nucellus. epidermis nucelar (Spanish); portion of nucellar epidermis anatomy
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. ; proyección nucelar (Spanish) anatomy
PO:0008008 modified aleurone A morphologically distinct aleurone layer located adjacent to the nucellar projection. aleurona modificada (Spanish) anatomy
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. proyección nucelar abaxial (Spanish) anatomy
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) anatomy
PO:0008011 embryo vascular system Vascular system of embryo. sistema vascular del embrión (Spanish) anatomy
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 anatomy
PO:0008013 anther vascular system A vascular system that includes the totality of the portions of vascular tissue in their specific arrangement in a anther. sistema vascular de la antera (Spanish) anatomy
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. filament vein; sistema vascular del filamento (Spanish) anatomy
PO:0008015 hypocotyl vascular system Vascular system of the hypocotyl. sistema vascular del hipocótile (Spanish) anatomy
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 anatomy
PO:0008017 leaf sheath pulvinus A more or less abrupt swelling, especially at the apex or base of a leaf sheath. vaina del pulvínulo de la hoja (Spanish) anatomy
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. hoja de transición (Spanish) anatomy
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) anatomy
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. zona central de la lámina de la hoja (Spanish) anatomy
PO:0008021 tertiary vein A leaf vein arising from a secondary vein. third order leaf vein; vena terciaria (Spanish) anatomy
PO:0008022 quaternary vein A leaf vein arising from a tertiary vein. fourth order leaf vein; vena cuaternaria (Spanish) anatomy
PO:0008023 higher order vein A leaf vein arising from a quaternary or higher vein order. fifth and higher order leaf vein; vena de alto orden (Spanish) anatomy
PO:0008024 petiole proximal end The region of the petiole proximal to its stem attachment site. extremo proximal del pecíolo (Spanish); petiole base anatomy
PO:0008025 central zone of the petiole Regions of the petiole that does not include petiole distal end and petiole proximal end. zona central del pecíolo (Spanish) anatomy
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); petiole apex anatomy
PO:0008027 petiole adaxial epidermis A portion of petiole epidermis that covers the adaxial/upper surface of a petiole. epidermis adaxial del pecíolo (Spanish) anatomy
PO:0008028 reproductive shoot apical meristem A shoot apical meristem that gives rise to the apical growth of reproductive tissues and organs. meristema apical reproductivo del epiblasto (epiblastema) (Spanish) anatomy
PO:0008029 petiole abaxial epidermis A portion of petiole epidermis that covers the abaxial/lower surface of a petiole. epidermis abaxial del pecíolo (Spanish) anatomy
PO:0008030 trichome cell A plant cell that is part of a trichome. célula del tricoma (Spanish); non-glandular unicellular trichome; non-secretory unicellular trichome; simple trichome; unicellular trichome anatomy
PO:0008031 trichome branch OBSOLETE. The branch on a trichome. rama del tricoma (Spanish) anatomy
PO:0025163 multicellular trichome branch cell A trichome cell that forms a branch of a multicellular trichome. célula ramificada de tricoma multicelular (Spanish) anatomy
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 anatomy
PO:0008034 leaf whorl OBSOLETE. A cluster of leaves in crowded circles or spirals arising basally from a crown. hoja en verticilo (Spanish); rosette anatomy
PO:0025022 collective leaf structure A collective phyllome structure composed of two or more leaves. estructura colectiva de hoja (Spanish); leaf whorl; rosette anatomy
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) anatomy
PO:0008036 periblem A portion of meristem tissue that forms the cortex. periblema (Spanish) anatomy
PO:0008037 seedling OBSOLETE. A young plant derived from a newly germinated seed. vástago (Spanish) anatomy
PO:0008038 adventitious root primordium A root primordium that will develop into an adventitious root. primordio de la raíz adventicia (Spanish) anatomy
PO:0008039 stem base The basal part of stem. base del tallo (Spanish); gametophore stem base anatomy
PO:0008040 lodicule primordium A primordium that will develop into a lodicule. primordio del lodículo (Spanish) anatomy
PO:0008041 stem internode elongation zone A shoot internode elongation zone that is part of a stem internode. zona de elongación del internodo del tallo (Spanish) anatomy
PO:0008042 stem internode differentiation zone A shoot internode differentiation zone that is part of a stem internode. zona de diferenciación del internodo del tallo (Spanish) anatomy
PO:0008043 floral epidermis OBSOLETE. A portion of shoot epidermis that is part of the floral organs. epidermis floral (Spanish) anatomy
PO:0025096 carpel epidermis A portion of phyllome epidermis that is part of a carpel. epidermis del carpelo (Spanish) anatomy
PO:0025097 stamen epidermis A portion of phyllome epidermis that is part of a stamen. epidermis del estambre (Spanish) anatomy
PO:0025184 tepal epidermis A portion of phyllome epidermis that is part of a tepal. epidermis del tépalo (Spanish) anatomy
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) anatomy
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) anatomy
PO:0025218 petal stomatal complex A phyllome stomatal complex that is part of a petal. complejo estomático del pétalo (Spanish); petal epidermal stomatal complex; petal epidermis stomatal complex anatomy
PO:0025219 sepal stomatal complex A phyllome stomatal complex that is part of a sepal. complejo estomático del sépalo (Spanish); sepal epidermal stomatal complex; sepal epidermis stomatal complex anatomy
PO:0025220 stamen stomatal complex A phyllome stomatal complex that is part of a stamen. complejo estomático del estambre (Spanish); stamen epidermal stomatal complex; stamen epidermis stomatal complex anatomy
PO:0025221 tepal stomatal complex A phyllome stomatal complex that is part of a tepal. complejo estomático del tépalo (Spanish); tepal epidermal stomatal complex; tepal epidermis stomatal complex anatomy
PO:0008045 floral guard cell OBSOLETE. One of a pair of cells flanking the stomatal pore of floral organs. célula guardiana floral (Spanish) anatomy
PO:0008046 floral stomatal pore OBSOLETE. A stomatal pore that is part of a floral stomatal complex. poro estomático floral (Spanish) anatomy
PO:0008047 scutellar vascular system A vascular system in a scutellum. scutellum vascular system; sistema vascular de escutelo (Spanish) anatomy
PO:0008048 scutellar epithelium A continuous layer of cylindrical cells covering the endosperm side of the scutellum. Thought to act as a secretory and absortive organ. epitelio escutelar (Spanish); portion of scutellar epithelium; scutellum epithelium anatomy
PO:0009000 pulvinus A cardinal organ part 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. pulvínulo (Spanish) anatomy
PO:0009001 fruit A collective plant structure containing one or more embryos, which as a whole, develops from a gynoecium. achene; berry; capsule; caryopsis; circumcissile capsule; cypsela; drupe; follicle; fruto (Spanish); grain; kernel; legume; loculicidal capsule; lomentum; nut; pod; pome; poricidal capsule; schizocarp; septicidal capsule; septifragal capsule; silicula; siliqua; silique anatomy
PO:0009002 plant cell A cell which is a plant structure. célula vegetal (Spanish) anatomy
PO:0009003 sporophyte OBSOLETE. A plant structure that is a product of fertilization and produces spores through meiosis. esporofito (Spanish) anatomy
PO:0028002 sporophyte phase A whole plant growth stage that begins with fertilization or apogamy. fase esporofítica (Spanish); sporophytic phase temporal
PO:0009004 gametophyte OBSOLETE. A plant structure that arises through meiosis and may produce gametes by mitosis. gametofito (Spanish) anatomy
PO:0028003 gametophyte phase A whole plant growth stage that begins with meiosis or apospory. fase gametofítica (Spanish); gametophytic phase temporal
PO:0025279 megagametophyte A whole plant in the gametophytic phase that produces only egg cells. female gametophyte; megagametofito (Spanish) anatomy
PO:0025280 microgametophyte A whole plant in the gametophytic phase that produces only sperm cells. male gametophyte; microgametofito (Spanish) anatomy
PO:0009005 root A plant axis that is part of a root system. aerial root; raíz (Spanish) anatomy
PO:0009006 shoot system A collective plant structure that produces shoot apical meristems and the plant structures that arise from them. Poaceae crown; shoot; sistema de epiblasto (epiblastema) (Spanish); tree crown anatomy
PO:0009007 portion of plant tissue A plant structure that consists predominantly of similarly specialized cells of one or more types. plant tissue; porción de un tejido vegetal (Spanish) anatomy
PO:0009008 plant organ A plant structure that is a functional unit, is a proper part of a plant, and includes portions of tissues of at least two different types that derive from a common developmental path. órgano vegetal (Spanish); compound plant organ; simple plant organ anatomy
PO:0009009 plant embryo A whole plant in the early part of a sporophytic phase after the first cell division. embrión (Spanish); germ anatomy
PO:0009010 seed A propagating organ formed in the reproductive cycle of gymnosperms and angiosperms, derived from the ovule and enclosing an embryo. semilla (Spanish) anatomy
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) anatomy
PO:0009012 plant growth and development stage The succession of changes leading from the zygote to the mature plant. Arabidopsis growth temporal
PO:0009013 meristem 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. meristema (Spanish); meristematic tissue; portion of meristem tissue anatomy
PO:0009014 dermal tissue OBSOLETE. A portion of plant tissue that covers the surface of the plant. tejido dérmico (Spanish) anatomy
PO:0009015 portion of vascular tissue A portion of plant tissue that has parts xylem and phloem. porción de tejido vascular (Spanish); vascular system anatomy
PO:0009016 ground tissue OBSOLETE. Tissues other than the vascular tissues, epidermis and the periderm. tejido fundamental (Spanish) anatomy
PO:0025059 portion of ground tissue Any portion of plant tissue other than epidermis or vascular tissue. fundamental tissue; porción del tejido fundamental (Spanish) anatomy
PO:0009017 inflorescence branch pulvinus Pulvinus of an inflorescence branch. pulvínulo ramificado de una inflorescencia (Spanish) anatomy
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) anatomy
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) anatomy
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) anatomy
PO:0009023 leaf axil An axil that is the space between a shoot axis and a leaf that branches from the shoot axis. hoja axilar (Spanish) anatomy
PO:0009025 vascular leaf A leaf in a vascular plant. foliage leaf; frond; hoja vascular (Spanish); leaf, vascular; needle-like leaf; scale-like leaf anatomy
PO:0009026 sporophyll A leaf-like organ on which one or more sporangia are borne. esporofilo (Spanish) anatomy
PO:0009027 megasporophyll A structure upon which (or in the axil of which) one or more megasporangia are borne; in flowering plants, a carpel. megasporofilo (Spanish) anatomy
PO:0009028 microsporophyll A structure on which one or more microsporangia are borne; in flowering plants, the stamen. microsporofilo (Spanish) anatomy
PO:0009029 stamen A microsporophyll bearing one or more microsporangia. estambre (Spanish); Poaceae stamen; Zea stamen anatomy
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); Poaceae carpel; Zea carpel anatomy
PO:0009031 sepal A member of the (usually green) outer whorl of non-fertile parts surrounding the fertile organs of a flower. sépalo (Spanish) anatomy
PO:0009032 petal A member of the corolla, the inner whorl of non-fertile parts surrounding the fertile organs of a flower, usually soft and colored conspicuously. pétalo (Spanish) anatomy
PO:0009033 tepal A phyllome that is part of a perianth in which all parts are similar in appearance and are neither petals nor sepals. tépalo (Spanish) anatomy
PO:0009034 flower bract A bract that subtends perianth that is part of a flower. bráctea floral (Spanish); chaff; floral bract anatomy
PO:0009035 nectary A multicellular glandular structure secreting a liquid containing organic substances especially sugars. nectario (Spanish) anatomy
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. lodículo (Spanish); lodicule of ear floret; lodicule of tassel floret; lodiculus anatomy
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 anatomy
PO:0009038 palea A flower bract that is the upper/distal of the two bracts enclosing a spikelet floret. 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 anatomy
PO:0009039 glume One of a pair of inflorescence bracts that is part of a spikelet and subtends the two florets. gluma (Spanish); rudimentary glume anatomy
PO:0009040 sterile lemma A flower bract in the position of a lemma, but not enclosing floral organs. empty glume; lemma estéril (Spanish) anatomy
PO:0009041 fertile lemma A lemma that encloses a functional flower, with androecium, gynoecium or both. lemma fértil (Spanish) anatomy
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) anatomy
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) anatomy
PO:0009044 perigynium Sac-like bract subtending the pistillate flower, as in Carex. perigeneo (Spanish) anatomy
PO:0009045 involucral bract Equals inflorescence bract of an involucre, as in Asteraceae or Compositeae. bráctea involucral (Spanish); phyllary anatomy
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; female flower; flor (Spanish); floret; hermaphrodite flower; imperfect flower; male flower; monoclinous flower; perfect flower; pistillate flower; staminate flower anatomy
PO:0009047 stem A shoot axis that is the primary axis of a plant. caña (Spanish); cane; culm; eje primario (Spanish); primary axis; stalk; tallo (Spanish); tronco (Spanish); trunk anatomy
PO:0009049 inflorescence A reproductive shoot system 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. Asteraceae floret; capitulum; catkin; corymb; cyme; dichasium; drepanium; helicoid cyme; inflorescencia (Spanish); monochasium; panicle; raceme; rhipidium; scorpioid cyme; Sorghum cob; Triticeae spike; umbel; verticillaster anatomy
PO:0009051 spikelet A reproductive shoot system that is the ultimate and congested inflorescence branch of the grasses. espiguilla (Spanish) anatomy
PO:0009052 pedicel An inflorescence branch that supports an individual flower in an inflorescence that contains more than one flower. pedicelo (Spanish) anatomy
PO:0009053 peduncle A shoot axis that extends from the last foliage leaf on a stem or branch until the next distal node. inflorescence stem; pedC:nculo (Spanish) anatomy
PO:0009054 inflorescence bract A bract subtending a branch of the inflorescence or borne on the inflorescence axis below any branches or flowers. bráctea de la inflorescencia (Spanish); corn husk; husk; husk leaf; inflorescence bract of ear anatomy
PO:0009055 bract A phyllome that subtends a reproductive structure. bráctea (Spanish); hypsophyll anatomy
PO:0009056 flower nectary A multicellular glandular structure found in the flower secreting a liquid containing organic substances especially sugars. floral nectary; nectario floral (Spanish) anatomy
PO:0009057 extrafloral nectary A multicellular glandular structure found in places other than flower secreting a liquid containing organic substances especially sugar. nectario extrafloral (Spanish) anatomy
PO:0009058 perianth A collective phyllome structure composed of two or more petals, sepals, or tepals. calyptra perianth; perianto (Spanish) anatomy
PO:0009059 corolla A collective phyllome structure composed of two or more petals. corola (Spanish) anatomy
PO:0009060 calyx A collective phyllome structure composed of two or more sepals. cálix (Spanish) anatomy
PO:0009061 androecium A collective phyllome structure composed of two or more stamens. androecio (Spanish); 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; Poaceae androecium; Zea androecium anatomy
PO:0009062 gynoecium A collective phyllome structure composed of two or more carpels. ginoecio (Spanish); 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; Zea gynoecium anatomy
PO:0009063 epicalyx A collective phyllome structure composed of two or more phyllomes immediately outside the calyx. epicálix (Spanish) anatomy
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. receptáculo (Spanish) anatomy
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. hipantio (Spanish) anatomy
PO:0009066 anther A collective plant structure that is the pollen-bearing part of a stamen. antera (Spanish); Poaceae anther; Zea anther anatomy
PO:0009067 filament A stalk that is part of a stamen. filamento (Spanish); Poaceae filament; Zea filament anatomy
PO:0009068 connective The part of the stamen that connects the microsporangia/pollen sacs. conectivo (Spanish); Poaceae connective; Zea connective anatomy
PO:0009069 anther theca A collective plant structure that is part of an anther and consists of a pair of sporangia that dehisce down a common slit. Poaceae theca; teca (Spanish); Zea theca anatomy
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) anatomy
PO:0025277 pollen sac A microsporangium that is located in a sporophyll and where the pollen grains developed and are located after they develop. anther lobe; Poaceae microsporangium; saco polínico (Spanish); Zea microsporangium anatomy
PO:0009071 anther wall tapetum A microsporangium tapetum that is part of an anther wall. Poaceae tapetum; pollen sac tapetum; portion of anther wall tapetal tissue; tapete (Spanish); Zea tapetum anatomy
PO:0009072 ovary A plant structure that is the basal portion of a carpel or group of fused carpels and encloses the ovule(s). ovario (Spanish); Poaceae ovary; Zea ovary anatomy
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; Zea stigma anatomy
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); Poaceae style; silk; Zea style anatomy
PO:0009075 plant ontology OBSOLETE. A controlled vocabulary to describe the various plant parts and the growth and developmental stages. ontología vegetal (Spanish) anatomy
PO:0009077 staminode Sterile stamen. estaminodio (Spanish) anatomy
PO:0009078 pistillode A sterile pistil, often rudimentary. pistilodio (Spanish) anatomy
PO:0009080 spikelet rachilla The axis of the spikelet, above the glumes. raquilla de la espiguilla (Spanish) anatomy
PO:0009081 inflorescence branch An inflorescence axis that is a branch forming from a primary or higher order inflorescence axis. coflorescence; conflorescencia (Spanish) anatomy
PO:0009082 spikelet floret A small flower that is part of a spikelet. florete de la espiguilla (Spanish); grass floret; Poaceae floret; spikelet flower anatomy
PO:0009083 reproductive structures OBSOLETE. Aggregation of gamete producing structures. estructuras reproductivas (Spanish) anatomy
PO:0009084 pericarp A wall of a fruit, developed from the ovary or carpel wall. fruit peel; fruit rind; pericarpo (Spanish); portion of pericarp tissue anatomy
PO:0009085 exocarp A portion of plant tissue that is the outer layer of a pericarp. ectocarp; epicarp; exocarpo (Spanish); flavedo; outer epidermis of pericarp; pericarp epidermis; portion of exocarp tissue anatomy
PO:0009086 endocarp A portion of plant tissue that is the innermost differentiated layer of a pericarp. citrus flesh; citrus pulp; endocarpo (Spanish); inner epidermis of pericarp; portion of endocarp tissue anatomy
PO:0009087 mesocarp A portion of plant tissue that is the middle layer of a pericarp. albedo; mesocarpo (Spanish); portion of mesocarp tissue anatomy
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); portion of seed coat tissue anatomy
PO:0009089 endosperm A maximal portion of nutritive plant tissue in a seed. ; endosperma (Spanish) anatomy
PO:0009090 aril A cardinal organ part that is a fleshy outgrowth of the funicle, covering all or most of the seed. arilo (Spanish) anatomy
PO:0009091 mature dispersal unit OBSOLETE. provisional term unidad de dispersión madura (Spanish) anatomy
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. involucro (Spanish) anatomy
PO:0009101 long lateral tassel branch The long branch that arise from the central spike of tassel in maize. ramificación lateral larga del penacho (borla) (Spanish); second order tassel branch anatomy
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. ramificación corta del penacho (borla) (Spanish); third order tassel branch anatomy
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. meristema de la ramificación corta del penacho (borla) (Spanish); short branch meristem; third order tassel branch meristem anatomy
PO:0009104 long lateral tassel branch meristem The meristem that gives rise to the long lateral branch in the maize tassel. long lateral branch meristem; meristema de la ramificación larga del penacho (borla) (Spanish); second order tassel branch meristem anatomy
PO:0009105 inflorescence lateral meristem The meristem which gives rise to the lateral structures of the inflorescence and contributes to their apical growth. meristema lateral de la inflorescencia (Spanish) anatomy
PO:0009106 tassel meristem Meristem that gives rise to the apical and lateral structures of the tassel inflorescence in maize. meristema del penacho (borla) (Spanish) anatomy
PO:0009107 tassel lateral meristem The meristem that gives rise to the long lateral branch, short branch and spikelets in maize tassel. meristema lateral del penacho (borla) (Spanish) anatomy
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. meristema apical de la inflorescencia (Spanish) anatomy
PO:0009109 ear meristem The meristem which gives rise to the female inflorescence or ear in maize. meristema de la espiga (Spanish) anatomy
PO:0009110 ear lateral meristem The meristem that gives rise to the lateral structures of a maize ear. meristema de la espiga lateral (Spanish) anatomy
PO:0009111 petiole pulvinus Pulvinus of the petiole. pulvínulo del pecíolo (Spanish) anatomy
PO:0019018 embryo axis A plant axis that is the axial part of a plant embryo. eje del embrión (Spanish); hypocotyl-root axis; zygotic plant embryo axis anatomy
PO:0019022 arilloid A cardinal organ part that is a fleshy outgrowth of a seed and does not cover the entire seed and develops from a part of the seed other than a funicle. ariloide (Spanish); caruncle; strophiole anatomy
PO:0019023 strophiole An outgrowth occurring on the raphe. estrofiolo (Spanish) anatomy
PO:0019024 seed operculum A plug-like structure formed in the micropylar region of the seed coat. opérculo de la semilla (Spanish); portion of seed operculum tissue anatomy
PO:0019026 tracheid bar A distinct ring-like structure, composed of tracheid cells, which surrounds the hilum of some taxa e.g., Phaseolus, and forms a groove in the surface of the pericarp (immediately adjacent to the hilum). barra de la traqueida (Spanish) anatomy
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 anatomy
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); Poaceae endothecium; pollen sac endothecium; Zea endothecium anatomy
PO:0020003 ovule A stalked or sessile structure in a seed plant within which one or more megaspores are formed and later the female gametophyte or embryo sac develops. óvulo (Spanish); Poaceae ovule; Zea ovule anatomy
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); Poaceae exothecium; pollen sac exothecium; Zea exothecium anatomy
PO:0020005 placentoid A portion of parenchyma tissue that is part of a connective and projects into a pollen sac. plancentoide (Spanish); Poaceae placentoid; Zea placentoid anatomy
PO:0020006 funicle A stalk that attaches an ovule to a placenta. funículo (Spanish); funiculus; Poaceae funicle; Zea funicle anatomy
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) anatomy
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) anatomy
PO:0020010 endexine OBSOLETE. The inner part of the exine, which stains. endexina (Spanish) anatomy
PO:0020011 nexine OBSOLETE. The inner, non-sculptured part of the exine which lies below the sexine. nexina (Spanish) anatomy
PO:0020012 sexine OBSOLETE. The outer, sculptured layer of the exine, which lies above the nexine. sexina (Spanish) anatomy
PO:0020013 tectum OBSOLETE. The layer of sexine, which forms a roof over the columellae, granules or other infratectal elements. sexine 2; tectum (Spanish) anatomy
PO:0020014 columella OBSOLETE. A rod-like element of the sexine/ectexine, either supporting the tectum or a caput. columela (Spanish); sexine 1 anatomy
PO:0020015 sculpture elements OBSOLETE. Third layer of sexine. elementos de la escultura (Spanish); sexine 3 anatomy
PO:0020016 foot layer OBSOLETE. The inner layer of the ectexine. capa basal del grano de polen (Spanish); nexine 1 anatomy
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) anatomy
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. pollen pore; poro de germinación (Spanish) anatomy
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). megaspora (Spanish); Poaceae megaspore; Zea megaspore anatomy
PO:0020020 nucellus A megasporangium in a seed plant, composed of fleshy subepidermal tissue that is located in an ovule and surrounding a megasporocyte. megasporangium; nucelo (Spanish); Poaceae nucellus; Zea nucellus anatomy
PO:0020021 integument One of the layers of tissue that usually covers an ovule, enveloping a nucellus and forming the micropyle at the apex. integumento (Spanish); Poaceae integument; portion of integument tissue; Zea integument anatomy
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 anatomy
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 anatomy
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 anatomy
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 anatomy
PO:0020026 chalaza A portion of plant tissue that is the region in an ovule where the integuments and the nucellus join with the funiculus. calaza (Spanish); ovular chlaza; Poaceae chalaza; portion of chalaza tissue; Zea chalaza anatomy
PO:0020027 raphe A cardinal organ part that is a ridge on an ovule where a funicle is or was fused to the ovule. rafe (Spanish) anatomy
PO:0020028 antiraphe A cardinal organ part that is the part of an ovule on the opposite side from a raphe. anterafe (Spanish) anatomy
PO:0020029 obturator An outgrowth of the funicle, that forms a bridge between the micropyle and other tissues. obturador (Spanish); portion of obturator tissue anatomy
PO:0020030 cotyledon A leaf formed at the first node of a sporophyte. cotiledón (Spanish) anatomy
PO:0020031 radicle An embryonic root that is the basal continuation of a hypocotyl. radícula (Spanish) anatomy
PO:0020032 plumule A somewhat differentiated terminal bud above the cotyledonary node, in which one or more internodes and leaves or scales can be discerned in a primordial stage. embryonic shoot; plC:mula (Spanish) anatomy
PO:0020033 coleoptile A phyllome that surrounds the plumule of an embryo or the emerging shoot apex of a seedling. coleóptile (Spanish) anatomy
PO:0020034 coleorhiza A plant organ that surrounds a radicle. coleorriza (Spanish) anatomy
PO:0020035 epicotyl The first stem internode above a hypocotyl. epicótile (Spanish) anatomy
PO:0020036 epiblast A portion of plant tissue that is a flap-like projection of the coleorhiza, inserted opposite the scutellum. epiblasto (Spanish) anatomy
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) anatomy
PO:0020038 petiole A stalk of a leaf. pecíolo (Spanish) anatomy
PO:0020039 leaf lamina A lamina that is part of a leaf, usually dorsiventrally flattened and expanded. lámina de la hoja (Spanish); leaf blade anatomy
PO:0020040 leaf base A phyllome base that is part of a leaf. base de la hoja (Spanish); leaf sheath base; phyllid base anatomy
PO:0020041 stipule A phyllome that is one of (usually) a pair of appendages at a leaf base. estípula (Spanish) anatomy
PO:0020042 simple leaf A leaf in which the lamina is undivided. hoja simple (Spanish) anatomy
PO:0020043 compound leaf A leaf having two or more distinct leaflets that are evident as such from early in development. hoja compuesta (Spanish) anatomy
PO:0020044 hyperphyll The unifacial terete apical portion of a monocot cotyledon, sometimes also visible on other leaves. hiperfilo (Spanish) anatomy
PO:0020045 pinnate leaf A once-compound leaf with leaflets borne along a rachis. hoja pinnada (Spanish) anatomy
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) anatomy
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 anatomy
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 anatomy
PO:0020049 leaflet One of the ultimate segments of a compound leaf. folíolo (Spanish) anatomy
PO:0020050 petiolule A stalk of a leaflet. peciolulo (Spanish) anatomy
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) anatomy
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) anatomy
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) anatomy
PO:0020054 bud scale leaf A scale leaf that surrounds a dormant or perennating bud. bud scale; escama de la yema (Spanish) anatomy
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. raquis de la hoja (Spanish) anatomy
PO:0020056 tegmen That part of the seed coat that develops from the inner integument. portion of tegmen tissue; tegmen (Spanish) anatomy
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) anatomy
PO:0020058 perisperm Diploid nutritive tissue in an angiosperm seed derived from nucellar tissue. perisperma (Spanish); portion of perisperm tissue; seed nucellus anatomy
PO:0020059 pollen wall OBSOLETE. Complex wall surrounding the micrsopore. pared del grano de polen (Spanish) anatomy
PO:0020060 caruncle An outgrowth from the surface of a seed, usually near the hilum or micropyle. carC:ncula (Spanish) anatomy
PO:0020061 coma A portion of seed coat epidermis that consists of multiple seed trichomes at the micropyle. brush; coma (Spanish) anatomy
PO:0020062 elaiosome An appendage of a seed, usually rich in oil, attractive to animals, especially ants. elaiosoma (Spanish) anatomy
PO:0020063 hilum A cardinal organ part that is a scar on a seed at the place where it was attached to a funicle. hilo (Spanish) anatomy
PO:0020064 dehiscent fruit OBSOLETE. Fruit that breaks open at maturity to release the contents. fruto dehiscente (Spanish) anatomy
PO:0020065 indehiscent fruit OBSOLETE. Fruit that does not open at maturity. fruto indehiscente (Spanish) anatomy
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) anatomy
PO:0020075 mericarp OBSOLETE. One segment of a fruit of a schizocarp consisting of pericarp plus seed(s). mericarpo (Spanish) anatomy
PO:0020081 seed as dispersal unit OBSOLETE. semilla como unidad dispersante (Spanish) anatomy
PO:0020084 pyrene OBSOLETE. The 'stone' or 'pit' (endocarp plus seed) of a succulent fruit. pireno (Spanish) anatomy
PO:0020085 seed and fruit wall as dispersal unit OBSOLETE. pared de la semilla y fruto como unidad dispersante (Spanish) anatomy
PO:0020086 multiple fruit OBSOLETE. Fruit on a common axis derived from the ovaries of several flowers. fruto mC:ltiple (Spanish) anatomy
PO:0020090 central cell The largest cell of the mature embryo sac. Contains two polar nuclei, which (after double fertilization) will develop into the endosperm. célula central (Spanish) anatomy
PO:0020091 obsolete microgametophyte OBSOLETE. A gametophyte that produces pollen sperm cells. male gametophyte; microgametofito (Spanish); pollen; pollen grain anatomy
PO:0025281 pollen A microgametophyte that is located in a pollen sac. polen (Spanish); pollen grain anatomy
PO:0025283 antheridium microgametophyte A microgametophyte that has as parts one or more antheridia. anteridio del microgametofito (Spanish); antheridial microgametophyte anatomy
PO:0020092 obsolete megagametophyte OBSOLETE. A gametophyte that produces female gametes. embryo sac; female gametophyte; megagametofito (Spanish) anatomy
PO:0025074 embryo sac A megagametophyte that is located in an ovule in an ovary. saco embrionario (Spanish) anatomy
PO:0025282 archegonium megagametophyte A megagametophyte that has as parts one or more archegonia. archegonial megagametophyte; arquegonio del megagametofito (Spanish) anatomy
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) anatomy
PO:0020094 plant egg cell A gamete produced by an archegonium or an embryo sac. female gamete; megagamete; oocélula (Spanish) anatomy
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) anatomy
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) anatomy
PO:0020097 generative cell A cell of the male gametophyte of angiosperms that divides to produce two male gametes or sperm cells. célula generativa (Spanish) anatomy
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 anatomy
PO:0020100 hypocotyl A stem internode that is the part of a stem below the cotyledonary node and transitional to a root. hipocótile (Spanish) anatomy
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; Zea stomium anatomy
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 anatomy
PO:0020103 flag leaf The last mature leaf before the inflorescence in a cereal crop plant. hoja en bandera (Spanish) anatomy
PO:0020104 leaf sheath A tubular portion of the leaf surrounding the stem, as in the Poaceae. vaina de la hoja (Spanish) anatomy
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. lígula (Spanish) anatomy
PO:0020106 auricle Outgrowth at the base of a leaf blade that may wrap around the stem. aurícula (Spanish) anatomy
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. suspensor (Spanish) anatomy
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; hipófisis (Spanish) anatomy
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); haustorial cotyledon anatomy
PO:0020121 lateral root A root that develops from a lateral root primordium located in the pericycle layer of a primary root. raíz lateral (Spanish) anatomy
PO:0020122 inflorescence axis A shoot axis that is part of an inflorescence. eje de la inflorescencia (Spanish); first order inflorescence branch; inflorescence rachis anatomy
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 anatomy
PO:0020124 root stele A stele that is part of a root. root vascular cylinder; sistema vascular de la raíz (Spanish) anatomy
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) anatomy
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) anatomy
PO:0020126 tassel inflorescence The functionally-staminate flowering structure that terminates the stem of a Zea mays plant. penacho de la inflorescencia (Spanish) anatomy
PO:0020127 primary root A root that develops directly from an embryonic radicle. raíz primaria (Spanish); tap root anatomy
PO:0020128 leaf margin The margin of any flattened part of a leaf. margen de la hoja (Spanish) anatomy
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 anatomy
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 anatomy
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) anatomy
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 stem cell; columella stem cell anatomy
PO:0020134 statolith OBSOLETE. Solid cell inclusion of starch containing plastids occurring in root cap cells. estatolito (Spanish) anatomy
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) anatomy
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; oreja de la inflorescencia (Spanish) anatomy
PO:0020137 leaf apex A phyllome apex that is part of a leaf. ápice de la hoja (Spanish); phyllid apex anatomy
PO:0020138 leaf vein A strand of vascular tissue in the leaf blade. vena de la hoja (Spanish) anatomy
PO:0020139 midvein The central, and usually the most prominent, vein of a leaf or leaf-like organ. mid rib; vena media (Spanish) anatomy
PO:0020140 secondary vein Second order veins in the leaf blade. veinlet; vena secundaria (Spanish) anatomy
PO:0020141 stem node A shoot node that is part of a stem. nodo del tallo (Spanish) anatomy
PO:0020142 stem internode A shoot internode that is part of a stem. internodo del tallo (Spanish) anatomy
PO:0020144 apical meristem A maximal portion of meristem tissue located at an apex of a shoot system or root system. meristema apical (Spanish); primary meristem anatomy
PO:0020145 lateral meristem A meristem containing cells along the stem or root that first differentiate and function as members of a mature tissue system but then again take up meristematic activity. meristema lateral (Spanish); secondary meristem anatomy
PO:0020147 root apical meristem An apical meristem of the root system. meristema apical de la raíz (Spanish); promeristem anatomy
PO:0020148 shoot apical meristem A shoot meristem formed in the apex of the shoot, including meristems originating as axillary shoot meristems. apical meristem; meristema apical del epiblasto (epiblastema) (Spanish); primary shoot meristem anatomy
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) anatomy
PO:0021002 calyx absolute size OBSOLETE. The proportion of the absolute size reached by the calyx temporal
PO:0021003 calyx relationship OBSOLETE. The stages of development of the calyx with respect to the rest of the bud temporal
PO:0021004 inflorescence initiation stage Stage of inflorescence development marked by the formation of the inflorescence meristem on a vegetative branch. temporal
PO:0025001 cardinal organ part A plant structure that is a proper part of an organ and includes portions of tissues of at least two different types. parte de un órgano cardinal (Spanish) anatomy
PO:0025002 basal root A root that arises from a part of the hypocotyl. adventitious root; raíz basal (Spanish) anatomy
PO:0025003 tuber axillary shoot An axillary shoot that develops from a tuber axillary bud. epiblasto (epiblastema) lateral de tubérculo (Spanish) anatomy
PO:0025004 plant axis An axial plant organ. eje de la planta (Spanish) anatomy
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) anatomy
PO:0025006 gamete A plant cell that has half the chromosome complement of the sporophyte and is capable of fertilization to create a zygote. gameta (Spanish) anatomy
PO:0025007 collective plant structure A plant structure that is a proper part of a plant and is composed of two or more organs and any associated portions of plant tissue. collective plant organ structure; estructura colectiva vegetal (Spanish) anatomy
PO:0025008 petal margin The margin of a petal. margen del pétalo (Spanish) anatomy
PO:0025009 leaf lamina margin The margin of a leaf lamina. margen de la lámina de la hoja (Spanish) anatomy
PO:0025010 petiole margin The margin of a flattened petiole. margen del pecíolo (Spanish) anatomy
PO:0025011 bract margin The margin of a bract. margen de la bráctea (Spanish) anatomy
PO:0025012 cotyledon margin The margin of a cotyledon. margen del cotiledón (Spanish) anatomy
PO:0025013 prophyll margin The margin of a prophyll. margen del profilo (Spanish) anatomy
PO:0025014 scale leaf margin The margin of a scale leaf. margen de la hoja escamosa (Spanish) anatomy
PO:0025015 tepal margin The margin of a tepal. margen del tépalo (Spanish) anatomy
PO:0025016 sporophyll margin The margin of a sporophyll. margen del esporofilo (Spanish) anatomy
PO:0025017 spore A plant cell that arises through meiosis and develops into a gametophyte. espora (Spanish) anatomy
PO:0025018 phyllome margin The margin of a phyllome. margen del filoma (Spanish) anatomy
PO:0025019 carpel margin The margin of a carpel. margen del carpelo (Spanish) anatomy
PO:0025020 stamen margin The margin of a stamen. margen del estambre (Spanish) anatomy
PO:0025021 collective tepal structure A perianth consisting of two or more tepals. estructura colectiva del tépalo (Spanish) anatomy
PO:0025023 collective phyllome structure A collective plant structure that consists of two or more phyllomes originating from the same node or from one or more adjacent nodes with compressed internodes. estructura colectiva del filoma (Spanish); floral whorl; phyllome whorl; whorl anatomy
PO:0025024 branch node A shoot node that is part of a branch. nodo ramificado (Spanish) anatomy
PO:0025025 root system A collective plant structure that produces root apical meristems and the plant structures that arise from them. sistema de raíz (Spanish) anatomy
PO:0025026 megagametophyte cell A plant cell that is part of an embryo sac. célula megagametofítica (Spanish); embryo sac cell; megagametophytic cell anatomy
PO:0025027 microgametophytic cell OBSOLETE. A plant cell that is part of a male gametophyte. célula microgametofítica (Spanish) anatomy
PO:0025028 embryo plant cell A plant cell that is part of a plant embryo. célula embriónica vegetal (Spanish); embryonic plant cell anatomy
PO:0025029 shoot axis A plant axis that is part of a shoot system. caullome; eje del epiblasto (epiblastema) (Spanish); shoot anatomy
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 anatomy
PO:0025031 laticifer cell A ground tissue cell that contains latex. célula laticífera (Spanish) anatomy
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. hidroide (Spanish); hydroid cell anatomy
PO:0025033 leptoid A plant cell that resembles in structure the sieve elements of vascular plants. leptoid cell; leptoide (Spanish) anatomy
PO:0025034 leaf A phyllome that is not associated with a reproductive structure. hoja (Spanish) anatomy
PO:0025035 storage parenchyma A portion of parenchyma specialized for carbohydrate storage. flesh; fleshy tissue; parénquima de reserva (Spanish); portion of storage parenchyma anatomy
PO:0025036 tuber storage parenchyma A portion of storage parenchyma that is part of a tuber. parénquima de reserva de tubérculo (Spanish); tuber flesh anatomy
PO:0025037 fruit storage parenchyma A portion of storage parenchyma that is part of a fruit. fruit flesh; parénquima de reserva de fruto (Spanish) anatomy
PO:0025038 subterranean tuber storage parenchyma A portion of tuber storage parenchyma that is part of a subterranean tuber. parénquima de reserva de tubérculo subterráneo (Spanish); potato tuber flesh anatomy
PO:0025039 aerial tuber storage parenchyma A portion of tuber storage parenchyma that is part of an aerial tuber. parénquima de reserva de tubérculo aéreo (Spanish) anatomy
PO:0025040 tuber axillary vegetative bud An axillary vegetative bud that is part of a tuber. tuber bud; tuber eye; yema vegetativa axilar de tubérculo (Spanish) anatomy
PO:0025041 aerial tuber axillary vegetative bud A tuber axillary vegetative bud that is part of an aerial tuber. yema vegetativa axilar de tubérculo aéreo (Spanish) anatomy
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) anatomy
PO:0025043 tuber periderm A portion of shoot periderm that is part of a tuber. peridermis de tubérculo (Spanish) anatomy
PO:0025044 aerial tuber periderm A portion of tuber periderm that is part of an aerial tuber. peridermis de tubérculo aéreo (Spanish) anatomy
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) anatomy
PO:0025046 tuber epidermis A portion of shoot axis epidermis that is part of a tuber. epidermis de tubérculo (Spanish) anatomy
PO:0025047 aerial tuber epidermis A portion of tuber epidermis that is part of an aerial tuber. epidermis de tubérculo aéreo (Spanish) anatomy
PO:0025048 subterranean tuber epidermis A tuber epidermis that is part of a subterranean tuber. epidermis de tubérculo subterráneo (Spanish); young potato tuber skin anatomy
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) anatomy
PO:0025050 tuber interfascicular region An interfascicular region that is part of a tuber storage parenchyma. región interfascicular de tubérculo (Spanish); tuber flesh anatomy
PO:0025051 aerial tuber interfascicular region A tuber interfascicular region that is part of an aerial tuber storage parenchyma. región interfascicular de tubérculo aéreo (Spanish) anatomy
PO:0025052 tuber pith A portion of pith that is part of a tuber storage parenchyma. médula del tubérculo (Spanish); tuber flesh anatomy
PO:0025053 subterranean tuber pith A portion of tuber pith that is part of a subterranean tuber storage parenchyma. médula del tubérculo subterráneo (Spanish); water core anatomy
PO:0025054 aerial tuber pith A portion of tuber pith that is part of an aerial tuber storage parenchyma. médula del tubérculo aéreo (Spanish) anatomy
PO:0025055 tuber cortex A portion of stem cortex that is part of a tuber storage parenchyma. corteza del tubérculo (Spanish) anatomy
PO:0025056 aerial tuber cortex A portion of tuber cortex that is part of an aerial tuber storage parenchyma. corteza del tubérculo aéreo (Spanish) anatomy
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 anatomy
PO:0025058 perimedullary zone A portion of parenchyma that is the outer layer of a portion of pith. zona perimedular (Spanish) anatomy
PO:0025060 lamina A regional part of an anatomical structure that is enlarged through lateral growth. lámina (Spanish) anatomy
PO:0025061 tuber perimedullary zone A perimedullary zone that is part of a tuber pith. tuber flesh; zona perimedular del tubérculo (Spanish) anatomy
PO:0025062 aerial tuber perimedullary zone A tuber perimedullary zone that is part of an aerial tuber pith. zona perimedular del tubérculo aéreo (Spanish) anatomy
PO:0025063 subterranean tuber perimedullary zone A tuber perimedullary zone that is part of a subterranean tuber pith. zona perimedular del tubérculo subterráneo (Spanish) anatomy
PO:0025064 shoot axis perimedullary zone A perimedullary zone that is part of a shoot axis pith. branch perimedullary zone; stem perimedullary zone; zona perimedular de eje del epiblasto (epiblastema) (Spanish) anatomy
PO:0025065 root perimedullary zone A perimedullary zone that is part of a root pith. zona perimedular de la raíz (Spanish) anatomy
PO:0025066 stalk A cardinal organ part that is elongated and sub-cylindrical to cylindrical and supports another cardinal organ part. tallo de alto orden (secundario, terciario, etc) (Spanish) anatomy
PO:0025067 seed storage parenchyma A portion of storage parenchyma that is part of a seed. parénquima de reserva de la semilla (Spanish) anatomy
PO:0025068 tuber axillary bud meristem An axillary bud meristem that is part of a tuber. meristema axilar de yema de tubérculo (Spanish) anatomy
PO:0025069 aerial tuber axillary bud meristem A tuber axillary bud meristem that is part of an aerial tuber. meristema axilar de yema de tubérculo aéreo (Spanish) anatomy
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) anatomy
PO:0025071 terminal reproductive bud A terminal bud that develops into a reproductive structure. yema terminal reproductiva (Spanish) anatomy
PO:0025072 axillary reproductive bud An axillary bud that develops into a reproductive structure. yema axilar reproductiva (Spanish) anatomy
PO:0025073 branch A shoot axis that develops from an axillary meristem or from equal divisions of the shoot apical meristem. higher order axis; ramificación (Spanish); secondary axis; tertiary axis; twig anatomy
PO:0025075 non-vascular leaf A leaf in a non-vascular plant. gametophyll; gametophyte leaf; gametophytic leaf; hoja no vascular (Spanish); non-vascular leaflet; phyllid; phyllidium anatomy
PO:0025076 axillary strobilus bud An axillary reproductive bud that develops into a strobilus. yema de estróbilo axilar (Spanish) anatomy
PO:0025077 terminal strobilus bud A terminal reproductive bud that develops into a strobilus. yema de estróbilo terminal (Spanish) anatomy
PO:0025078 placenta A portion of plant tissue to which ovules or seeds are attached. placenta (Spanish); portion of placenta tissue anatomy
PO:0025079 aerial tuber axillary shoot An axillary shoot that develops from an aerial tuber axillary bud. epiblasto (epiblastema) axilar de tubérculo aéreo (Spanish) anatomy
PO:0025080 branch internode A shoot internode that is part of a branch. internodo de una ramificación (Spanish) anatomy
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 anatomy
PO:0025082 reproductive shoot system A shoot system in the sporophytic phase that has as part at least one sporangium. sistema de brote reproductivo (Spanish) anatomy
PO:0025083 strobilus A reproductive shoot system consisting of a number of modified leaves (sporophylls) or ovule-bearing scales grouped terminally on a stem. cone; cono (Spanish); estróbilo (Spanish); ovulate cone; pollen cone anatomy
PO:0025084 reproductive bud A bud that develops into a reproductive shoot system. yema reproductiva (Spanish) anatomy
PO:0025085 strobilus bud A bud that develops into a strobilus. cone bud; yema estrobilar (Spanish) anatomy
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. 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 anatomy
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) anatomy
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 anatomy
PO:0025094 sporangium A plant organ in which spores are produced. esporangio (Spanish); moss capsule; sporangia; spore capsule anatomy
PO:0025095 root parenchyma A portion of parenchyma tissue that is part of a root. parénquima de la raíz (Spanish) anatomy
PO:0025098 bract trichome A phyllome trichome that is part of a bract epidermis. tricoma de bráctea (Spanish) anatomy
PO:0025099 embryo plant structure A plant structure that is part of an embryo. embryonic plant structure; estructura vegetal embriónica (Spanish) anatomy
PO:0025100 shoot internode elongation zone A plant axis elongation zone that is part of a shoot axis internode. zona de elongación del internodo de epiblasto (epiblastema) (Spanish) anatomy
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) anatomy
PO:0025102 shoot internode differentiation zone A plant axis differentiation zone that is part of a shoot axis. zona de diferenciación del internodo del epiblasto (epiblastema) (Spanish) anatomy
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) anatomy
PO:0025104 first order inflorescence axis An inflorescence axis that is the primary or main axis of an inflorescence. inflorescence rachis; primary inflorescence axis; primer orden del eje de la inflorescencia (Spanish) anatomy
PO:0025105 forth order inflorescence axis An inflorescence branch arising from a third order inflorescence axis. cuarto orden del eje de la inflorescencia (Spanish) anatomy
PO:0025106 fifth order inflorescence axis An inflorescence branch arising from a forth order inflorescence axis. quinto orden del eje de la inflorescencia (Spanish) anatomy
PO:0025107 sixth order inflorescence axis An inflorescence branch arising from a fifth order inflorescence axis. sexto orden del eje de la inflorescencia (Spanish) anatomy
PO:0025108 seventh order inflorescence axis An inflorescence branch arising from a sixth order inflorescence axis. séptimo orden del eje de la inflorescencia (Spanish) anatomy
PO:0025109 eighth order inflorescence axis An inflorescence branch arising from a seventh order inflorescence axis. octavo orden del eje de la inflorescencia (Spanish) anatomy
PO:0025110 ninth order inflorescence axis An inflorescence branch arising from an eighth order inflorescence axis. noveno orden del eje de la inflorescencia (Spanish) anatomy
PO:0025111 tenth or higher order inflorescence axis An inflorescence branch arising from a ninth or higher order inflorescence axis. décimo o mayor orden del eje de la inflorescencia (Spanish) anatomy
PO:0025112 second order infructescence axis An infructescence branch arising from a first order infructescence axis. primary infructescence branch; segundo orden del eje de la infructescencia (Spanish) anatomy
PO:0025113 third order infructescence axis An infructescence branch arising from a second order infructescence axis. secondary infructescence branch; tercer orden del eje de la infructescencia (Spanish) anatomy
PO:0025114 forth order infructescence axis An infructescence branch arising from a third order infructescence axis. cuarto orden del eje de la infructescencia (Spanish) anatomy
PO:0025115 fifth order infructescence axis An infructescence branch arising from a forth order infructescence axis. quinto orden del eje de la infructescencia (Spanish) anatomy
PO:0025116 sixth order infructescence axis An infructescence branch arising from a fifth order infructescence axis. sexto orden del eje de la infructescencia (Spanish) anatomy
PO:0025117 plant anatomical space An anatomical space that is part of a plant. espacio anatómico vegetal (Spanish) anatomy
PO:0025118 anther pore A plant anatomical space that is a pore at the apex of an anther. poro de la antera (Spanish) anatomy
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) anatomy
PO:0025120 antheridium sperm cell A plant sperm cell that is produced by and located in an antheridium. antheridial sperm cell; célula espermática del anteridio (Spanish); spermatazoid anatomy
PO:0025121 pollen sperm cell A plant sperm cell that is produced by and located in a pollen grain. célula espermática polínica (Spanish) anatomy
PO:0025122 archegonium egg cell A plant egg cell that is produced by and located in an archegonium. archegonial egg call; oocélula del arquegonio (Spanish) anatomy
PO:0025123 embryo sac egg cell A plant egg cell that is produced by and located in an embryo sac. oocélula del saco embrionario (Spanish) anatomy
PO:0025124 plant gametangium A plant organ that produces one or more gametes that are located in it and is part of a whole plant in the gametophytic phase. gametangio (Spanish) anatomy
PO:0025125 antheridium A plant gametangium that produces antheridium sperm cells that are located in it. anteridio (Spanish) anatomy
PO:0025126 archegonium A plant gametangium that produces an archegonium egg cell that is located in it. archegonia; arquegonio (Spanish) anatomy
PO:0025127 primordium A portion of plant tissue that differentiates and develops from meristem tissue into a new plant structure. portion of primordial tissue; portion of primordium tissue; primordio (Spanish) anatomy
PO:0025128 phyllome primordium A primordium that will develop into a phyllome. primordio del filoma (Spanish) anatomy
PO:0025129 petiole lamina A lamina that is part of a petiole. lámina (ala) del pecíolo (Spanish); petiole wing anatomy
PO:0025130 cigar leaf A leaf near the apex of a stem that is still rolled into a cylinder. hoja en cigarro (Spanish) anatomy
PO:0025131 plant anatomical entity An anatomical entity that is or was part of a plant. entidad anatómica vegetal (Spanish) anatomy
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) anatomy
PO:0025133 petiole canal A canal that is part of a petiole. canal de pecíolo (Spanish) anatomy
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); Musa crown anatomy
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) anatomy
PO:0025136 free tepal A tepal that is separate from all other tepals. tépalo libre (Spanish) anatomy
PO:0025137 fused tepal A tepal that is fused to another tepal. tépalo fusionado (Spanish) anatomy
PO:0025138 fused collective tepal structure A collective tepal structure that has as parts at least two fused tepals. compound tepal; estrutura colectiva de tépalo fusionado (Spanish); syntepalous perianth anatomy
PO:0025139 phyllome apex The apical portion of a phyllome. ápice del filoma (Spanish) anatomy
PO:0025140 phyllome base The basal part of a phyllome, where it attaches to a shoot axis. base del filoma (Spanish) anatomy
PO:0025141 phyllome tip The apical most portion of a phyllome apex. punta del filoma (Spanish) anatomy
PO:0025142 leaf tip A phyllome tip that is part of a leaf apex. punta de la hoja (Spanish) anatomy
PO:0025143 tepal apex A phyllome apex that is part of a tepal. ápice del tépalo (Spanish); compound tepal lobe; free tepal apex anatomy
PO:0025144 petal apex A phyllome apex that is part of a petal. ápice del pétalo (Spanish) anatomy
PO:0025145 sepal apex A phyllome apex that is part of a sepal. ápice del sépalo (Spanish) anatomy
PO:0025146 petal base A phyllome base that is part of a petal. base del pétalo (Spanish) anatomy
PO:0025147 sepal base A phyllome base that is part of a sepal. base del sépalo (Spanish) anatomy
PO:0025148 tepal base A phyllome base that is part of a tepal. base del tépalo (Spanish) anatomy
PO:0025149 petal tip A phyllome tip that is part of a petal apex. punta del pétalo (Spanish) anatomy
PO:0025150 sepal tip A phyllome tip that is part of a sepal apex. punta del sépalo (Spanish) anatomy
PO:0025151 tepal tip A phyllome tip that is part of a tepal apex. punta del tépalo (Spanish) anatomy
PO:0025152 peduncle epidermis A portion of branch epidermis that is part of a peduncle. epidermis del pedC:nculo (Spanish); peduncle surface anatomy
PO:0025153 peduncle trichome A shoot axis trichome that is part of a peduncle epidermis. peduncle hair; tricoma del pedC:nculo (Spanish) anatomy
PO:0025154 bract apex A phyllome apex that is part of a bract. ápice de la bráctea (Spanish) anatomy
PO:0025155 bract base A phyllome base that is part of a bract. base de la bráctea (Spanish) anatomy
PO:0025156 bract tip A phyllome tip that is part of a bract apex. punta de la bráctea (Spanish) anatomy
PO:0025157 phyllome epidermis A portion of shoot epidermis that is part of a phyllome. epidermis del filoma (Spanish) anatomy
PO:0025158 bract epidermis A portion of phyllome epidermis that is part of a bract. epidermis de la bráctea (Spanish) anatomy
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) anatomy
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) anatomy
PO:0025161 portion of plant substance A portion of organism substance that is or was part of a plant. porción de sustancia vegetal (Spanish) anatomy
PO:0025162 multicellular trichome A portion of plant tissue that forms a non-sclerified outgrowth from the epidermis. non-glandular multicelluar trichome; non-secretory multicellular trichome; tricoma multicelular (Spanish) anatomy
PO:0025164 root epidermal cell An epidermal cell that is part of a root epidermis. célula epidérmica de la raíz (Spanish) anatomy
PO:0025165 shoot epidermal cell An epidermal cell that is part of a shoot epidermis. célula epidérmica del epiblasto (epiblastema) (Spanish) anatomy
PO:0025169 prickle A portion of epidermis that is a sclerified outgrowth. espinilla (Spanish) anatomy
PO:0025170 root prickle A prickle that is part of a root. espinilla de la raíz (Spanish) anatomy
PO:0025171 shoot axis prickle A prickle that is part of a shoot axis. espinilla del eje del epiblasto (epiblastema) (Spanish) anatomy
PO:0025172 thorn A branch that is a sclerified, pointed outgrowth. espina (Spanish) anatomy
PO:0025173 spine leaf A leaf that is a sclerified and pointed and lacks a lamina. espina de hoja (Spanish); leaf spine anatomy
PO:0025174 spine stipule A stipule that is sclerified and pointed. espina de estípula (Spanish); stipule spine anatomy
PO:0025175 leaf prickle A prickle that is part of a leaf. espinilla de la hoja (Spanish) anatomy
PO:0025176 stem trichome A shoot axis trichome that is part of a stem epidermis. stem hair; tricoma del tallo (Spanish) anatomy
PO:0025177 branch trichome A shoot axis trichome that is part of a branch epidermis. branch hair; tricoma de una ramificación (Spanish) anatomy
PO:0025178 stem epidermis A portion of shoot axis epidermis that is part of a stem. epidermis del tallo (Spanish) anatomy
PO:0025179 branch epidermis A portion of shoot axis epidermis that is part of a branch. epidermis de la ramificación (Spanish) anatomy
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) anatomy
PO:0025182 sepal trichome A phyllome trichome that is part of a sepal epidermis. tricoma de la epidermis del sépalo (Spanish) anatomy
PO:0025183 leaf stomatal complex A phyllome stomatal complex that is part of a leaf. complejo estomático de la hoja (Spanish); leaf epidermal stomatal complex; leaf epidermis stomatal complex anatomy
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); leaf lamina epidermal stomatal complex; leaf lamina epidermis stomatal complex anatomy
PO:0025186 phyllome trichome A trichome that is part of a phyllome epidermis. tricoma del filoma (Spanish) anatomy
PO:0025187 petal trichome A phyllome trichome that is part of a petal epidermis. tricoma del pétalo (Spanish) anatomy
PO:0025188 tepal trichome A phyllome trichome that is part of a tepal epidermis. tricoma de la epidermis del tépalo (Spanish) anatomy
PO:0025189 petiole stomatal complex A leaf stomatal complex that is part of a petiole. complejo estomático del pecíolo (Spanish); petiole epidermal stomatal complex; petiole epidermis stomatal complex anatomy
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); leaf abaxial epidermal stomatal complex; leaf abaxial epidermis stomatal complex anatomy
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); leaf adaxial epidermal stomatal complex; leaf adaxial epidermis stomatal complex anatomy
PO:0025192 tepal abaxial epidermis A portion of tepal epidermis that covers the abaxial/lower surface of a tepal. epidermis abaxial del tépalo (Spanish) anatomy
PO:0025193 tepal adaxial epidermis A portion of tepal epidermis that covers the adaxial/upper surface of a tepal. epidermis adaxail del tépalo (Spanish) anatomy
PO:0025194 root nodule meristem A root meristem that gives rise to a root nodule. meristema del nódulo de la raíz (Spanish) anatomy
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) anatomy
PO:0025198 shoot axis stele A stele that is part of a shoot axis. estela del eje del epiblasto (epiblastema) (Spanish) anatomy
PO:0025199 branch stele A shoot axis stele that is part of a branch. estela de la ramificación (Spanish) anatomy
PO:0025200 stem stele A shoot axis stele that is part of a stem. estela del tallo (Spanish) anatomy
PO:0025201 megasporangium A sporangium in which megaspores are produced. megasporangio (Spanish) anatomy
PO:0025202 microsporangium A sporangium in which microspores are produced. microsporangio (Spanish) anatomy
PO:0025203 pericarp vascular bundle A vascular bundle that is part of a pericarp. haz vascular del pericarpo (Spanish) anatomy
PO:0025204 rhizome internode A shoot axis internode that is part of a rhizome. internodo del rizoma (Spanish) anatomy
PO:0025205 shoot system vascular system A vascular system that is part of a shoot system. sistema vascular del sistema del epiblasto (epiblastema) (Spanish) anatomy
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. sistema vascular del filoma (Spanish) anatomy
PO:0025207 tepal vascular system A phyllome vascular system that includes the totality of the portions of vascular tissue in their specific arrangement in a tepal. sistema vascular del tépalo (Spanish) anatomy
PO:0025208 carpel trichome A phyllome trichome that is part of a bract epidermis. tricoma del carpelo (Spanish) anatomy
PO:0025209 stamen trichome A phyllome trichome that is part of a stamen epidermis. tricoma vascular del estambre (Spanish) anatomy
PO:0025210 leaf abaxial trichome A leaf trichome that is part of a leaf abaxial epidermis. tricoma de la superficie abaxial de la hoja (Spanish) anatomy
PO:0025211 leaf adaxial trichome A leaf trichome that is part of a leaf adaxial epidermis. tricoma de la superficie adaxial de la hoja (Spanish) anatomy
PO:0025212 leaf pavement cell An epidermal pavement cell that is part of a leaf epidermis. célula de pavimento de la hoja (Spanish) anatomy
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) anatomy
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) anatomy
PO:0025215 phyllome stomatal complex A stomatal complex that is part of a phyllome. complejo estomático del filoma (Spanish); phyllome epidermal stomatal complex; phyllome epidermis stomatal complex anatomy
PO:0025216 bract stomatal complex A phyllome stomatal complex that is part of a bract. bract epidermal stomatal complex; bract epidermis stomatal complex; complejo estomático de la bráctea (Spanish) anatomy
PO:0025222 reproductive shoot apex A shoot apex that has as part a reproductive shoot apical meristem. ápice reproductivo del epiblasto (epiblastema) (Spanish) anatomy
PO:0025223 vegetative shoot apex A shoot apex that has as part a vegetative shoot apical meristem. ápice vegetativo del epiblasto (epiblastema) (Spanish) anatomy
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) anatomy
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) anatomy
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) anatomy
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) anatomy
PO:0025228 valve A cardinal organ part that is a part of a plant structure that splits apart when the structure dehisces. valva (Spanish) anatomy
PO:0025229 spore capsule valve A valve that is a part of a spore capsule that splits apart when the spore capsule dehisces. valva de la cápsula de musgo (Spanish) anatomy
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); portion of columella tissue anatomy
PO:0025231 spore capsule columella A columella that forms the central axis of a spore capsule. columela de la cápsula de musgo (Spanish) anatomy
PO:0025233 portion of embryo plant tissue A portion of plant tissue that is part of a plant embryo. portion of embryonic plant tissue; tejido embriónico vegetal (Spanish) anatomy
PO:0025234 phyllome stomatal pore A stomatal pore that is part of a phyllome stomatal complex. poro estomático del filoma (Spanish) anatomy
PO:0025235 leaf stomatal pore A phyllome stomatal pore that is part of a leaf stomatal complex. poro estomático de la hoja (Spanish) anatomy
PO:0025236 phyllome guard cell A guard cell that is part of a phyllome stomatal complex. célula guardiana del filoma (Spanish) anatomy
PO:0025237 leaf guard cell A phyllome guard cell that is part of a leaf stomatal complex. célula guardiana de la hoja (Spanish) anatomy
PO:0025238 abaxial petiole canal A petiole canal on the abaxial surface of a petiole. canal abaxial del pecíolo (Spanish) anatomy
PO:0025239 adaxial petiole canal A petiole canal on the adaxial surface of a petiole. canal adaxial del pecíolo (Spanish) anatomy
PO:0025240 second order inflorescence A reproductive shoot system that is part of an inflorescence and has as parts a second order inflorescence branch and any shoot axes and flowers that arise from that branch. inflorescencia de segundo orden (Spanish); secondary inflorescence anatomy
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. hand of bananas; hand of fruit; infructescencia de segundo orden (Spanish); secondary infructescence anatomy
PO:0025242 infructescence axis A shoot axis that is part of an infructescence. eje de la infructescencia (Spanish) anatomy
PO:0025243 infructescence branch An infructescence axis that is a branch from a primary or higher order infructescence axis. ramificación de la infructescencia (Spanish) anatomy
PO:0025244 first order infructescence axis An infructescence axis that is the primary or main axis of an infructescence. eje de la infructescencia de primer orden (Spanish); infructescence rachis anatomy
PO:0025245 persistent sepal A phyllome that develops from a sepal and remains attached to a fruit at maturity. flower relict; sépalo persistente (Spanish) anatomy
PO:0025246 persistent tepal A phyllome that develops from a tepal and remains attached to a fruit at maturity. flower relict; tépalo persistente (Spanish) anatomy
PO:0025247 persistent stamen A phyllome that develops from a stamen and remains attached to a fruit at maturity. estambre persistente (Spanish); flower relict anatomy
PO:0025248 pseudostem A collective organ part structure that forms a cylindrical false stem composed concentric leaf sheaths. pseudotallo (Spanish) anatomy
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) anatomy
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); pseudostem underlayers anatomy
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) anatomy
PO:0025252 seventh order infructescence axis An infructescence branch arising from a sixth order infructescence axis. eje de la infructescencia de séptimo orden (Spanish) anatomy
PO:0025253 eighth order infructescence axis An infructescence branch arising from a seventh order infructescence axis. eje de la infructescencia de octavo orden (Spanish) anatomy
PO:0025254 ninth order infructescence axis An infructescence branch arising from an eight order infructescence axis. eje de la infructescencia de noveno orden (Spanish) anatomy
PO:0025255 tenth or higher order infructescence axis An infructescence branch arising from a ninth or higher order infructescence axis. eje de la infructescencia dedécimo o mayor orden (Spanish) anatomy
PO:0025258 procambial cell A meristematic cell that is part of a portion of procambium. célula del procambio (Spanish); procambium cell anatomy
PO:0025259 leaf procambium A portion of shoot procambium tissue that is part of a leaf. procambio de la hoja (Spanish) anatomy
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. anatomy
PO:0025261 pericycle cell A ground tissue cell that is part of a portion of pericycle. célula del periciclo (Spanish) anatomy
PO:0025263 locule A plant anatomical space that is a cavity a reproductive structure. lóculo (Spanish); loculus anatomy
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. lóculo del esporangio (Spanish); pollen sac locule; sporophyll locule anatomy
PO:0025265 sporangium locule A locule that is a cavity in a sporangium or several fused sporangia. lóculo de la antera (Spanish); spore capsule locule anatomy
PO:0025266 ovary locule A locule that is a cavity in an ovary. lóculo del ovario (Spanish); sporophyll locule anatomy
PO:0025269 collective organ part structure A plant structure composed of two or more cardinal organ parts from adjacent organs and any associated portions of plant tissue. órgano colectivo de una parte de la estructura (Spanish) anatomy
PO:0025270 fruit locule A locule that is a cavity in a fruit and develops from an ovary locule. lóculo del fruto (Spanish) anatomy
PO:0025273 stem procambium A portion of shoot axis procambium gives rise to the primary vascular tissue of a stem. procambio del tallo (Spanish) anatomy
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) anatomy
PO:0025278 rhizome scale leaf A scale leaf that grows from a rhizome. hoja escamosa del rizoma (Spanish) anatomy
PO:0025285 callus parenchyma cell A parenchyma cell that is part of a plant callus. célula parenquimática del callo (Spanish) anatomy
PO:0025286 embryo coleoptile A coleoptile that is part of a plant embryo. coleóptile del embrión (Spanish); embryonic coleoptile anatomy
PO:0025287 seedling coleoptile A coleoptile that develops from an embryonic coleoptile. coleóptile de la plántula (Spanish) anatomy
PO:0025288 embryo coleorhiza A coleorhiza that is part of a plant embryo. coleorriza del embrión (Spanish); embryonic coleorhiza anatomy
PO:0025289 seedling coleorhiza A coleorhiza that develops from an embryonic coleorhiza. coleorriza de la plántula (Spanish) anatomy
PO:0025290 embryo hypocotyl A hypocotyl that is part of a plant embryo. embryonic hypocotyl; hipocótile del embrión (Spanish) anatomy
PO:0025291 seedling hypocotyl A hypocotyl that develops from an embryonic hypocotyl. hipocótile de la plántula (Spanish) anatomy
PO:0025292 embryo epicotyl An epicotyl that is part of a plant embryo. embryonic epicotyl; epicótile del embrión (Spanish) anatomy
PO:0025293 seedling epicotyl A epicotyl that develops from an embryonic epicotyl. epicótile de la plántula (Spanish) anatomy
PO:0025294 embryo mesocotyl A mesocotyl that is part of a plant embryo. embryonic mesocotyl; mesocótile del embrión (Spanish) anatomy
PO:0025295 seedling mesocotyl A mesocotyl that develops from an embryonic mesocotyl. mesocótile de la plantual (Spanish) anatomy
PO:0025296 embryo radicle A radicle that is part of a plant embryo. embryonic radicle; radícula del embrión (Spanish) anatomy
PO:0025297 seedling radicle A radicle that develops from an embryonic radicle. radícula de la plántula (Spanish) anatomy
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. opérculo del fruto (Spanish) anatomy
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); floral calyptra; floral operculum; flower calyptra; flower operculum anatomy
PO:0025329 calyptra calyx A calyx that is composed of fused sepals. caliptra cáliz (Spanish); calycine operculum; operculum calyx; outer operculum anatomy
PO:0025330 calyptra corolla A corolla that is composed of fused petals. caliptra corola (Spanish); corolline operculum; inner operculum; operculum corolla anatomy
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 anatomy
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) anatomy
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) anatomy
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 anatomy
PO:0025304 cultured zygote-derived plant embryo A zygotic plant embryo that is grown or maintained in vitro. cultured zygotic embryo; embrión cultivado derivado del cigoto vegetal (Spanish) anatomy
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 haploid embryo anatomy
PO:0025306 sporangium wall A cardinal organ part that is composed of the outer layers of a sporangium and bounds the archesporium or spores. pared del esporangio (Spanish); sporangium jacket layer; sporangium jacket layers anatomy
PO:0025307 microsporangium wall A sporangium wall that is part of a microsporangium. pared del microsporangio (Spanish) anatomy
PO:0025308 megasporangium wall A sporangium wall that is part of a megasporangium. pared del megasporangio (Spanish) anatomy
PO:0025309 microsporangium endothecium An endothecium that is part of a microsporangium wall. endotecio del microsporangio (Spanish) anatomy
PO:0025310 megasporangium endothecium An endothecium that is part of a megasporangium wall. endotecio del megasporangio (Spanish) anatomy
PO:0025311 microsporangium exothecium An exothecium that is part of a microsporangium wall. exotecio del microsporangio (Spanish); microsporangial exothecium; microsporangium epidermis anatomy
PO:0025312 megasporangium exothecium An exothecium that is part of a megasporangium wall. exotecio del megasporangio (Spanish); megapsorangial exothecium; megasporangium epidermis anatomy
PO:0025313 tapetum A portion of ground tissue that is the inner-most layer of a sporangium wall. tapeto (Spanish) anatomy
PO:0025314 microsporangium tapetum An tapetum that is part of a microsporangium wall. tapeto del microsporangio (Spanish) anatomy
PO:0025315 megasporangium tapetum An tapetum that is part of a megasporangium wall. tapeto del megasporangio (Spanish) anatomy
PO:0025316 axillary hair A multicellular trichome that has as parts a long terminal cell atop a basal stalk and grows in a leaf axil. pelo axilar (Spanish) anatomy
PO:0025317 axillary hair terminal cell A trichome cell that is the long terminal cell of an axillary hair. célula terminal del pelo axilar (Spanish) anatomy
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) anatomy
PO:0025319 axillary hair basal cell A trichome cell that is part of an axillary hair base. axillary hair base cell; célula basal del pelo axilar (Spanish) anatomy
PO:0025320 cotyledonary node rhizoid An epidermal rhizoid that grows form a cotyledonary node. collar rhizoid; rizoide del nodo del cotiledón (Spanish); wurtzelhalsrhizoid anatomy
PO:0025321 cotyledonary node A stem node from which one or more cotyledons grow. nodo del cotiledón (Spanish) anatomy
PO:0025322 hydathode pore A plant anatomical space that is an opening in a hydathode. poro del hidatodo (Spanish) anatomy
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. fascículo floral (Spanish); floral fascicle anatomy
PO:0025324 banner petal A petal that is the top-most petal of a papilionaceous corolla. pétalo estandarte (Spanish); standard; vexillum anatomy
PO:0025325 wing petal One of two lateral petals that is adjacent to the banner petal of a papilionaceous corolla . pétalo ala (Spanish) anatomy
PO:0025326 keel petal A petal that is one of the two lowest petals of a papilionaceous corolla. pétalo quilla (Spanish) anatomy
PO:0025327 keel A boat-shaped collective phyllome structure that consists of the two lowest petals of a papilionaceous corolla. quilla (Spanish) anatomy
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; unifacial leaf anatomy
PO:0025331 ray flower A small flower on the margin of a head-type inflorescence (capitulum). flor del rayo (Spanish); ray floret anatomy
PO:0025332 disk flower A small flower in the center of a head-type inflorescence (capitulum). disk floret; flor del disco (Spanish) anatomy
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. ensiform leaf; hoja ensiforme anatomy
PO:0025334 terete vascular leaf A unifacial leaf that is round in cross section throughout all of part of the length of the leaf. hoja cilC-ndrica; terete leaf anatomy
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; filodio; phyllode anatomy
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. filodio transicional; transition phyllode anatomy
PO:0028001 plant life cycle phase OBSOLETE. A plant growth and development phase that begins with either meiosis or fertilization. temporal
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. célula del cloronema (Spanish) anatomy
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. célula del caulonema (Spanish) anatomy
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 dicotomously branching. portion of protonema tissue; protonema (Spanish); protonemata anatomy
PO:0030004 chloronema A portion of protonema tissue that consists of only chloronema cells. chloronemata; cloronema (Spanish); portion of chloronema tissue anatomy
PO:0030005 caulonema A portion of protonema tissue that consists of only caulonema cells. caulonema (Spanish); caulonemata; portion of caulonema tissue anatomy
PO:0030006 protonema phase A whole plant growth stage that is a sub-phase of a gametophytic phase in which protonema tissue is produced. fase protonemica (Spanish); protonemal phase temporal
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) anatomy
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 anatomy
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 anatomy
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 anatomy
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 anatomy
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 anatomy
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); non-vascular leaf apical cell; non-vascular leaf apical initial; phyllid apical cell; phyllid apical initial anatomy
PO:0030014 gametophyte meristematic apical cell An apical cell that is part of a whole plant in the gametophytic phase. célula apical gametofítica (Spanish); gametophyte apical cell; gametophyte apical initial; gametophytic meristematic apical cell anatomy
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); sporophyte apical cell; sporophyte apical initial; sporophytic meristematic apical cell anatomy
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 anatomy
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); sporangium mouth anatomy
PO:0030018 gametophore A shoot system that consists of the shoot axes and non-vascular leaves of a plant in the gametophytic phase. gametóforo (Spanish) anatomy
PO:0030019 gametophore meristematic apical cell A shoot meristematic apical cell that is part of a gametophore. célula apical del gametóforo (Spanish); gametophore apical cell; gametophore apical initial anatomy
PO:0030020 gametophore axis A shoot axis that is part of a gametophore. caulid; cauloid; eje del gametóforo (Spanish); non-vascular shoot axis anatomy
PO:0030021 gametophore branch A branch that is part of a gametophore. caulid branch; cauloid branch; non-vascular branch; rama del gametóforo (Spanish) anatomy
PO:0030022 gametophore stem A stem that is part of a gametophore. caulid stem; cauloid stem; non-vascular stem; tallo del gametóforo (Spanish) anatomy
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; gametophore axis apical cell; gametophore axis apical initial; non-vascular shoot axis apical cell anatomy
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); fern shoot axis apical cell; vascular shoot axis apical cell; vascular shoot axis apical initial anatomy
PO:0030025 thallus meristematic apical cell A gametophyte apical cell that is part of a thallus. célula apical del talo (Spanish); thallus apical cell; thallus apical initial anatomy
PO:0030026 gametophore bud A vegetative bud that develops into a gametophore. brown bud; yema del gametóforo (Spanish) anatomy
PO:0030027 thallus A whole plant in the gametophytic phase that has a flat growth form and no distinct organs. prothallium; talo (Spanish); thalli anatomy
PO:0030028 perigonial bract A bract that subtends an antheridium. bráctea del perigonio (Spanish); perigonium bract anatomy
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) anatomy
PO:0030030 perichaetal bract A bract that subtends an archegonium. bráctea pericaetal (Spanish); perichaetum bract anatomy
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. gametophytic perianth; perianto del grametofito (Spanish) anatomy
PO:0030032 seta A plant axis that holds up a spore capsule. seta (Spanish); setae anatomy
PO:0030033 antheridiophore A plant axis that bears two or more antheridia on an antheridial head. anteridióforo (Spanish) anatomy
PO:0030034 archegoniophore A plant axis that bears two or more archegonia on an archegonial head. arquegonióforo (Spanish) anatomy
PO:0030035 antheridium stalk A stalk that is the basal part of an antheridium. antheridial stalk; pedC:nculo del anteridio (Spanish) anatomy
PO:0030036 archegonium stalk A stalk that the basal part of an archegonium. archegonial stalk; pedC:nculo del arquegonio (Spanish) anatomy
PO:0030037 spore capsule calyptra A cardinal organ part that develops from the wall of an archegonium and surrounds a sporangium. caliptra de la cápsula productora de esporas (Spanish) anatomy
PO:0030038 venter A cardinal organ part that is the enlarged basal part of an archegonium and has an archegonium egg cell located in it. vientre (Spanish) anatomy
PO:0030039 archegonium neck A cardinal organ part that is the elongated apical part of an archegonium. archegonial neck; cuello del arquegonio (Spanish) anatomy
PO:0030040 sporangium base A cardinal organ part that is the basal (distal) part of a sporangium. apophysis; base del esporangio (Spanish); hypophysis; sporangium neck anatomy
PO:0030041 sporangium theca A cardinal organ part that is the main body of a sporangium and has spores located in it. sporangium urn; teca del esporangio (Spanish) anatomy
PO:0030042 peristome A single or double circle of peristome teeth inside a sporangium mouth. peristoma (Spanish) anatomy
PO:0030043 peristome tooth A cardinal organ part that is a single lobe of a peristome. dientes del peristoma (Spanish) anatomy
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. opérculo de la cápsula productora de esporas (Spanish); sporangium lid; spore capsule lid anatomy
PO:0030045 stereid A ground tissue cell with thickened cell walls. estereida (Spanish); stereid cell anatomy
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 anatomy
PO:0030047 hydrome A portion of plant tissue that has as parts hydroid cells and cells of no other types. hidromo (Spanish); hydrom; leptoxylem anatomy
PO:0030048 leptome A portion of plant tissue that has as parts leptoid cells and cells of no other types. leptom; leptomo (Spanish); leptophloem anatomy
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 anatomy
PO:0030050 stereome A portion of ground tissue that has as parts stereid cells and no other cell types. estereomo (Spanish) anatomy
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) anatomy
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); sterile jacket cell anatomy
PO:0030053 antheridium jacket layer A portion of plant tissue that is a single layer of cells on the outside of an antheridium. antheridial jacket layer; antheridium wall; capa de la cubierta del anteridio (Spanish); sterile jacket layer anatomy
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 anatomy
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) anatomy
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); sporogenous cell anatomy
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) anatomy
PO:0030058 brachycyte A plant cell that develops from a cell in a protonema and has a thick cell wall. braquicito (Spanish); brood cell anatomy
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 anatomy
PO:0030060 gametophore axillary hair An axillary hair that grows in a leaf axil of a non-vascular leaf. club hair; pelo axilar del gametóforo (Spanish) anatomy
PO:0030061 tmema A portion of plant tissue that has as parts tmema cells. tmema (Spanish) anatomy
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) anatomy
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) anatomy
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); gametophore axillary hair base cell anatomy
PO:0030065 archegonium neck canal cell A plant cell that is one of the axial row of cells in an immature archegonium neck. archegonial neck canal cell; célula del canal del cuello del arquegonio (Spanish) anatomy
PO:0030066 archegonium neck canal A canal in the center of an archegonium neck. archegonial neck canal; canal del cuello del arquegonio (Spanish) anatomy
PO:0030067 protonema side branch initial An protonema sub-apical initial that gives rise to a branch of a protonema. protonema side branch initial cell; protonemal side branch initial cell; rama lateral inicial del protonema (Spanish) anatomy
PO:0030068 epidermal rhizoid initial An epidermal initial that gives rise to an epidermal rhizoid. epidermal rhizoid initial cell; rizoide inicial epidérmico (Spanish) anatomy
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 anatomy
PO:0030070 paraphysis A slender, usually uniseriate multicellular trichome that grows intermixed with the gametangia. paráfisis (Spanish); paraphyses anatomy
PO:0030071 epidermal rhizoid A rhizoid that develops from an epidermal rhizoid initial. rizoide epidérmico (Spanish) anatomy
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); non-vascular leaf midrib; non-vascular leaf midvein; non-vascular leaflet midrib; phyllid costa; phyllid midrib; phyllid midvein anatomy
PO:0030073 exothecium A portion of epidermis that is the outermost layer of a sporangium wall. epithecium; exotecio (Spanish); sporangium epidermis; sporangium wall exothecium anatomy
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); sporogenous tissue anatomy
PO:0030075 antheridium head A disk-shaped cardinal organ part that is the apical portion of an antheridiophore and bears antheridia. antheridial head; cabeza del anteridio (Spanish) anatomy
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) anatomy
PO:0030077 protonemal side branch rhizoid initial A protonema side branch initial that gives rise to a protonemal rhizoid. protonema side branch rhizoid initial cell; protonemal side branch rhizoid initial cell; rama lateral inicial del rizoide protonémico (Spanish) anatomy
PO:0030078 rhizoid A plant structure that is a uniseriate filament with positive geotropism that grows from an epidermis or protonema. rizoide (Spanish) anatomy
PO:0030079 protonemal rhizoid A rhizoid that is part of a protonema and develops from a protonemal side branch rhizoid initial. rizoide protonémico (Spanish) anatomy
PO:0030080 rhizoid meristematic apical cell A gametophyte meristematic apical cell that is part of a rhizoid. rhizoid apical cell; rhizoid apical initial anatomy
PO:0030081 caulonema meristematic apical cell A protonema meristematic apical cell that is part of a caulonema. caulonema apical cell; caulonema apical initial anatomy
PO:0030082 chloronema meristematic apical cell A protonema meristematic apical cell that is part of a chloronema. chloronema apical cell; chloronema apical initial anatomy
PO:0030083 gametophore bud initial A protonema sub-apical initial hat gives rise to a gametophore bud. gametophore bud initial cell anatomy
PO:0030084 amphithecium A portion of plant tissue that is the outer layer or layers of a sporangium early in sporangium development. anatomy
PO:0030085 protosporangium endothecium A portion of ground tissue that is the tissue internal to an amphithecium early in sporangium development. endothecium of protosporangium anatomy
PO:0030086 protonema sub-apical initial An initial cell that is produced by longitudinal division of a sub-apical cell of a protonema. protonema sub-apical initial cell; protonemal sub-apical initial cell anatomy
PO:0030087 non-vascular leaf initial An initial cell that is part of a gametophore and gives rise to a non-vascular leaf. non-vascular leaf initial cell anatomy