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.	embri&#243foro (Spanish)
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
PO:0000003	whole plant	A plant structure which is a whole organism.	gametophyte; planta entera (Spanish); prothallium; seedling; sporophyte
PO:0000004	in vitro plant structure	A plant structure that is grown or maintained in vitro.	estructura vegetal in vito (Spanish)
PO:0000005	cultured plant cell	A plant cell that is grown or maintained in vitro.	c&#233lula cultivada (Spanish); cell suspension
PO:0000006	plant protoplast	A cultured plant cell from which the entire plant cell wall has been removed.	protoplasto cultivado (Spanish)
PO:0000007	leaf-derived cultured plant cell	A cultured plant cell that was derived from leaf tissue.	c&#233lula cultivada de hoja (Spanish)
PO:0000008	root-derived cultured plant cell	A cultured plant cell that was derived from root tissue.	c&#233lula cultivada de ra&#237z (Spanish)
PO:0000009	cultured plant callus	A plant callus grown or maintained in vitro.	callo cultivado (Spanish)
PO:0000010	cultured plant embryo	A plant embryo that is grown or maintained in vitro.	embri&#243n cultivado (Spanish)
PO:0000011	cultured somatic plant embryo	A somatic plant embryo grown and maintained in vitro.	embri&#243n som&#225tico cultivado (Spanish)
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
PO:0000013	cauline leaf	Leaf or pairs/whorls of leaves borne on the stem.	hoja caulinar (Spanish)
PO:0000014	rosette leaf	One of multiple leaves borne in a rosette - a group of leaves, generally borne at the base of the plant, that are separated by very short internodes.	hoja en roseta (Spanish)
PO:0000015	cotyledon primordium	A phyllome primordium that will develop into a cotyledon.	primordio de cotiled&#243n (Spanish)
PO:0000016	lateral root primordium	A root primordium that is derived from a root pericycle and will develop into a lateral root.	primordio de ra&#237z lateral (Spanish)
PO:0000017	leaf primordium	A phyllome primordium that will develop into a leaf.	primordio de hoja (Spanish)
PO:0000018	ovule primordium	A primordium that will develop into an ovule.	primordio de &#243vulo (Spanish)
PO:0000019	gynoecium primordium	A primordium that will develop into a gynoecium.	primordio de gineceo (Spanish)
PO:0000020	starch sheath cell	OBSOLETE. Cells characterized by conspicuous and rather stable accumulation of starch.	c&#233lula con almid&#243n de la vaina (Spanish)
PO:0000021	petal primordium	A phyllome primordium that will develop into a petal.	primordio de p&#233talo (Spanish)
PO:0000022	cuticle	A layer of fatty material, cutin, rather impervious to water, located on the outer walls of epidermal cells.	cut&#237cula (Spanish)
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)
PO:0000024	filiform apparatus	OBSOLETE. A complex of cell wall invaginations in a synergid cell similar to those in transfer cells.	aparato filiforme (Spanish)
PO:0000025	root tip	The portion of the root including the meristem and root cap.	punta de la ra&#237z (Spanish)
PO:0000026	primary root tip	The portion of the primary root including the meristem and root cap.	punta de la ra&#237z primaria (Spanish)
PO:0000027	lateral root tip	The portion of the lateral root including the meristem and root cap.	punta de la ra&#237z lateral (Spanish)
PO:0000028	pollen tube tip	OBSOLETE. Tip portion of the pollen tube that is rapidly growing.	punta del tubo pol&#237nico (Spanish)
PO:0025195	pollen tube cell	A plant cell that develops from a vegetative cell and forms a tubular extension of the pollen grain.	c&#233lula del tubo pol&#237nico (Spanish)
PO:0000029	root hair tip	OBSOLETE. Tip portion of an outgrowth of a root epidermal cell.	punta del pelo de la ra&#237z (Spanish)
PO:0000256	root hair cell	A root epidermal cell with a simple extension that is concerned with absorption of soil solution.	c&#233lula del pelo de la ra&#237z (Spanish)
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)
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)
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.	t&#233trada de las microsporas (Spanish)
PO:0000033	fruit valve	A valve that is a part of a fruit that splits apart when the fruit dehisces.	valva de fruto (Spanish)
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)
PO:0000035	cotyledon vascular system	A vascular system that is part of a cotyledon.	sistema vascular del cotiled&#243n (Spanish)
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)
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.	&#225pice del epiblasto (epiblastema) (Spanish)
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.	c&#233lula primaria del endosperma (Spanish)
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
PO:0000040	adventitious root nodule	Enlargement or swelling at position of dormant adventitious root primordium (on the stem), inhabited by nitrogen-fixing bacteria.	n&#243dulo de la ra&#237z adventicia (Spanish); stem primordium
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.	c&#233lula de corcho epid&#233rmica (Spanish)
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 ra&#237z (Spanish); stilt root
PO:0000043	crown root	Adventitious root formed at the base of the growing stem (known as a crown).	ra&#237z en corona (Spanish)
PO:0000044	prop root	Adventitious root formed at stem nodes above the ground and growing directly into the soil.	brace root; ra&#237z de sost&#233n (Spanish)
PO:0000045	embryo root	A root that is initiated in a developing embryo.	embryonic root; ra&#237z embri&#243nica (Spanish)
PO:0000046	seminal root	A root formed within the scutellar node of the embryo in some monocotyledonous plants.	lateral seminal root; ra&#237z seminal (Spanish); scutellar nodal root; secondary root
PO:0000047	leaf lamina epidermis	A portion of leaf epidermis that is part of a leaf lamina.	epidermis de la l&#225mina de la hoja (Spanish)
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 l&#225mina de la hoja (Spanish)
PO:0000049	leaf lamina abaxial epidermis	A portion of leaf lamina epidermis that covers the abaxial/lower surface of a leaf lamina.	epidermis abaxial de la l&#225mina de la hoja (Spanish)
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 l&#225mina de la hoja (Spanish)
PO:0000051	petiole epidermis	A portion of leaf epidermis that is part of a petiole.	epidermis del pec&#237olo (Spanish)
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 pec&#237olo (Spanish)
PO:0000053	petiole cortex	A portion of ground tissue that is part of a cortex and part of the petiole.	cortex (corteza) del pec&#237olo (Spanish); portion of petiole corex tissue
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 p&#233talo (Spanish)
PO:0000055	bud	An undeveloped shoot system.	yema (Spanish)
PO:0000056	flower bud	A bud that develops into a flower.	floral bud; yema floral (Spanish)
PO:0000057	inflorescence bud	A bud that develops into an inflorescence.	male bud; yema de inflorescencia (Spanish)
PO:0000058	vegetative bud	A bud that develops into a shoot system that has as organ parts only vegetative organs.	yema vegetativa (Spanish)
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.	c&#233lula inicial de la ra&#237z (Spanish); root stem cell
PO:0000060	root cortex-endodermis initial cell	A root initial cell that produces root cortex and endodermis. In direct contact with quiescent center.	c&#233lula inicial del cortex/endodermis de la ra&#237z (Spanish); root cortex-endodermis stem cell
PO:0000061	lateral root-cap-epidermal initial cell	A root initial cell that produces lateral root-cap cells and root epidermis.	c&#233lula inicial del caliptra de la ra&#237z lateral (Spanish); lateral root-cap-epidermal stem cell
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 estom&#225tica (meristemoide inicial) (Spanish); stomatal initial cell; stomatal meristemoid
PO:0000063	leaf procambial cell	A procambial cell that is part of a leaf procambium.	c&#233lula procambial de la hoja (Spanish); dispersed meristematic cell; DMC; leaf procambium cell
PO:0000064	xylem pole pericycle cell	A pericycle cell that is adjacent to the protoxylem of a vascular bundle.	c&#233lula del polo xilem&#225tico del periciclo (Spanish)
PO:0000065	phloem pole pericycle cell	A pericycle cell that is adjacent to the protophloem of a vascular bundle.	c&#233lula del polo floem&#225tico del periciclo (Spanish)
PO:0000066	epithem cell	A parenchyma cell of the mesophyll of a hydathode found between the xylem endings and the epidermis.	c&#233lular ??? (Spanish)
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.	c&#233lula acompa&#241iante (Spanish)
PO:0000074	parenchyma cell	A relatively unspecialized ground tissue cell with a nucleate protoplast.	c&#233lula parenquim&#225tica (Spanish)
PO:0000075	collenchyma cell	An elongated plant cell with unevenly thickened non-lignified primary walls that is alive at maturity.	c&#233lula colenquim&#225tica (Spanish)
PO:0000076	chlorenchyma cell	A parenchyma cell containing chloroplasts; a component of leaf mesophyll and other green parenchyma tissue.	c&#233lula clorenquim&#225tica (Spanish)
PO:0000077	sclerenchyma cell	Usually dead cell variable in form and size, with more or less thick, often lignified, secondary walls.	c&#233lula esclerenquim&#225tica (Spanish)
PO:0000078	transfer cell	A cell with wall ingrowths (or invaginations) that increase the surface of the plasmalemma.	c&#233lula de transferencia (Spanish)
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.	c&#233lula inicial fusiforme (Spanish); fusiform initial cell; xylem initial; xylem mother cell
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.	c&#233lula axial (Spanish)
PO:0000082	ray initial	A cambial initial cell that gives rise to ray cells of the secondary xylem and secondary phloem.	c&#233lula inicial de rayo (Spanish); ray initial cell
PO:0000084	plant sperm cell	A gamete produced by an antheridium or a microgametophyte.	c&#233lula esperm&#225tica o esperma (Spanish); male gamete; microgamete; sperm nucleus
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
PO:0000115	socket cell	A shoot epidermal cell that surrounds a trichome and provides its support.	c&#233lula de encaje (Spanish); cell located at the base of the trichome; trichome support cell
PO:0000146	abscission zone	A portion of plant tissue that is part of a plant structure that has as parts a separation layer and a protective layer and is involved in the abscission of the structure.	abscission layer; zona de absici&#243n (Spanish)
PO:0000191	synergid	Cell, usually two in number, in the micropylar end of the embryo sac of angiosperms associated with the egg in the egg apparatus.	sin&#233rgida (Spanish)
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
PO:0000199	cellular endosperm	Endosperm in which the first karyokinesis event is accompanied by cytokinesis.	endosperma c&#233lular (Spanish)
PO:0000200	micropylar endosperm	A portion of plant tissue that is the region of the endosperm closest to the micropyle of the seed.	endosperma micr&#243pilar (Spanish); micropylar region; portion of micropylar endosperm
PO:0000201	chalazal cyst	A portion of plant tissue that is the part of the endosperm nearest the chalazal region of the ovule and forming a cyst-like structure.	chalazal endosperm cyst; ciste calazal (Spanish); portion of chalazal cyst
PO:0000207	nectary epidermis	A portion of shoot epidermis that is part of a nectary.	epidermis del nectario (Spanish)
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
PO:0000224	central zone	An area of densely packed cells in the shoot apex that divide infrequently.	central initiation zone; zona central (Spanish)
PO:0000225	peripheral zone	Organogenic region of the meristem, characterized by higher rates of cell division.	peripheral meristem; zona perif&#233rica (Spanish)
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)
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
PO:0000230	inflorescence meristem	A meristem that gives rise to an inflorescence.	meristema de la inflorescencia (Spanish)
PO:0000232	axillary bud meristem	A shoot meristem formed in the axil of the leaf.	axillary meristem; meristema de yema axilar (Spanish)
PO:0000244	functional megaspore	A megaspore(s) that forms an embryo sac.	megaspora funcional (Spanish); Poaceae functional megaspore
PO:0000245	degenerate megaspore	In monosporic and bisporic megasporogenesis: the megaspore(s) that would not participate in megagametogenesis.	megaspora degenerativa (Spanish); Poaceae degenerate megaspore
PO:0000252	endodermis	A portion of ground tissue that is the inner most layer of a cortex and has a casparian strip in its anticlinal cell walls.	endodermis (Spanish); endodermoid; portion of endodermal tissue; portion of epidermis tissue
PO:0000258	root cortex	A portion of ground tissue that is part of a cortex and part of a root.	cortex de la ra&#237z (Spanish); portion of root cortex tissue
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)
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
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)
PO:0000273	xylem element	A cell making up xylem tissue.	elemento del xilema (Spanish)
PO:0000274	xylem fiber	A fiber in xylem.	fibra del xilema (Spanish)
PO:0000282	trichome	A unicellular or multicellular plant structure that forms a non-sclerified outgrowth from the epidermis.	non-secretory trichome; tricoma (Spanish)
PO:0000283	idioblast	A plant cell that markedly differs in form, size, or contents from other cells in the same tissue.	idioblasto (Spanish)
PO:0000284	subsidiary cell	An epidermal cell associated with a stoma and at least morphologically distinguishable from the other epidermal cells.	accessory cell; c&#233lula subsididaria (Spanish)
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
PO:0000290	tracheary element	General term for any water conducting cell, tracheid or vessel member.	elemento de traqueida (Spanish)
PO:0000293	guard cell	One of a pair of cells flanking the stomatal pore.	c&#233lula guardiana (Spanish)
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.	c&#233lula inicial del cambium (Spanish); cambial cell; cambial initial cell
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)
PO:0000309	nectary parenchyma	A portion of parenchyma tissue that is part of a nectary.	par&#233nquima nectarifero (Spanish)
PO:0000332	epidermal pavement cell	A shoot epidermal cell that is relatively unspecialized at maturity.	c&#233lula del pavimento epidermal (Spanish)
PO:0000349	epidermal initial	An initial cell that is part of an epidermis and gives rise to specialized cell types of the epidermis.	c&#233lula inicial de la epidermis (Spanish); epidermal initial cell
PO:0000351	guard mother cell	A shoot epidermal cell that divides to produce the guard cells.	c&#233lula madre de la c&#233lula guardiana (Spanish)
PO:0000352	myrosin cell	A cell containing glucosinolates ("mustard oil glucosides") and myrosinases, enzymes hydrolyzing the glucosinolates.	c&#233lula de mirosina (Spanish)
PO:0000353	passage cell	A ground tissue cell that is part of an exodermis or an endodermis and remains thin walled when the associated cells develop thick secondary walls.	c&#233lula de pasaje (Spanish)
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)
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
PO:0000373	mucilage cell	OBSOLETE. Cell containing mucilages or gums or similar carbohydrate material characterized by the property of swelling in water.	c&#233lula mucilaginosa (Spanish)
PO:0000400	phloem mother cell	A cambial initial cell which is destined to differentiate into secondary phloem.	c&#233lula madre del floema (Spanish)
PO:0000423	zygote	Diploid cell produced by the fusion of sperm cell nucleus and egg cell.	cigoto (Spanish)
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
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 estom&#225tico (Spanish); stoma; stomata
PO:0002001	papillae	OBSOLETE. A soft protuberance on an epidermal cell of the stigma.	papila (Spanish)
PO:0025166	papilla cell	An epidermal pavement cell with a short protuberance.	c&#233lula papilosa (Spanish)
PO:0025167	leaf papilla cell	A papilla cell that is part of a leaf epidermis.	c&#233lula papilosa de la epidermis (Spanish)
PO:0025168	stigma papilla cell	A papilla cell that is part of a stigma epidermis.	c&#233lula papilosa del estigma (Spanish)
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.	c&#233lula basal (Spanish); embryonic basal cell
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
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)
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 transici&#243n (Spanish)
PO:0003003	obsolete primary root elongation zone	OBSOLETE. A zone of small, densely cytoplasmic cells that are dividing and expanding in size located behind the zone of cell division in the primary root.	zona de elongaci&#243n obsoleta de la ra&#237z primary (Spanish)
PO:0025257	primary root elongation zone	A root elongation zone that is part of a primary root tip.	zona de elongaci&#243n de la ra&#237z primaria (Spanish)
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.	ra&#237z haustorial (Spanish)
PO:0003005	nodal root	Adventitious root that forms at a shoot node.	ra&#237z nodosa (Spanish)
PO:0003011	root vascular system	A vascular system that includes the totality of the portions of vascular tissue in their specific arrangement in a root.	root vein; sistema vascular de la ra&#237z (Spanish)
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 elongaci&#243n obsoleta de la ra&#237z lateral (Spanish)
PO:0025256	lateral root elongation zone	A root elongation zone that is part of a lateral root tip.	zona de elongaci&#243n de la ra&#237z lateral (Spanish)
PO:0003015	primary root differentiation zone	A root differentiation zone that is part of a primary root.	zona de diferenciaci&#243n de la ra&#237z primary (Spanish)
PO:0003016	lateral root differentiation zone	A root differentiation zone that is part of a lateral root.	zona de diferenciaci&#243n de la ra&#237z lateral (Spanish)
PO:0003017	root cap of primary root	A root cap that is part of a primary root tip.	caliptra de la ra&#237z primary (Spanish)
PO:0003018	root cap of lateral root	A root cap that is part of a lateral root tip.	caliptra de la ra&#237z lateral (Spanish)
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 ra&#237z central de la ra&#237z lateral (Spanish)
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 ra&#237z lateral de la ra&#237z lateral (Spanish)
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 ra&#237z central de la ra&#237z primaria (Spanish)
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 ra&#237z lateral de la ra&#237z primaria (Spanish)
PO:0003023	root nodule	A cardinal organ part that is an outgrowth of a root and is inhabited by nitrogen-fixing bacteria.	n&#243dulo de la ra&#237z (Spanish)
PO:0003024	stolon	A branch that is slender, prostrate or trailing and above-ground and produces roots and sometimes erect shoots at its nodes.	estol&#243n (Spanish); runner
PO:0004000	obsolete apical cell	OBSOLETE. An embryonic plant cell that is the uppermost cell formed after the first division of the zygote.	c&#233lula apical (Spanish)
PO:0025284	embryo apical cell	A sporophyte meristematic apical cell that is part of a plant embryo and is the uppermost cell formed after the first division of a zygote.	c&#233lula apical del embri&#243n (Spanish); embryonic meristematic apical cell
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.	c&#233lula bulliforme (Spanish); motor cell
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.	c&#233lula de contacto (Spanish)
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
PO:0004004	epithelium cell	OBSOLETE. A compact layer of cells, often secretory in function, covering a free surface or lining a cavity.	c&#233lula del epitelio (Spanish)
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.	c&#233lula latic&#237fera (Spanish)
PO:0004006	mesophyll cell	A chlorenchyma cell that is part of a mesophyll.	c&#233lula del mes&#243filo (Spanish)
PO:0004007	phelloid cell	OBSOLETE. A cell within the phellem (cork) but distinct from the cork cell in having no suberin in its walls.	c&#233lula del feloide (Spanish)
PO:0004008	photosynthetic cell	OBSOLETE. A chloroplast-containing cell engaged in photosynthesis.	c&#233lula fotosintetizadora (Spanish)
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.	c&#233lula sil&#237cica (Spanish)
PO:0004010	meristematic cell	A plant cell synthesizing protoplasm and producing new cells by division and with only a primary cell wall.	c&#233lula meristem&#225tica (Spanish)
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.	c&#233lula inicial (Spanish); meristemoid; stem cell
PO:0004012	secretory cell	OBSOLETE. Cell that produces secreted substances.	c&#233lula secretora (Spanish)
PO:0004013	epidermal cell	A plant cell that is part of a portion of epidermis.	c&#233lula epid&#233rmica (Spanish)
PO:0004509	glandular trichome	A trichome that secretes or sequesters a portion of plant substance.	secretory trichome; tricoma gl&#225ndular (Spanish)
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)
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)
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)
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
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
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 tard&#237a (Spanish); summer wood
PO:0004517	growth ring boundary	Boundary between two growth rings.	l&#237mite del anillo de crecimiento (Spanish)
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
PO:0004519	phloem fiber	A fiber in phloem.	fibra del floema (Spanish)
PO:0004520	libriform fiber	A xylem fiber commonly with thick walls and simple pits.	fibra libriforme (Spanish)
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)
PO:0004522	outer vascular cambium	Cambium at the outer margin of the xylem cylinder.	cambium vascular externo (Spanish)
PO:0004523	included vascular cambium	Cambium occurring within xylem.	cambium vascular interno (Spanish)
PO:0004524	included phloem	A portion of phloem tissue produced by included vascular cambium.	floema incluido (Spanish); floema interno (Spanish)
PO:0004525	wood parenchyma cell	Parenchyma cell occurring within secondary xylem.	c&#233lula parenquim&#225tica de la madera (Spanish)
PO:0004526	axial wood parenchyma cell	Parenchyma cell in the axial system of secondary xylem.	c&#233lula parenquim&#225tica axial de la madera (Spanish)
PO:0004527	ray wood parenchyma cell	Parenchyma cell of a ray in secondary xylem.	c&#233lula parenquim&#225tica de rayo de la madera (Spanish)
PO:0004528	upright wood ray parenchyma cell	Ray cell in secondary xylem oriented axially (vertically in the axis) with its longest dimension.	rayo par&#233nquim&#225tico vertical de la madera (Spanish)
PO:0004529	procumbent wood ray parenchyma cell	Ray cell within secondary xylem having its longest axis in radial direction.	c&#233lula procumbente del rayo de la madera (Spanish)
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.	c&#233lula de baldoza B (Spanish)
PO:0004531	sheath cell	Cell on the margin of, and tending to form a sheath around, the procumbent cells of a multi-seriate ray as seen in tangential section.	c&#233lula de la vaina (Spanish)
PO:0004532	wood parenchyma	Parenchymatous tissue occurring in the wood.	par&#233nquima de la madera (Spanish)
PO:0004533	axial wood parenchyma	Parenchyma tissue in the axial system of secondary xylem.	par&#233nquima axial de la madera (Spanish)
PO:0004534	ray wood parenchyma	Radially oriented parenchyma tissue in secondary xylem.	par&#233nquima de rayo de la madera (Spanish)
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)
PO:0004536	fruit pedicel	An infructescence branch that supports an individual fruit.	pedicelo del fruto (Spanish)
PO:0004537	nucellar plant embryo	A somatic plant embryo derived directly from nucellus cells.	adventitious embryo; embri&#243n adventicio (Spanish)
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.	n&#243dulo indeterminable (Spanish)
PO:0004539	determinate nodule	A root nodule characterized by a dividing infected cells and bacteria, vascular transfer cells absent and cell division is in the outer cortex.	n&#243dulo determinado (Spanish)
PO:0004540	fruit columella	A columella that forms the central axis of a fruit.	columela del fruto (Spanish)
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)
PO:0004543	tuber	An enlarged storage branch.	tub&#233rculo (Spanish)
PO:0004544	root-borne shoot system	A shoot system that is initiated from a root.	sistema de epiblasto (epiblastema) que nace en la ra&#237z (Spanish); sucker; sucker shoot
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
PO:0004546	epicomic shoot	Shoot developing from a trunk.	tallo epic&#243rmico (Spanish)
PO:0004547	subterranean tuber	A tuber that is below ground.	tub&#233rculo subterr&#225neo (Spanish)
PO:0004548	aerial tuber	A tuber that is above ground.	tub&#233rculo a&#233reo (Spanish)
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)
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)
PO:0004702	long shoot	Shoot system in which all or most of the internodes elongate.	epiblasto (epiblastema) largo (Spanish)
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)
PO:0004704	sepal primordium	A phyllome primordium that will devlop into a sepal.	primordio de s&#233palo (Spanish)
PO:0004705	stamen primordium	A phyllome primordium that will develop into a stamen.	primordio de estambre (Spanish)
PO:0004706	flower primordium	A primordium that will develop into a flower.	primordio de flor (Spanish)
PO:0004707	fruit dehiscence zone	A dehiscence zone that is part of a fruit.	zona de dehiscencia del fruto (Spanish)
PO:0004708	scutellar node	A stem node that is the part of an embryo axis directly above the radicle where the scutellum is attached.	nodo escutelar (Spanish)
PO:0004709	axillary bud	A bud that develops from an axillary bud meristem.	yema axilar (Spanish)
PO:0004710	axillary flower bud	An axillary bud that develops into a flower.	axillary floral bud; yema de flor axilar (Spanish)
PO:0004711	axillary inflorescence bud	An axillary reproductive bud that develops into an inflorescence.	yema de inflorescencia axilar (Spanish)
PO:0004712	axillary vegetative bud	An axillary bud that develops into a long or short shoot.	yema vegetativa axilar (Spanish)
PO:0004713	terminal bud	A bud that develops from a shoot apical meristem.	yema terminal (Spanish)
PO:0004714	terminal flower bud	A terminal bud that develops into a flower.	terminal floral bud; yema floral terminal (Spanish)
PO:0004715	terminal inflorescence bud	A terminal reproductive bud develops into an inflorescence.	yema de inflorescencia terminal (Spanish)
PO:0004716	terminal vegetative bud	A terminal bud that develops into a long or short shoot.	yema vegetativa terminal (Spanish)
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.	c&#233lula larga (Spanish)
PO:0004718	short cell	An isodiametric leaf pavement cell.	c&#233lula corta (Spanish)
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)
PO:0004720	paraclade	An inflorescence branch that ends in an inflorescence that repeats the main inflorescence.	paraclado (Spanish)
PO:0004721	paraclade cortex	A portion of ground tissue that is part of a cortex and part of a paraclade.	cortex (corteza) del paraclado (Spanish); portion of paraclade cortex tissue
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
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 s&#233palo (Spanish)
PO:0004724	hypocotyl-root junction	A cardinal organ part that is the part of a plant axis where a radicle joins a hypocotyl.	embryo axis transition zone; Poaceae crown; union del hipoc&#243tile con la ra&#237z (Spanish)
PO:0004725	abaxial side of leaf primordium	A portion of phyllome primordium tissue that is the abaxial/outer side of a leaf primordium and develops into the abaxial/lower leaf blade.	lado abaxial del primordio de hoja (Spanish)
PO:0004726	adaxial side of leaf primordium	A portion of phyllome primordium tissue that is the adaxial/inner side of the leaf primordium develops into the adaxial/upper leaf blade.	lado adaxial del primordio de la hoja (Spanish)
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
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)
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
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)
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)
PO:0005006	articulated laticifer	A structure consisting of long multinucleate tubes in which latex is found, having cross walls (articulated).	latic&#237fero articulado (Spanish)
PO:0005007	non-articulated laticifer	A structure consisting of long multinucleate tubes in which latex is found, having no cross walls.	latic&#237fero no articulado (Spanish)
PO:0005008	obsolete fruit septum	OBSOLETE. A thin partition or membrane that divides a cavity or a mass of tissue in the fruit that is derived from the carpel septum.	septo de fruto (Spanish)
PO:0025267	fruit replum	A portion of fruit placenta tissue that divides a fruit into two or more chambers and develops from a replum.	replum del fruto (Spanish)
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)
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)
PO:0025262	ovary septum	A septum that divides a multilocular ovary.	carpel synonym; septo del ovario (Spanish)
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)
PO:0005010	anther septum	A septum that is present in an anther dehiscence zone.	septo de la antera (Spanish)
PO:0005011	anther dehiscence zone	A dehiscence zone that is part of an anther.	zona de dehiscencia de la antera (Spanish)
PO:0005012	pedicel vascular system	A shoot axis vascular system that includes the totality of the portions of vascular tissue in their specific arrangement in a pedicel.	sistema vascular del pedicelo (Spanish)
PO:0005013	hypocotyl epidermis	The outermost primary cell layer of the hypocotyl.	epidermis del hipoc&#243tile (Spanish)
PO:0005014	embryo cortex	A cortex that is part of an embryo.	cortex (corteza) del emrbion (Spanish)
PO:0005015	embryo endodermis	A portion of endodermis that is part of an embryo.	endodermis del embri&#243n (Spanish)
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)
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)
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)
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)
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)
PO:0005021	sepal margin	The margin of a sepal.	margen del s&#233palo (Spanish)
PO:0005022	ovary wall	A wall of an ovary that is composed of abaxial (outer) and adaxial (inner) epidermis and a middle layer, composed of mesophyll cells and a distinct subepidermal adaxial cell layer (as found in Arabidopsis).	pared del ovario (Spanish)
PO:0005023	abaxial epidermis of ovary	The epidermal cell layer of the abaxial/outer surface of the ovary.	epidermis abaxial del ovario (Spanish)
PO:0005024	adaxial epidermis of ovary	The epidermal cell layer of the adaxial/inner surface of the ovary.	epidermis adaxial del ovario (Spanish)
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 <i>Arabidopsis</i>).	capa media de la pared del ovario (Spanish); ovary wall middle layer
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.	c&#233lula gigante de la ra&#237z (Spanish)
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. <i>Heterodera schachtii</i>) entering the feeding cells (any cells) of the root vascular system.	c&#233lula ??? de la ra&#237z (Spanish)
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)
PO:0005029	root primordium	A primordium that will develop into a root.	primordio de ra&#237z (Spanish)
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)
PO:0005040	root pith	A portion of pith that is part of a root.	m&#233dula de la ra&#237z (Spanish)
PO:0005041	shoot axis pith	A portion of pith that is part of a shoot axis.	branch pith; m&#233dula del eje del epiblasto (epiblastema) (Spanish); stem pith
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
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
PO:0005047	root periderm	A portion of periderm that is part of a root.	peridermis de la ra&#237z (Spanish)
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
PO:0005050	phelloderm	A portion of ground tissue often resembling cortical parenchyma produced centripetally by the cork cambium.	felodermis (Spanish); portion of phelloderm tissue
PO:0005051	hypodermis	A portion of ground tissue that is the outermost layer of a portion of cortex.	hipodermis (Spanish); portion of hypodermal tissue
PO:0005052	plant callus	A portion of plant tissue that consists of mass of undifferentiated plant cells.	callo (Spanish); portion of callus tissue
PO:0005053	laticifer	A secretory structure that produces latex.	latic&#237fero (Spanish)
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
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
PO:0005059	root endodermis	A portion of endodermis that is part of a root cortex.	endodermis de la ra&#237z (Spanish)
PO:0005060	leaf endodermis	A portion of endodermis that is part of a vascular leaf.	endodermis de la hoja (Spanish)
PO:0005349	schizo-lysigenous aerenchyma	OBSOLETE. Aerenchyma, originating by a combination of two processes, separation and degradation of cell walls.	aer&#233nquima esquizo-lis&#237geno (Spanish)
PO:0005352	xylem	A portion of vascular tissue that has as parts xylem elements.	portion of xylem tissue; xilema (Spanish)
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
PO:0005415	endosperm parenchyma	A portion of seed storage parenchyma that is part of an endopserm.	par&#233nquima endosp&#233rmico (Spanish)
PO:0005417	phloem	A portion of vascular tissue that has as parts sieve tube members.	floema (Spanish); portion of phloem tissue
PO:0005421	parenchyma	A portion of ground tissue composed of polyhedral cells typically with thin, non-lignified cellulosic cell walls and nucleate, living protoplasts.	par&#233nquima (Spanish); portion of parenchyma tissue; portion of parenchymatous tissue
PO:0005423	collenchyma	Living tissue composed of more or less elongated cells with thick non-lignified primary cell walls.	col&#233nquima (Spanish); portion of collenchyma tissue; supporting tissue
PO:0005426	chlorenchyma	Chloroplast-containing parenchyma tissue.	clor&#233nquima (Spanish); portion of chlorenchyma tissue
PO:0005427	sclerenchyma	A supporting tissue composed of fibers or sclereids.	escler&#233nquima (Spanish); portion of sclerenchyma tissue; portion of sclerenchymatous tissue
PO:0005597	cambium	A lateral meristem, the cells of which divide mostly periclinally.	cambium (Spanish)
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)
PO:0005599	cork cambium	Lateral meristem which produces the phellem (cork) and the phelloderm.	cambium de corcho (Spanish); phellogen
PO:0005621	angular collenchyma	OBSOLETE. A form of collenchyma in which the primary wall thickening is most prominent in the angles where three or more cells are joined.	col&#233nquima angular (Spanish)
PO:0005632	lacunar collenchyma	OBSOLETE. A collenchyma characterized by intercellular spaces and cell wall thickenings facing the intercellular spaces.	col&#233nquima lacunar (Spanish)
PO:0005633	lamellar collenchyma	OBSOLETE. A collenchyma in which cell wall thickenings are deposited mainly on tangential walls.	col&#233nquima laminar (Spanish); plate collenchyma; tangential collenchyma
PO:0005645	leaf mesophyll	The chloroplast-containing, photosynthetic parenchymatous tissue situated between the two epidermal layers of the foliage leaf.	foliage leaf mesophyll; leaf parenchyma; mes&#243filo de la hoja (Spanish)
PO:0005647	spongy mesophyll	Leaf mesophyll parenchyma characterized by little elongated cells, that are not closely packed and have conspicuous intercellular spaces.	mes&#243filo esponjoso (Spanish); spongy parenchyma
PO:0005648	palisade mesophyll	Parenchyma containing closely packed elongated chlorenchymatous cells oriented perpendicular to the leaf surface and which are active in photosynthesis.	mes&#243filo en empalizada (Spanish); palisade parenchyma
PO:0005656	portion of secretory tissue	Tissues that form specialized structures producing a secretion.	gland; porci&#243n del tejido secretor (Spanish)
PO:0005660	hydathode	A cardinal organ part that releases water through a hydathode pore.	hidatodo (Spanish)
PO:0005661	salt gland	A specialized tissue where excess salt absorbed in water from the soil is concentrated, being stores or excreted.	gl&#225ndula de sal (Spanish)
PO:0005665	resin canal	A duct of schizogenous origin lined with resin-secreting cells and containing resin.	canal de resina (Spanish); resin duct
PO:0005669	oil gland	A gland or a cavity lined with cells that secrete oils.	gl&#225ndula aceitosa (Spanish); oil cavity
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
PO:0005702	aerenchyma	A portion of parenchyma tissue containing particularly large intercellular spaces of schizogenous or lysigenous origin.	aer&#233nquima (Spanish); portion of aerenchyma tissue
PO:0005704	rhexigenous aerenchyma	OBSOLETE. Aerenchyma originating by rupture of cells.	aer&#233nquima XXXX (Spanish)
PO:0005706	lysigenous aerenchyma	OBSOLETE. Aerenchyma originating by dissolution of cells.	aer&#233nquima lis&#237geno (Spanish)
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
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)
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
PO:0005848	secondary xylem	A portion of xylem tissue that develops from a vascular cambium.	portion of secondary xylem tissue; wood; xilema secundario (Spanish)
PO:0005849	primary xylem	A portion of xylem tissue of the primary plant body.	portion of primary xylem tissue; xilema primario (Spanish)
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
PO:0006001	phyllome	A lateral plant organ produced by a shoot apical meristem.	filoma (Spanish)
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
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.	cat&#225fila en escama (Spanish); cataphyll
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
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)
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 c&#233lulas parietales (Spanish); pollen sac primary parietal cell layer
PO:0006007	anther wall secondary parietal cell layer	A portion of ground tissue that is part of an anther wall and develops from an anther wall primary parietal cell layer.	capa secundaria de c&#233lulas parietales (Spanish); pollen sac secondary parietal cell layer
PO:0006008	anther wall inner secondary parietal cell layer	An anther wall secondary parietal cell layer that is formed towards the inside after the cells of an anther wall primary parietal cell layer undergo a periclinal division.	capa interna secundaria de c&#233lulas parietales (Spanish); pollen sac inner secondary parietal cell layer
PO:0006009	anther wall outer secondary parietal cell layer	An anther wall secondary parietal cell layer formed towards the outside after an anther wall primary parietal cell layer undergoes a periclinal division.	capa externa secundaria de c&#233lulas parietales (Spanish); pollen sac outer secondary parietal cell layer
PO:0006010	primary parietal cell	It is formed by the division of a archesporial cell.	c&#233lula primaria parietal (Spanish)
PO:0006011	lateral vein	An unbranched second order vein of the grass leaf blade.	vena lateral (Spanish)
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)
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; ves&#237cula contenedora de jugo (Spanish)
PO:0006014	male archesporial cell	An archesporial cell that is part of a microsporangium and divides to gives rise to a microsporocyte.	anther archesporial cell; c&#233lula masculina arquesporial (Spanish); male archesporial initial
PO:0006015	female archesporial cell	An archesporial cell that is part of a megasporangium and divides to give rise to a megasporocyte.	c&#233lula femenina arquesporial (Spanish); female archesporial initial; ovule archesporial cell
PO:0006016	leaf epidermis	A portion of phyllome epidermis that is part of a leaf.	epidermis de la hoja (Spanish); foliage leaf epidermis; phyllid epidermis
PO:0006017	helobial endosperm	An endosperm in which the first karyokinetic event is accompanied by the formation of a horizontal wall which divides the central cell into unequal regions. The larger one is the micropylar chamber in which cytokinesis does not occur and the smaller one is the chalazal chamber.	endosperma helobial (Spanish)
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
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
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 ra&#237z lateral (Spanish)
PO:0006021	adventitious root apical meristem	A root apical meristem that is part of an adventitious root.	crown root meristem; meristema de la ra&#237z adventicia (Spanish); seminal root meristem
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.	extensi&#243n de la vaina vascular (Spanish)
PO:0006023	bundle sheath	A layer or layers of cells surrounding the vascular bundles of leaves. It may consist of parenchyma or sclerenchyma.	vaina del haz (Spanish)
PO:0006024	parenchyma sheath	A single layered, parenchymatous bundle sheath characterized by presence of large quantity of starch.	starch sheath; vaina parenquim&#225tica (Spanish)
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)
PO:0006032	awn	A long bristle-like appendage found on the tip or back of various parts of the grass spikelet.	arista (Spanish)
PO:0006033	paleal apiculus	A short, abrupt, flexible point present at the apex of the palea.	ap&#237culo de la palea (Spanish); apiculus
PO:0006034	leaflet margin	The margin of the leaflet.	margen del fol&#237olo (Spanish)
PO:0006035	shoot epidermis	A portion of epidermis that is part of a shoot system.	epidermis del epiblasto (epiblastema) (Spanish)
PO:0006036	root epidermis	A portion of epidermis that is part of a root system.	epiblem; epidermis de la ra&#237z (Spanish); rhizodermis
PO:0006039	adventitious root epidermis	A portion of root epidermis that is part of an adventitious root.	crown root epidermis; epidermis de la ra&#237z adventicia (Spanish)
PO:0006040	sepal epidermis	A portion of phyllome epidermis that is part of a sepal.	epidermis del s&#233palo (Spanish)
PO:0006041	petal epidermis	A portion of phyllome epidermis that is part of a petal.	epidermis del p&#233talo (Spanish)
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
PO:0006043	integument epidermis	A portion epidermis that is part of an integument.	epidermis del integumento (Spanish); Poaceae integument epidermis
PO:0006044	inner integument epidermis	The epidermis of the inner integument in an ovule.	epidermis del integumento interior (Spanish)
PO:0006045	outer integument epidermis	The epidermis of the outer integument in an ovule.	epidermis del integumento exterior (Spanish)
PO:0006048	seed coat epidermis	A portion of epidermis that is part of a seed coat.	epidermis de la cubierta de la semilla (Spanish)
PO:0006049	scutellum epidermis	A portion of shoot epidermis that is part of the scutellum.	epidermis del escutelo (Spanish)
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
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
PO:0006052	petal abaxial epidermis	A portion of petal epidermis that covers the abaxial/lower surface of a petal.	epidermis abaxial del p&#233talo (Spanish)
PO:0006053	petal adaxial epidermis	A portion of petal epidermis that covers the adaxial/upper surface of a petal.	epidermis adaxial del p&#233talo (Spanish)
PO:0006054	sepal abaxial epidermis	A portion of sepal epidermis that covers the abaxial/lower surface of a sepal.	epidermis abaxial del s&#233palo (Spanish)
PO:0006055	sepal adaxial epidermis	A portion of sepal epidermis that covers the adaxial/upper surface of a sepal.	epidermis adaxial del s&#233palo (Spanish)
PO:0006056	cotyledon epidermis	A leaf epidermis that is part of a cotyledon.	epidermis del cotiled&#243n (Spanish)
PO:0006057	cotyledon abaxial epidermis	The abaxial/lower epidermal cell layer of the cotyledon.	epidermis abaxial de cotiled&#243n (Spanish)
PO:0006058	cotyledon adaxial epidermis	The adaxial/upper epidermal cell layer of the cotyledon.	epidermis adaxial de cotiled&#243n (Spanish)
PO:0006060	filament epidermis	A portion of stamen epidermis that is part of a filament.	epidermis del filamento (Spanish)
PO:0006061	stigma epidermis	A portion of carpel epidermis that is part of a stigma.	epidermis del estigma (Spanish); Poaceae stigma epidermis
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
PO:0006063	ovary epidermis	A portion of epidermis that is part of an ovary.	epidermis del ovario (Spanish); Poaceae ovary epidermis
PO:0006065	hypocotyl endodermis	A portion of endodermis that is part of a hypocotyl.	endodermis del hipoc&#243tile (Spanish)
PO:0006066	petiole parenchyma	A portion of parenchyma tissue that is part of a petiole.	par&#233nquima del pec&#237olo (Spanish)
PO:0006067	cambium-like transitional zone	OBSOLETE. A cup-shaped region in the shoot apical meristem found between the central mother cell and the rib and peripheral zone. The cells of this zone are derived from the corpus intials, but in some cases they arise also from tunica initials.	adaxial meristem; leaf meristem; ventral meristem; zona transicional semejante al cambium (Spanish)
PO:0006068	sepal parenchyma	A portion of parenchyma tissue that is part of a sepal.	par&#233nquima del s&#233palo (Spanish)
PO:0006069	petal parenchyma	A portion of parenchyma tissue that is part of a petal.	par&#233nquima del p&#233talo (Spanish)
PO:0006070	mesophyll	The chloroplast-containing, photosynthetic parenchymatous tissue situated between the two epidermal layers of the leaf or leaf like organs.	mes&#243filo (Spanish)
PO:0006071	petal mesophyll	The chloroplast-containing, photosynthetic parenchymatous tissue situated between the two epidermal layers of the petal.	mes&#243filo del p&#233talo (Spanish)
PO:0006072	sepal mesophyll	The chloroplast-containing, photosynthetic parenchymatous tissue situated between the two epidermal layers of the sepal.	mes&#243filo del s&#233palo (Spanish)
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)
PO:0006074	obsolete procambium	OBSOLETE. A portion of primary cambium that undergoes differentiation to form the primary vascular tissue.	procambium (Spanish)
PO:0025275	procambium	A portion of meristem tissue that undergoes differentiation to form the primary vascular tissue.	procambio (Spanish)
PO:0006075	primary phloem	A portion of phloem tissue of the primary plant body.	floema primario (Spanish); portion of primary phloem tissue
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
PO:0006077	protophloem	The first-formed elements of the primary phloem.	portion of protophloem tissue; protofloema (Spanish)
PO:0006078	primary vascular tissue	OBSOLETE. The vascular tissue of the primary plant body at the embryonic stage.	tejido vascular primario (Spanish)
PO:0006079	shoot meristem	A meristem that is part of a shoot system.	meristema del epiblasto (epiblastema) (Spanish)
PO:0006080	secondary vascular tissue	OBSOLETE. The vascular tissue derived from the vascular cambium because of the secondary growth.	tejido vascular secundario (Spanish)
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 ra&#237z primaria (Spanish)
PO:0006082	abaxial protoderm	The outermost layer of the shoot apical meristem which gives rise to the abaxial/lower leaf epidermis.	protodermis abaxial (Spanish)
PO:0006083	adaxial protoderm	The outermost layer of the shoot apical meristem which gives rise to the adaxial/upper leaf epidermis.	protodermis adaxial (Spanish)
PO:0006084	portion of transfusion tissue	Tissue consisting of tracheids and parenchyma cells, associated with the vascular bundle.	porci&#243n del tejido de transfusi&#243n (Spanish)
PO:0006085	root meristem	A meristem that is part of a root system.	meristema de la ra&#237z (Spanish); meristematic zone
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 transfusi&#243n (Spanish)
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 proliferaci&#243n (Spanish)
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.	c&#233lula espor&#243gena primaria (Spanish)
PO:0006089	anther primordium	A primordium that will develop into anther.	primordio de la antera (Spanish)
PO:0006090	organogenic callus	A cultured plant callus that is capable of forming plant organs.	callo &#243rganog&#233nico (Spanish); meristematic callus
PO:0006091	embryogenic callus	A cultured plant callus that is capable of forming somatic embryos.	callo embriog&#233nico (Spanish)
PO:0006109	pith	A maximal portion of parenchyma in the center of a shoot axis or root.	m&#233dula (Spanish); medulla
PO:0006200	fascicular cambium	Vascular cambium originating from procambium within vascular bundles or fascicles.	cambium fascicular (Spanish)
PO:0006201	interfascicular cambium	Vascular cambium arising between vascular bundles or fascicles, in the interfascicular parenchyma or pith.	cambium interfascicular (Spanish)
PO:0006202	interfascicular region	A portion of ground tissue located between vascular bundles in a shoot axis.	medullary ray; pith ray; regi&#243n interfascicular (Spanish)
PO:0006203	pericycle	A portion of ground tissue that is part of a root stele located between the phloem and endodermis.	periciclo (Spanish); portion of pericycle tissue; portion of pericyclic tissue
PO:0006204	sporocyte	A diploid (2n) cell that undergoes meiosis and produces four haploid (1n) spores.	esporocito (Spanish); meiocyte; spore mother cell
PO:0006205	spongy mesophyll cell	Irregularly-shaped, chlorenchymatous cell, separated by large air spaces.	c&#233lula del mes&#243filo esponjoso (Spanish); spongy parenchyma cell
PO:0006206	palisade mesophyll cell	Elongated chlorenchymatous cell oriented perpendicular to the leaf surface and which is active in photosynthesis.	c&#233lula del mes&#243filo en empalizada (Spanish); palisade parenchyma cell
PO:0006207	exodermal passage cell	A short cell in the dimorphic type of exodermis with cell wall that remains non-thickened.	c&#233lula de pasaje exod&#233rmica (Spanish)
PO:0006208	endodermal passage cell	Cell in the endodermal layer of the root with cell wall that remains non-thickened.	c&#233lula de pasaje endod&#233rmica (Spanish)
PO:0006209	lateral root epidermis	OBSOLETE. The outer most cell layer of the lateral roots.	epidermis de la ra&#237z lateral (Spanish)
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)
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 separaci&#243n (Spanish)
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)
PO:0006213	root aerenchyma	Parenchyma tissue containing particularly large intercellular spaces in the tissue of roots.	aer&#233nquima de la ra&#237z (Spanish)
PO:0006214	stem aerenchyma	A portion of aerenchyma that is part of a stem.	aer&#233nquima del tallo (Spanish)
PO:0006215	leaf aerenchyma	A portion of parenchyma tissue containing particularly large intercellular spaces in the leaf mesophyll.	aer&#233nquima de la hoja (Spanish)
PO:0006216	internal phloem	Primary phloem tissue positioned internal to the primary xylem.	floema intraxil&#233mico (Spanish); intraxylary phloem
PO:0006218	exotegmen	That part of the seed coat that develops from the outer surface of the inner integument.	tegmen exterior (Spanish)
PO:0006219	endotegmen	That part of the seed coat that develops from the inner epidermis of the inner integument.	tegmen interior (Spanish)
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
PO:0006221	articulated laticifer cell	A laticifer cell in which the walls between contiguous cells may partly or completely disappear.	c&#233lula del latic&#237fero articulado (Spanish); laticiferous vessel
PO:0006222	non-articulated laticifer cell	A laticifer cell that elongates indefinitely and grows intrusively between the walls of meristematic cells.	c&#233lula del latic&#237fero no articulado (Spanish); simple laticifer
PO:0006300	obsolete plant structure	OBSOLETE. The instances of this parent term are those anatomical terms which have become obsolete.	estructura vegetal obsoleta (Spanish)
PO:0006301	corpus	OBSOLETE. Group of cells located beneath anticlinally dividing peripheral layers (tunica) and dividing in many planes. In apical shoot meristem. Such division cause the increase in the volume of shoot.	corpus (Spanish)
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.	t&#250nica (Spanish)
PO:0006303	L1	OBSOLETE. The outer layer of the tunica.	L1 (Spanish)
PO:0009020	meristem L1	The outermost layer of a shoot apical meristem that gives rise to a shoot epidermis.	meristema L1 (Spanish)
PO:0006304	L2	OBSOLETE. The second layer of the tunica.	L2 (Spanish)
PO:0009021	meristem L2	A cell layer directly beneath a meristem L1 layer in a shoot apical meristem which gives rise to subepidermal tissue.	meristema L2 (Spanish)
PO:0006305	L3	OBSOLETE. The innermost layer of the tunica.	L3 (Spanish)
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)
PO:0006306	obsolete shoot procambium	OBSOLETE. A derivative of the apical meristem which undergoes differentiation to form the primary vascular tissue of a shoot.	procambium del epiblasto (epiblastema) (Spanish)
PO:0025276	shoot procambium	A portion of procambium tissue that is part of a shoot system.	procambio del epiblasto (Spanish)
PO:0006307	root procambium	A portion of procambium tissue that undergoes differentiation to form the primary vascular tissue of a root.	procambium de la ra&#237z (Spanish)
PO:0006308	root lateral meristem	Meristem of the root located parallel to the sides of the axis.	meristema lateral de la ra&#237z (Spanish)
PO:0006309	tassel spikelet	Ultimate inflorescence branch of the maize tassel.	penacho (borla) de la espiguilla (Spanish)
PO:0006310	tassel floret	A spikelet floret that is part of a tassel spikelet.	florete del penacho (borla) (Spanish)
PO:0006311	tassel sessile spikelet	Ultimate inflorescence branch of the maize tassel without a pedicel, developing from the spikelet pair meristem.	penacho (borla) s&#233sil del florete (Spanish)
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)
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)
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)
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 s&#233sil (Spanish)
PO:0006316	upper floret of sessile spikelet of tassel	A tassel floret that is one of the two florets placed above the lower floret on a sessile spikelet rachilla of a tassel inflorescence.	florete superior de la espiguilla s&#233sil (Spanish)
PO:0006319	spikelet pedicel	Inflorescence branch that terminates in a spikelet.	pedicelo de la espiguilla (Spanish)
PO:0006320	ear spikelet	Ultimate inflorescence branch of the maize ear.	oreja de la espiguilla (Spanish)
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
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
PO:0006323	tassel branch	Any branch forming from the primary or higher order tassel axes.	rama del penacho (borla) (Spanish)
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
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)
PO:0006326	inflorescence internode	A shoot internode that is part of an inflorescence axis.	internodo de la inflorescencia (Spanish)
PO:0006327	spikelet meristem	An inflorescence apical meristem that gives rise to the two or more florets of a grass inflorescence.	meristema de la espiguilla (Spanish)
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)
PO:0006330	gynophore	A shoot axis that is an elongation of the floral axis that supports the carpels.	gin&#243foro (Spanish)
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)
PO:0006332	seed funicle	A stalk that is attached to a seed and is the remnants of a funicle.	fun&#237culo de la semilla (Spanish)
PO:0006333	seed chalaza	A remnant of the ovular chalaza that is part of the seed.	calaza de la semilla (Spanish); portion of seed chalaza
PO:0006334	seed micropyle	A plant anatomical space that is enclosed by and forms an opening in a seed coat at the apex of a seed and is the remnant of a micropyle.	micr&#243pila de la semilla (Spanish)
PO:0006336	seed obturator	An outgrowth of the seed funicle, that forms a bridge between the seed micropyle and other tissues. It is also a remnant form of the obturator found in the ovular funicle.	obturador de la semilla (Spanish); portion of seed obturator tissue
PO:0006338	embryo leaf	A vascular leaf that is part of a plant embryo and is one of the first few leaves to develop from the embryonic shoot apical meristem.	embryonic leaf; hoja embri&#243nica (Spanish)
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
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)
PO:0006341	primary shoot	The shoot developing from the embryonic shoot apical meristem.	epiblasto (epiblastema) primario (Spanish); main stalk
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)
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)
PO:0006344	shoot lateral meristem	A shoot meristem located parallel to the sides of the axis.	meristema lateral del epiblasto (epiblastema) (Spanish)
PO:0006345	pollen tube	A tubular cell extension formed by the germinating pollen grain; carries the male gametes into the ovule.	tubo pol&#237nico (Spanish)
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)
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)
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)
PO:0006349	ear sessile spikelet	Ultimate sessile inflorescence branch of the maize ear that develops from the spikelet pair meristem.	espiga s&#233sil de la espiguilla (Spanish)
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)
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)
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 s&#233sil de la espiga (Spanish)
PO:0006353	lower floret of pedicellate spikelet of ear	An ear floret that is the lower of the two florets of a pedicellate spikelet rachilla of an ear inflorescence.	florete inferior de la espiguilla s&#233sil de la espiga (Spanish)
PO:0006354	ear floret	A spikelet floret that is part of an ear spikelet.	florete de la espiga (Spanish)
PO:0006358	tassel spikelet pair meristem	The meristem present on short tassel branch that produces two spikelet meristems, each of which produces two floral meristems in a maize tassel.	par de meristemas del penacho (borla) de la espiguilla (Spanish)
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)
PO:0006362	embryo shoot apical meristem	A vegetative shoot apical meristem at the apex of the embryonic axis.	embryonic shoot apical meristem; meristema embri&#243nico apical del epiblasto (epiblastema) (Spanish)
PO:0006367	glume of ear spikelet	A glume that is part of an ear spikelet.	gluma de la espiga de la espiguilla (Spanish)
PO:0006368	glume of tassel spikelet	A glume that is part of a tassel spikelet.	gluma del penacho (borla) de la espiguilla (Spanish)
PO:0006369	lower glume of ear spikelet	A lower glume that is part of an ear spikelet.	gluma inferior la espiga de la espiguilla (Spanish)
PO:0006370	upper glume of tassel spikelet	An upper glume that is part of a tassel spikelet.	gluma superior del penacho (borla) de la espiguilla (Spanish)
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)
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)
PO:0006375	ear apical meristem	An inflorescence apical meristem that gives rise to the maize ear.	meristema apical de la espiga (Spanish)
PO:0006376	tassel apical meristem	An inflorescence apical meristem that gives rise to the maize tassel.	meristema apical del penacho (borla) (Spanish)
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)
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)
PO:0006379	tassel spikelet rachilla	The axis of the tassel spikelet, above the glumes.	raquilla del penacho (borla) de la espiguilla (Spanish)
PO:0006380	ear spikelet rachilla	The axis of the ear spikelet, above the glumes.	raquilla de la espiga de la espiguilla (Spanish)
PO:0006385	lower glume of pedicellate spikelet of tassel	A lower glume of tassel spikelet that is part of a tassel pedicellate spikelet.	gluma inferior de la espiguilla pedicelada del penacho (borla) (Spanish)
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 s&#233sil del penacho (borla) (Spanish)
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 s&#233sil del penacho (borla) (Spanish)
PO:0006388	upper glume of pedicellate spikelet of tassel	An upper glume of tassel spikelet that is part of a tassel pedicellate spikelet.	gluma superior de la espiguilla pedicelada del penacho (borla) (Spanish)
PO:0006389	rachilla of sessile spikelet of tassel	The axis of the tassel sessile spikelet, above the glumes.	raquilla de la espiguilla s&#233sil del penacho (borla) (Spanish)
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)
PO:0006415	pedicel of ear spikelet	This is the ultimate branch of the pedicellate ear spikelet.	pedicelo de la espiguilla de la espiga (Spanish)
PO:0006416	pedicel of tassel spikelet	This is the ultimate branch of the pedicellate tassel spikelet.	pedicelo de la espiguilla del penacho (borla) (Spanish)
PO:0006417	tassel peduncle	A peduncle of a maize tassel, below the lowest tassel node.	pedC:nculo del penacho (borla) (Spanish)
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
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)
PO:0006436	rachilla of sessile spikelet of ear	The axis of the ear sessile spikelet, above the glumes.	raquilla de la espiguilla s&#233sil de la espiga (Spanish)
PO:0006437	lower glume of pedicellate spikelet of ear	A lower glume of ear spikelet that is part of an ear pedicellate spikelet.	gluma inferior de la espiguilla pedicelada de la espiga (Spanish)
PO:0006438	lower glume of sessile spikelet of ear	A lower glume of ear spikelet that is part of an ear sessile spikelet.	gluma inferior de la espiguilla s&#233sil de la espiga (Spanish)
PO:0006439	upper glume of pedicellate spikelet of ear	An upper glume of ear spikelet that is part of an ear pedicellate spikelet.	gluma superior de la espiguilla pedicelada de la espiga (Spanish)
PO:0006440	upper glume of sessile spikelet of ear	An upper glume of ear spikelet that is part of an ear sessile spikelet.	gluma superior de la espiguilla s&#233sil de la espiga (Spanish)
PO:0006501	leaf abscission zone	Zone at base of the leaf that contains an abscission (or separation) layer and a protective layer, both involved in the abscission of the leaf.	zona de absici&#243n de la hoja (Spanish)
PO:0006502	flower abscission zone	Zone at base of the flower that contains an abscission (or separation) layer and a protective layer, both involved in the abscission of the flower and its parts.	zona de absici&#243n de la flor (Spanish)
PO:0006503	fruit abscission zone	Zone at base of the fruit that contains an abscission (or separation) layer and a protective layer, both involved in the abscission of the fruit.	zona de absici&#243n del fruto (Spanish)
PO:0006504	leaf trichome	A phyllome trichome that is part of a leaf epidermis.	phyllid trichome; tricoma de hoja (Spanish)
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
PO:0008001	fruit distal end	The end distal from the fruit pedicel.	blossom end; porci&#243n distal del fruto (Spanish)
PO:0008002	fruit proximal end	The stem end of the fruit.	fruit shoulders; porci&#243n proximal del fruto (Spanish)
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)
PO:0008005	fruit nucellus	A nucellus in the grass caryopsis.	nucelo del fruto (Spanish)
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
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.	<new synonym>; proyecci&#243n nucelar (Spanish)
PO:0008008	modified aleurone	A morphologically distinct aleurone layer located adjacent to the nucellar projection.	aleurona modificada (Spanish)
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.	proyecci&#243n nucelar abaxial (Spanish)
PO:0008010	adaxial nucellar projection	A portion of plant tissue that is the adaxial/upper portion of the nucellus overlying the vascular strands in the grass caryopsis.	proyecci&#243n nucelar adaxial (Spanish)
PO:0008011	embryo vascular system	Vascular system of embryo.	sistema vascular del embri&#243n (Spanish)
PO:0008012	stigma vascular system	A vascular system that includes the totality of the portions of vascular tissue in their specific arrangement in a stigma.	sistema vascular del estigma (Spanish); stigma vein
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)
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)
PO:0008015	hypocotyl vascular system	Vascular system of the hypocotyl.	sistema vascular del hipoc&#243tile (Spanish)
PO:0008016	vegetative shoot apical meristem	A shoot apical meristem that gives rise to the apical growth of vegetative tissues and organs.	meristema vegetativo apical del epiblasto (epiblastema) (Spanish); vegetative meristem
PO:0008017	leaf sheath pulvinus	A more or less abrupt swelling, especially at the apex or base of a leaf sheath.	vaina del pulv&#237nulo de la hoja (Spanish)
PO:0008018	transition vascular leaf	A vascular leaf that is part of an heteroblastic series, and is characterized by anatomical features that are intermediate between juvenile and adult leaves.	hoja de transici&#243n (Spanish)
PO:0008019	leaf lamina base	The region of the leaf lamina proximal to the stem and usually connected to it by means of a petiole.	base de la l&#225mina de la hoja (Spanish)
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 l&#225mina de la hoja (Spanish)
PO:0008021	tertiary vein	A leaf vein arising from a secondary vein.	third order leaf vein; vena terciaria (Spanish)
PO:0008022	quaternary vein	A leaf vein arising from a tertiary vein.	fourth order leaf vein; vena cuaternaria (Spanish)
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)
PO:0008024	petiole proximal end	The region of the petiole proximal to its stem attachment site.	extremo proximal del pec&#237olo (Spanish); petiole base
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 pec&#237olo (Spanish)
PO:0008026	petiole distal end	The region of the petiole distal to its stem attachment site or proximal to the leaf lamina.	extremo distal del pec&#237olo (Spanish); petiole apex
PO:0008027	petiole adaxial epidermis	A portion of petiole epidermis that covers the adaxial/upper surface of a petiole.	epidermis adaxial del pec&#237olo (Spanish)
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)
PO:0008029	petiole abaxial epidermis	A portion of petiole epidermis that covers the abaxial/lower surface of a petiole.	epidermis abaxial del pec&#237olo (Spanish)
PO:0008030	trichome cell	A plant cell that is part of a trichome.	c&#233lula del tricoma (Spanish); non-glandular unicellular trichome; non-secretory unicellular trichome; simple trichome; unicellular trichome
PO:0008031	trichome branch	OBSOLETE. The branch on a trichome.	rama del tricoma (Spanish)
PO:0025163	multicellular trichome branch cell	A trichome cell that forms a branch of a multicellular trichome.	c&#233lula ramificada de tricoma multicelular (Spanish)
PO:0008032	stomatal pore	A plant anatomical space that forms an opening in an epidermis, flanked by two guard cells.	poro estom&#225tico (Spanish); stoma; stomata; stomatal aperture
PO:0008034	leaf whorl	OBSOLETE. A cluster of leaves in crowded circles or spirals arising basally from a crown.	hoja en verticilo (Spanish); rosette
PO:0025022	collective leaf structure	A collective phyllome structure composed of two or more leaves.	estructura colectiva de hoja (Spanish); leaf whorl; rosette
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)
PO:0008036	periblem	A portion of meristem tissue that forms the cortex.	periblema (Spanish)
PO:0008037	seedling	OBSOLETE. A young plant derived from a newly germinated seed.	v&#225stago (Spanish)
PO:0008038	adventitious root primordium	A root primordium that will develop into an adventitious root.	primordio de la ra&#237z adventicia (Spanish)
PO:0008039	stem base	The basal part of stem.	base del tallo (Spanish); gametophore stem base
PO:0008040	lodicule primordium	A primordium that will develop into a lodicule.	primordio del lod&#237culo (Spanish)
PO:0008041	stem internode elongation zone	A shoot internode elongation zone that is part of a stem internode.	zona de elongaci&#243n del internodo del tallo (Spanish)
PO:0008042	stem internode differentiation zone	A shoot internode differentiation zone that is part of a stem internode.	zona de diferenciaci&#243n del internodo del tallo (Spanish)
PO:0008043	floral epidermis	OBSOLETE. A portion of shoot epidermis that is part of the floral organs.	epidermis floral (Spanish)
PO:0025096	carpel epidermis	A portion of phyllome epidermis that is part of a carpel.	epidermis del carpelo (Spanish)
PO:0025097	stamen epidermis	A portion of phyllome epidermis that is part of a stamen.	epidermis del estambre (Spanish)
PO:0025184	tepal epidermis	A portion of phyllome epidermis that is part of a tepal.	epidermis del t&#233palo (Spanish)
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 estom&#225tico floral (Spanish)
PO:0025217	carpel stomatal complex	A phyllome stomatal complex that is part of a carpel.	carpel epidermal stomatal complex; carpel epidermis stomatal complex; complejo estom&#225tico del carpelo (Spanish)
PO:0025218	petal stomatal complex	A phyllome stomatal complex that is part of a petal.	complejo estom&#225tico del p&#233talo (Spanish); petal epidermal stomatal complex; petal epidermis stomatal complex
PO:0025219	sepal stomatal complex	A phyllome stomatal complex that is part of a sepal.	complejo estom&#225tico del s&#233palo (Spanish); sepal epidermal stomatal complex; sepal epidermis stomatal complex
PO:0025220	stamen stomatal complex	A phyllome stomatal complex that is part of a stamen.	complejo estom&#225tico del estambre (Spanish); stamen epidermal stomatal complex; stamen epidermis stomatal complex
PO:0025221	tepal stomatal complex	A phyllome stomatal complex that is part of a tepal.	complejo estom&#225tico del t&#233palo (Spanish); tepal epidermal stomatal complex; tepal epidermis stomatal complex
PO:0008045	floral guard cell	OBSOLETE. One of a pair of cells flanking the stomatal pore of floral organs.	c&#233lula guardiana floral (Spanish)
PO:0008046	floral stomatal pore	OBSOLETE. A stomatal pore that is part of a floral stomatal complex.	poro estom&#225tico floral (Spanish)
PO:0008047	scutellar vascular system	A vascular system in a scutellum.	scutellum vascular system; sistema vascular de escutelo (Spanish)
PO:0008048	scutellar epithelium	A continuous layer of cylindrical cells covering the endosperm side of the scutellum. Thought to act as a secretory and absortive organ.	epitelio escutelar (Spanish); portion of scutellar epithelium; scutellum epithelium
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.	pulv&#237nulo (Spanish)
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
PO:0009002	plant cell	A cell which is a plant structure.	c&#233lula vegetal (Spanish)
PO:0009003	sporophyte	OBSOLETE. A plant structure that is a product of fertilization and produces spores through meiosis.	esporofito (Spanish)
PO:0009004	gametophyte	OBSOLETE. A plant structure that arises through meiosis and may produce gametes by mitosis.	gametofito (Spanish)
PO:0025279	megagametophyte	A whole plant in the gametophytic phase that produces only egg cells.	female gametophyte; megagametofito (Spanish)
PO:0025280	microgametophyte	A whole plant in the gametophytic phase that produces only sperm cells.	male gametophyte; microgametofito (Spanish)
PO:0009005	root	A plant axis that is part of a root system.	aerial root; ra&#237z (Spanish)
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
PO:0009007	portion of plant tissue	A plant structure that consists predominantly of similarly specialized cells of one or more types.	plant tissue; porci&#243n de un tejido vegetal (Spanish)
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.	&#243rgano vegetal (Spanish); compound plant organ; simple plant organ
PO:0009009	plant embryo	A whole plant in the early part of a sporophytic phase after the first cell division.	embri&#243n (Spanish); germ
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)
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)
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
PO:0009014	dermal tissue	OBSOLETE. A portion of plant tissue that covers the surface of the plant.	tejido d&#233rmico (Spanish)
PO:0009015	portion of vascular tissue	A portion of plant tissue that has parts xylem and phloem.	porci&#243n de tejido vascular (Spanish); vascular system
PO:0009016	ground tissue	OBSOLETE. Tissues other than the vascular tissues, epidermis and the periderm.	tejido fundamental (Spanish)
PO:0025059	portion of ground tissue	Any portion of plant tissue other than epidermis or vascular tissue.	fundamental tissue; porci&#243n del tejido fundamental (Spanish)
PO:0009017	inflorescence branch pulvinus	Pulvinus of an inflorescence branch.	pulv&#237nulo ramificado de una inflorescencia (Spanish)
PO:0009018	basal endosperm transfer cell	A transfer cell that is part of a basal endosperm transfer layer.	c&#233lula de transferencia del endosperma basal (Spanish)
PO:0009019	obsolete basal endosperm transfer layer	OBSOLETE. A cell layer found in basal endosperm transfer cell.	capa de transferencia del endosperma basal obsoleto (Spanish)
PO:0025196	basal endosperm transfer layer	A portion of plant tissue that is part of an endosperm and is composed of basal endosperm transfer cells.	capa de transferencia del endosperma basal (Spanish)
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)
PO:0009025	vascular leaf	A leaf in a vascular plant.	foliage leaf; frond; hoja vascular (Spanish); leaf, vascular; needle-like leaf; scale-like leaf
PO:0009026	sporophyll	A leaf-like organ on which one or more sporangia are borne.	esporofilo (Spanish)
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)
PO:0009028	microsporophyll	A structure on which one or more microsporangia are borne; in flowering plants, the stamen.	microsporofilo (Spanish)
PO:0009029	stamen	A microsporophyll bearing one or more microsporangia.	estambre (Spanish); Poaceae stamen; Zea stamen
PO:0009030	carpel	A megasporophyll, almost always at the center of a flower, its margins more or less fused together or with other carpels to enclose the ovule(s).	carpelo (Spanish); Poaceae carpel; Zea carpel
PO:0009031	sepal	A member of the (usually green) outer whorl of non-fertile parts surrounding the fertile organs of a flower.	s&#233palo (Spanish)
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.	p&#233talo (Spanish)
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.	t&#233palo (Spanish)
PO:0009034	flower bract	A bract that subtends perianth that is part of a flower.	br&#225ctea floral (Spanish); chaff; floral bract
PO:0009035	nectary	A multicellular glandular structure secreting a liquid containing organic substances especially sugars.	nectario (Spanish)
PO:0009036	lodicule	A phyllome that is part of a grass floret and is one of two or three tiny scales or flaps of tissue outside the stamens.	lod&#237culo (Spanish); lodicule of ear floret; lodicule of tassel floret; lodiculus
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
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
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
PO:0009040	sterile lemma	A flower bract in the position of a lemma, but not enclosing floral organs.	empty glume; lemma est&#233ril (Spanish)
PO:0009041	fertile lemma	A lemma that encloses a functional flower, with androecium, gynoecium or both.	lemma f&#233rtil (Spanish)
PO:0009042	prophyll	A phyllome that is the first organ or one of the first two organs formed at the base of an axillary shoot, often smaller and/or in a distinctively different position from leaves formed subsequently.	profilo (Spanish)
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)
PO:0009044	perigynium	Sac-like bract subtending the pistillate flower, as in <i>Carex</i>.	perigeneo (Spanish)
PO:0009045	involucral bract	Equals inflorescence bract of an involucre, as in Asteraceae or Compositeae.	br&#225ctea involucral (Spanish); phyllary
PO:0009046	flower	A determinate reproductive shoot system that has as part at least one carpel or at least one stamen and does not contain any other determinate shoot system as a part.	basal flower; diclinous flower; double flower; female flower; flor (Spanish); floret; hermaphrodite flower; imperfect flower; male flower; monoclinous flower; perfect flower; pistillate flower; staminate flower
PO:0009047	stem	A shoot axis that is the primary axis of a plant.	ca&#241a (Spanish); cane; culm; eje primario (Spanish); primary axis; stalk; tallo (Spanish); tronco (Spanish); trunk
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
PO:0009051	spikelet	A reproductive shoot system that is the ultimate and congested inflorescence branch of the grasses.	espiguilla (Spanish)
PO:0009052	pedicel	An inflorescence branch that supports an individual flower in an inflorescence that contains more than one flower.	pedicelo (Spanish)
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)
PO:0009054	inflorescence bract	A bract subtending a branch of the inflorescence or borne on the inflorescence axis below any branches or flowers.	br&#225ctea de la inflorescencia (Spanish); corn husk; husk; husk leaf; inflorescence bract of ear
PO:0009055	bract	A phyllome that subtends a reproductive structure.	br&#225ctea (Spanish); hypsophyll
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)
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)
PO:0009058	perianth	A collective phyllome structure composed of two or more petals, sepals, or tepals.	calyptra perianth; perianto (Spanish)
PO:0009059	corolla	A collective phyllome structure composed of two or more petals.	corola (Spanish)
PO:0009060	calyx	A collective phyllome structure composed of two or more sepals.	c&#225lix (Spanish)
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
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
PO:0009063	epicalyx	A collective phyllome structure composed of two or more phyllomes immediately outside the calyx.	epic&#225lix (Spanish)
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.	recept&#225culo (Spanish)
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)
PO:0009066	anther	A collective plant structure that is the pollen-bearing part of a stamen.	antera (Spanish); Poaceae anther; Zea anther
PO:0009067	filament	A stalk that is part of a stamen.	filamento (Spanish); Poaceae filament; Zea filament
PO:0009068	connective	The part of the stamen that connects the microsporangia/pollen sacs.	conectivo (Spanish); Poaceae connective; Zea connective
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
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 pol&#237nico (Spanish)
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 pol&#237nico (Spanish); Zea microsporangium
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
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
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
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
PO:0009075	plant ontology	OBSOLETE. A controlled vocabulary to describe the various plant parts and the growth and developmental stages.	ontolog&#237a vegetal (Spanish)
PO:0009077	staminode	Sterile stamen.	estaminodio (Spanish)
PO:0009078	pistillode	A sterile pistil, often rudimentary.	pistilodio (Spanish)
PO:0009080	spikelet rachilla	The axis of the spikelet, above the glumes.	raquilla de la espiguilla (Spanish)
PO:0009081	inflorescence branch	An inflorescence axis that is a branch forming from a primary or higher order inflorescence axis.	coflorescence; conflorescencia (Spanish)
PO:0009082	spikelet floret	A small flower that is part of a spikelet.	florete de la espiguilla (Spanish); grass floret; Poaceae floret; spikelet flower
PO:0009083	reproductive structures	OBSOLETE. Aggregation of gamete producing structures.	estructuras reproductivas (Spanish)
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
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
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
PO:0009087	mesocarp	A portion of plant tissue that is the middle layer of a pericarp.	albedo; mesocarpo (Spanish); portion of mesocarp tissue
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
PO:0009089	endosperm	A maximal portion of nutritive plant tissue in a seed.	<new synonym>; endosperma (Spanish)
PO:0009090	aril	A cardinal organ part that is a fleshy outgrowth of the funicle, covering all or most of the seed.	arilo (Spanish)
PO:0009091	mature dispersal unit	OBSOLETE. provisional term	unidad de dispersi&#243n madura (Spanish)
PO:0009100	involucre	A collective phyllome structure composed of two or more involucral bracts at the base of a cluster of flowers, as found in Asteraceae or Compositae.	involucro (Spanish)
PO:0009101	long lateral tassel branch	The long branch that arise from the central spike of tassel in maize.	ramificaci&#243n lateral larga del penacho (borla) (Spanish); second order tassel branch
PO:0009102	short tassel branch	The very short branch that may arise from either or both the long lateral branch and the central spike of tassel in maize.	ramificaci&#243n corta del penacho (borla) (Spanish); third order tassel branch
PO:0009103	short tassel branch meristem	The meristem present on either or both the long lateral branch and central spike of a maize tassel that gives rise to short tassel branch.	meristema de la ramificaci&#243n corta del penacho (borla) (Spanish); short branch meristem; third order tassel branch meristem
PO:0009104	long lateral tassel branch meristem	The meristem that gives rise to the long lateral branch in the maize tassel.	long lateral branch meristem; meristema de la ramificaci&#243n larga del penacho (borla) (Spanish); second order tassel branch meristem
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)
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)
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)
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)
PO:0009109	ear meristem	The meristem which gives rise to the female inflorescence or ear in maize.	meristema de la espiga (Spanish)
PO:0009110	ear lateral meristem	The meristem that gives rise to the lateral structures of a maize ear.	meristema de la espiga lateral (Spanish)
PO:0009111	petiole pulvinus	Pulvinus of the petiole.	pulv&#237nulo del pec&#237olo (Spanish)
PO:0019018	embryo axis	A plant axis that is the axial part of a plant embryo.	eje del embri&#243n (Spanish); hypocotyl-root axis; zygotic plant embryo axis
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
PO:0019023	strophiole	An outgrowth occurring on the raphe.	estrofiolo (Spanish)
PO:0019024	seed operculum	A plug-like structure formed in the micropylar region of the seed coat.	op&#233rculo de la semilla (Spanish); portion of seed operculum tissue
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)
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
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
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.	&#243vulo (Spanish); Poaceae ovule; Zea ovule
PO:0020004	anther wall exothecium	An microsporangium exothecium that is part of an anther wall.	anther epidermis; anther sac epidermis; exotecio de la pared de la antera (Spanish); Poaceae exothecium; pollen sac exothecium; Zea exothecium
PO:0020005	placentoid	A portion of parenchyma tissue that is part of a connective and projects into a pollen sac.	plancentoide (Spanish); Poaceae placentoid; Zea placentoid
PO:0020006	funicle	A stalk that attaches an ovule to a placenta.	fun&#237culo (Spanish); funiculus; Poaceae funicle; Zea funicle
PO:0020008	exine	OBSOLETE. The outer layer of the pollen grain wall, highly resistant to strong acids and bases, and composed primarily of sporopollenin.	exina (Spanish)
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)
PO:0020010	endexine	OBSOLETE. The inner part of the exine, which stains.	endexina (Spanish)
PO:0020011	nexine	OBSOLETE. The inner, non-sculptured part of the exine which lies below the sexine.	nexina (Spanish)
PO:0020012	sexine	OBSOLETE. The outer, sculptured layer of the exine, which lies above the nexine.	sexina (Spanish)
PO:0020013	tectum	OBSOLETE. The layer of sexine, which forms a roof over the columellae, granules or other infratectal elements.	sexine 2; tectum (Spanish)
PO:0020014	columella	OBSOLETE. A rod-like element of the sexine/ectexine, either supporting the tectum or a caput.	columela (Spanish); sexine 1
PO:0020015	sculpture elements	OBSOLETE. Third layer of sexine.	elementos de la escultura (Spanish); sexine 3
PO:0020016	foot layer	OBSOLETE. The inner layer of the ectexine.	capa basal del grano de polen (Spanish); nexine 1
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)
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 germinaci&#243n (Spanish)
PO:0020019	megaspore	The larger, in general, of the two kinds of spores produced after meiosis in the life cycle of a heterosporous plant, and on germination giving rise to the female gametophyte (embryo sac).	megaspora (Spanish); Poaceae megaspore; Zea megaspore
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
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
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
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
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
PO:0020025	micropyle	A plant anatomical space that is enclosed by and forms an opening in an integument at the apex of an ovule.	micr&#243pila (Spanish); ovular micropyle; Poaceae micropyle
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
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)
PO:0020028	antiraphe	A cardinal organ part that is the part of an ovule on the opposite side from a raphe.	anterafe (Spanish)
PO:0020029	obturator	An outgrowth of the funicle, that forms a bridge between the micropyle and other tissues.	obturador (Spanish); portion of obturator tissue
PO:0020030	cotyledon	A leaf formed at the first node of a sporophyte.	cotiled&#243n (Spanish)
PO:0020031	radicle	An embryonic root that is the basal continuation of a hypocotyl.	rad&#237cula (Spanish)
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)
PO:0020033	coleoptile	A phyllome that surrounds the plumule of an embryo or the emerging shoot apex of a seedling.	cole&#243ptile (Spanish)
PO:0020034	coleorhiza	A plant organ that surrounds a radicle.	coleorriza (Spanish)
PO:0020035	epicotyl	The first stem internode above a hypocotyl.	epic&#243tile (Spanish)
PO:0020036	epiblast	A portion of plant tissue that is a flap-like projection of the coleorhiza, inserted opposite the scutellum.	epiblasto (Spanish)
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.	mesoc&#243tile (Spanish)
PO:0020038	petiole	A stalk of a leaf.	pec&#237olo (Spanish)
PO:0020039	leaf lamina	A lamina that is part of a leaf, usually dorsiventrally flattened and expanded.	l&#225mina de la hoja (Spanish); leaf blade
PO:0020040	leaf base	A phyllome base that is part of a leaf.	base de la hoja (Spanish); leaf sheath base; phyllid base
PO:0020041	stipule	A phyllome that is one of (usually) a pair of appendages at a leaf base.	est&#237pula (Spanish)
PO:0020042	simple leaf	A leaf in which the lamina is undivided.	hoja simple (Spanish)
PO:0020043	compound leaf	A leaf having two or more distinct leaflets that are evident as such from early in development.	hoja compuesta (Spanish)
PO:0020044	hyperphyll	The unifacial terete apical portion of a monocot cotyledon, sometimes also visible on other leaves.	hiperfilo (Spanish)
PO:0020045	pinnate leaf	A once-compound leaf with leaflets borne along a rachis.	hoja pinnada (Spanish)
PO:0020046	palmate leaf	A once-compound leaf divided into several leaflets which arise at the same point, there being no rachis.	hoja palmada (Spanish)
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
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
PO:0020049	leaflet	One of the ultimate segments of a compound leaf.	fol&#237olo (Spanish)
PO:0020050	petiolule	A stalk of a leaflet.	peciolulo (Spanish)
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)
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)
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)
PO:0020054	bud scale leaf	A scale leaf that surrounds a dormant or perennating bud.	bud scale; escama de la yema (Spanish)
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)
PO:0020056	tegmen	That part of the seed coat that develops from the inner integument.	portion of tegmen tissue; tegmen (Spanish)
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)
PO:0020058	perisperm	Diploid nutritive tissue in an angiosperm seed derived from nucellar tissue.	perisperma (Spanish); portion of perisperm tissue; seed nucellus
PO:0020059	pollen wall	OBSOLETE. Complex wall surrounding the micrsopore.	pared del grano de polen (Spanish)
PO:0020060	caruncle	An outgrowth from the surface of a seed, usually near the hilum or micropyle.	carC:ncula (Spanish)
PO:0020061	coma	A portion of seed coat epidermis that consists of multiple seed trichomes at the micropyle.	brush; coma (Spanish)
PO:0020062	elaiosome	An appendage of a seed, usually rich in oil, attractive to animals, especially ants.	elaiosoma (Spanish)
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)
PO:0020064	dehiscent fruit	OBSOLETE. Fruit that breaks open at maturity to release the contents.	fruto dehiscente (Spanish)
PO:0020065	indehiscent fruit	OBSOLETE. Fruit that does not open at maturity.	fruto indehiscente (Spanish)
PO:0020066	fleshy fruit	OBSOLETE. The fruit may be derived from monocarpellate or multicarpellate gynoecia. Their walls may consist of the pericarp or of pericarp fused with extracarpellary tissue. The outer part of the fruit wall or the entire fruit wall may become fleshy by differentiating into soft, succulent parenchyma. Parts other than the wall such as placentae and partitions in multilocular ovaries may become fleshy.	fruto carnoso (Spanish)
PO:0020075	mericarp	OBSOLETE. One segment of a fruit of a schizocarp consisting of pericarp plus seed(s).	mericarpo (Spanish)
PO:0020081	seed as dispersal unit	OBSOLETE.	semilla como unidad dispersante (Spanish)
PO:0020084	pyrene	OBSOLETE. The 'stone' or 'pit' (endocarp plus seed) of a succulent fruit.	pireno (Spanish)
PO:0020085	seed and fruit wall as dispersal unit	OBSOLETE.	pared de la semilla y fruto como unidad dispersante (Spanish)
PO:0020086	multiple fruit	OBSOLETE. Fruit on a common axis derived from the ovaries of several flowers.	fruto mC:ltiple (Spanish)
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.	c&#233lula central (Spanish)
PO:0020091	obsolete microgametophyte	OBSOLETE. A gametophyte that produces pollen sperm cells.	male gametophyte; microgametofito (Spanish); pollen; pollen grain
PO:0025281	pollen	A microgametophyte that is located in a pollen sac.	polen (Spanish); pollen grain
PO:0025283	antheridium microgametophyte	A microgametophyte that has as parts one or more antheridia.	anteridio del microgametofito (Spanish); antheridial microgametophyte
PO:0020092	obsolete megagametophyte	OBSOLETE. A gametophyte that produces female gametes.	embryo sac; female gametophyte; megagametofito (Spanish)
PO:0025074	embryo sac	A megagametophyte that is located in an ovule in an ovary.	saco embrionario (Spanish)
PO:0025282	archegonium megagametophyte	A megagametophyte that has as parts one or more archegonia.	archegonial megagametophyte; arquegonio del megagametofito (Spanish)
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.	c&#233lula antipodal (Spanish)
PO:0020094	plant egg cell	A gamete produced by an archegonium or an embryo sac.	female gamete; megagamete; ooc&#233lula (Spanish)
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)
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 ooc&#233lula (Spanish)
PO:0020097	generative cell	A cell of the male gametophyte of angiosperms that divides to produce two male gametes or sperm cells.	c&#233lula generativa (Spanish)
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.	c&#233lula vegetativa (Spanish); tube cell
PO:0020100	hypocotyl	A stem internode that is the part of a stem below the cotyledonary node and transitional to a root.	hipoc&#243tile (Spanish)
PO:0020101	stomium	A plant anatomical space that is a slit in an anther lobe formed from when a dehiscence zone dehisces.	estomio (Spanish); Poaceae stomium; Zea stomium
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; porci&#243n del tejido de transmisi&#243n (Spanish); transmitting tract
PO:0020103	flag leaf	The last mature leaf before the inflorescence in a cereal crop plant.	hoja en bandera (Spanish)
PO:0020104	leaf sheath	A tubular portion of the leaf surrounding the stem, as in the Poaceae.	vaina de la hoja (Spanish)
PO:0020105	ligule	A membranous or hairy appendage on the adaxial/upper surface of a leaf, at the junction between sheath and blade, especially in grasses.	l&#237gula (Spanish)
PO:0020106	auricle	Outgrowth at the base of a leaf blade that may wrap around the stem.	aur&#237cula (Spanish)
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)
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; hip&#243fisis (Spanish)
PO:0020110	scutellum	An embryonic plant structure that is a more or less shield-shaped and absorptive portion of a plant embryo of Poaceae.	escutelo (Spanish); haustorial cotyledon
PO:0020121	lateral root	A root that develops from a lateral root primordium located in the pericycle layer of a primary root.	ra&#237z lateral (Spanish)
PO:0020122	inflorescence axis	A shoot axis that is part of an inflorescence.	eje de la inflorescencia (Spanish); first order inflorescence branch; inflorescence rachis
PO:0020123	root cap	A portion of parenchyma tissue that is part of the root tip and covers the root apical meristem.	caliptra de la ra&#237z (Spanish); rootcap
PO:0020124	root stele	A stele that is part of a root.	root vascular cylinder; sistema vascular de la ra&#237z (Spanish)
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 elongaci&#243n (Spanish)
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 elongaci&#243n de la ra&#237z (Spanish)
PO:0020126	tassel inflorescence	The functionally-staminate flowering structure that terminates the stem of a Zea mays plant.	penacho de la inflorescencia (Spanish)
PO:0020127	primary root	A root that develops directly from an embryonic radicle.	ra&#237z primaria (Spanish); tap root
PO:0020128	leaf margin	The margin of any flattened part of a leaf.	margen de la hoja (Spanish)
PO:0020130	central root cap	A portion of root parenchyma tissue that is the central part of a root cap in which the cells are arranged in longitudinal files.	caliptra de la ra&#237z central (Spanish); columella cells; columella rootcap
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 ra&#237z (Spanish); peripheral cells
PO:0020132	columella root cap cell	Cell that constitutes the central part of the root cap, arranged in longitudinal files.	c&#233lula de la columela del caliptra de la ra&#237z (Spanish)
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.	c&#233lula inicial de la columela del caliptra de la ra&#237z (Spanish); columella root cap stem cell; columella stem cell
PO:0020134	statolith	OBSOLETE. Solid cell inclusion of starch containing plastids occurring in root cap cells.	estatolito (Spanish)
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 diferenciaci&#243n de la ra&#237z (Spanish)
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)
PO:0020137	leaf apex	A phyllome apex that is part of a leaf.	&#225pice de la hoja (Spanish); phyllid apex
PO:0020138	leaf vein	A strand of vascular tissue in the leaf blade.	vena de la hoja (Spanish)
PO:0020139	midvein	The central, and usually the most prominent, vein of a leaf or leaf-like organ.	mid rib; vena media (Spanish)
PO:0020140	secondary vein	Second order veins in the leaf blade.	veinlet; vena secundaria (Spanish)
PO:0020141	stem node	A shoot node that is part of a stem.	nodo del tallo (Spanish)
PO:0020142	stem internode	A shoot internode that is part of a stem.	internodo del tallo (Spanish)
PO:0020144	apical meristem	A maximal portion of meristem tissue located at an apex of a shoot system or root system.	meristema apical (Spanish); primary meristem
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
PO:0020147	root apical meristem	An apical meristem of the root system.	meristema apical de la ra&#237z (Spanish); promeristem
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
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 c&#233lulas del meristema (Spanish)
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 &#243rgano cardinal (Spanish)
PO:0025002	basal root	A root that arises from a part of the hypocotyl.	adventitious root; ra&#237z basal (Spanish)
PO:0025003	tuber axillary shoot	An axillary shoot that develops from a tuber axillary bud.	epiblasto (epiblastema) lateral de tub&#233rculo (Spanish)
PO:0025004	plant axis	An axial plant organ.	eje de la planta (Spanish)
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 &#243rgano (Spanish)
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)
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)
PO:0025008	petal margin	The margin of a petal.	margen del p&#233talo (Spanish)
PO:0025009	leaf lamina margin	The margin of a leaf lamina.	margen de la l&#225mina de la hoja (Spanish)
PO:0025010	petiole margin	The margin of a flattened petiole.	margen del pec&#237olo (Spanish)
PO:0025011	bract margin	The margin of a bract.	margen de la br&#225ctea (Spanish)
PO:0025012	cotyledon margin	The margin of a cotyledon.	margen del cotiled&#243n (Spanish)
PO:0025013	prophyll margin	The margin of a prophyll.	margen del profilo (Spanish)
PO:0025014	scale leaf margin	The margin of a scale leaf.	margen de la hoja escamosa (Spanish)
PO:0025015	tepal margin	The margin of a tepal.	margen del t&#233palo (Spanish)
PO:0025016	sporophyll margin	The margin of a sporophyll.	margen del esporofilo (Spanish)
PO:0025017	spore	A plant cell that arises through meiosis and develops into a gametophyte.	espora (Spanish)
PO:0025018	phyllome margin	The margin of a phyllome.	margen del filoma (Spanish)
PO:0025019	carpel margin	The margin of a carpel.	margen del carpelo (Spanish)
PO:0025020	stamen margin	The margin of a stamen.	margen del estambre (Spanish)
PO:0025021	collective tepal structure	A perianth consisting of two or more tepals.	estructura colectiva del t&#233palo (Spanish)
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
PO:0025024	branch node	A shoot node that is part of a branch.	nodo ramificado (Spanish)
PO:0025025	root system	A collective plant structure that produces root apical meristems and the plant structures that arise from them.	sistema de ra&#237z (Spanish)
PO:0025026	megagametophyte cell	A plant cell that is part of an embryo sac.	c&#233lula megagametof&#237tica (Spanish); embryo sac cell; megagametophytic cell
PO:0025027	microgametophytic cell	OBSOLETE. A plant cell that is part of a male gametophyte.	c&#233lula microgametof&#237tica (Spanish)
PO:0025028	embryo plant cell	A plant cell that is part of a plant embryo.	c&#233lula embri&#243nica vegetal (Spanish); embryonic plant cell
PO:0025029	shoot axis	A plant axis that is part of a shoot system.	caullome; eje del epiblasto (epiblastema) (Spanish); shoot
PO:0025030	ground tissue cell	A plant cell that is part of a portion of ground tissue.	c&#233lula del tejido fundamental (Spanish); fundamental tissue cell
PO:0025031	laticifer cell	A ground tissue cell that contains latex.	c&#233lula latic&#237fera (Spanish)
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
PO:0025033	leptoid	A plant cell that resembles in structure the sieve elements of vascular plants.	leptoid cell; leptoide (Spanish)
PO:0025034	leaf	A phyllome that is not associated with a reproductive structure.	hoja (Spanish)
PO:0025035	storage parenchyma	A portion of parenchyma specialized for carbohydrate storage.	flesh; fleshy tissue; par&#233nquima de reserva (Spanish); portion of storage parenchyma
PO:0025036	tuber storage parenchyma	A portion of storage parenchyma that is part of a tuber.	par&#233nquima de reserva de tub&#233rculo (Spanish); tuber flesh
PO:0025037	fruit storage parenchyma	A portion of storage parenchyma that is part of a fruit.	fruit flesh; par&#233nquima de reserva de fruto (Spanish)
PO:0025038	subterranean tuber storage parenchyma	A portion of tuber storage parenchyma that is part of a subterranean tuber.	par&#233nquima de reserva de tub&#233rculo subterr&#225neo (Spanish); potato tuber flesh
PO:0025039	aerial tuber storage parenchyma	A portion of tuber storage parenchyma that is part of an aerial tuber.	par&#233nquima de reserva de tub&#233rculo a&#233reo (Spanish)
PO:0025040	tuber axillary vegetative bud	An axillary vegetative bud that is part of a tuber.	tuber bud; tuber eye; yema vegetativa axilar de tub&#233rculo (Spanish)
PO:0025041	aerial tuber axillary vegetative bud	A tuber axillary vegetative bud that is part of an aerial tuber.	yema vegetativa axilar de tub&#233rculo a&#233reo (Spanish)
PO:0025042	subterranean tuber axillary vegetative bud	A tuber axillary vegetative bud that is part of a subterranean tuber.	eye; potato eye; swollen eye; tuber eye; yema vegetativa axilar de tub&#233rculo subterr&#225neo (Spanish)
PO:0025043	tuber periderm	A portion of shoot periderm that is part of a tuber.	peridermis de tub&#233rculo (Spanish)
PO:0025044	aerial tuber periderm	A portion of tuber periderm that is part of an aerial tuber.	peridermis de tub&#233rculo a&#233reo (Spanish)
PO:0025045	subterranean tuber periderm	A portion of tuber periderm that is part of a subterranean tuber.	mature potato tuber skin; peridermis de tub&#233rculo subterr&#225neo (Spanish)
PO:0025046	tuber epidermis	A portion of shoot axis epidermis that is part of a tuber.	epidermis de tub&#233rculo (Spanish)
PO:0025047	aerial tuber epidermis	A portion of tuber epidermis that is part of an aerial tuber.	epidermis de tub&#233rculo a&#233reo (Spanish)
PO:0025048	subterranean tuber epidermis	A tuber epidermis that is part of a subterranean tuber.	epidermis de tub&#233rculo subterr&#225neo (Spanish); young potato tuber skin
PO:0025049	subterranean tuber interfascicular region	A tuber interfascicular region that is part of a subterranean tuber storage parenchyma.	regi&#243n interfascicular de tub&#233rculo subterr&#225neo (Spanish)
PO:0025050	tuber interfascicular region	An interfascicular region that is part of a tuber storage parenchyma.	regi&#243n interfascicular de tub&#233rculo (Spanish); tuber flesh
PO:0025051	aerial tuber interfascicular region	A tuber interfascicular region that is part of an aerial tuber storage parenchyma.	regi&#243n interfascicular de tub&#233rculo a&#233reo (Spanish)
PO:0025052	tuber pith	A portion of pith that is part of a tuber storage parenchyma.	m&#233dula del tub&#233rculo (Spanish); tuber flesh
PO:0025053	subterranean tuber pith	A portion of tuber pith that is part of a subterranean tuber storage parenchyma.	m&#233dula del tub&#233rculo subterr&#225neo (Spanish); water core
PO:0025054	aerial tuber pith	A portion of tuber pith that is part of an aerial tuber storage parenchyma.	m&#233dula del tub&#233rculo a&#233reo (Spanish)
PO:0025055	tuber cortex	A portion of stem cortex that is part of a tuber storage parenchyma.	corteza del tub&#233rculo (Spanish)
PO:0025056	aerial tuber cortex	A portion of tuber cortex that is part of an aerial tuber storage parenchyma.	corteza del tub&#233rculo a&#233reo (Spanish)
PO:0025057	subterranean tuber cortex	A portion of tuber cortex that is part of a subterranean tuber storage parenchyma.	corteza del tub&#233rculo subterr&#225neo (Spanish); Outer storage tissue
PO:0025058	perimedullary zone	A portion of parenchyma that is the outer layer of a portion of pith.	zona perimedular (Spanish)
PO:0025060	lamina	A regional part of an anatomical structure that is enlarged through lateral growth.	l&#225mina (Spanish)
PO:0025061	tuber perimedullary zone	A perimedullary zone that is part of a tuber pith.	tuber flesh; zona perimedular del tub&#233rculo (Spanish)
PO:0025062	aerial tuber perimedullary zone	A tuber perimedullary zone that is part of an aerial tuber pith.	zona perimedular del tub&#233rculo a&#233reo (Spanish)
PO:0025063	subterranean tuber perimedullary zone	A tuber perimedullary zone that is part of a subterranean tuber pith.	zona perimedular del tub&#233rculo subterr&#225neo (Spanish)
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)
PO:0025065	root perimedullary zone	A perimedullary zone that is part of a root pith.	zona perimedular de la ra&#237z (Spanish)
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)
PO:0025067	seed storage parenchyma	A portion of storage parenchyma that is part of a seed.	par&#233nquima de reserva de la semilla (Spanish)
PO:0025068	tuber axillary bud meristem	An axillary bud meristem that is part of a tuber.	meristema axilar de yema de tub&#233rculo (Spanish)
PO:0025069	aerial tuber axillary bud meristem	A tuber axillary bud meristem that is part of an aerial tuber.	meristema axilar de yema de tub&#233rculo a&#233reo (Spanish)
PO:0025070	subterranean tuber axillary bud meristem	A tuber axillary bud meristem that is part of a subterranean tuber.	meristema axilar de yema de tub&#233rculo subterr&#225neo (Spanish)
PO:0025071	terminal reproductive bud	A terminal bud that develops into a reproductive structure.	yema terminal reproductiva (Spanish)
PO:0025072	axillary reproductive bud	An axillary bud that develops into a reproductive structure.	yema axilar reproductiva (Spanish)
PO:0025073	branch	A shoot axis that develops from an axillary meristem or from equal divisions of the shoot apical meristem.	higher order axis; ramificaci&#243n (Spanish); secondary axis; tertiary axis; twig
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
PO:0025076	axillary strobilus bud	An axillary reproductive bud that develops into a strobilus.	yema de estr&#243bilo axilar (Spanish)
PO:0025077	terminal strobilus bud	A terminal reproductive bud that develops into a strobilus.	yema de estr&#243bilo terminal (Spanish)
PO:0025078	placenta	A portion of plant tissue to which ovules or seeds are attached.	placenta (Spanish); portion of placenta tissue
PO:0025079	aerial tuber axillary shoot	An axillary shoot that develops from an aerial tuber axillary bud.	epiblasto (epiblastema) axilar de tub&#233rculo a&#233reo (Spanish)
PO:0025080	branch internode	A shoot internode that is part of a branch.	internodo de una ramificaci&#243n (Spanish)
PO:0025081	subterranean tuber axillary shoot	An axillary shoot that develops from a subterranean tuber axillary bud.	epiblasto (epiblastema) axilar de tub&#233rculo subterr&#225neo (Spanish); tuber sprout
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)
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); estr&#243bilo (Spanish); ovulate cone; pollen cone
PO:0025084	reproductive bud	A bud that develops into a reproductive shoot system.	yema reproductiva (Spanish)
PO:0025085	strobilus bud	A bud that develops into a strobilus.	cone bud; yema estrobilar (Spanish)
PO:0025088	gynoecium ridge	A gynoecium in the early stages of development, characterized as a ridge on the abaxial surface of the floral meristem that develops from a gynoecium primordium.	gynoecial ridge; gynoecium ridge of lower floret of pedicellate spikelet of ear; gynoecium ridge of lower floret of sessile spikelet of ear; gynoecium ridge of upper floret of pedicellate spikelet of ear; gynoecium ridge of upper floret of sessile spikelet of ear; Poaceae gynoecium ridge; stylar ridge; surco del ginoecio (Spanish); Zea gynoecium ridge
PO:0025092	dehiscence zone	A portion of plant tissue that is part of a plant structure and consists of a narrow band of cells that undergoes dehiscence upon maturation of the structure.	zona de dehiscencia (Spanish)
PO:0025093	spore capsule annulus	A dehiscence zone that is part of a spore capsule.	anillo de la c&#225psula de musgos (Spanish); capsule dehiscence zone
PO:0025094	sporangium	A plant organ in which spores are produced.	esporangio (Spanish); moss capsule; sporangia; spore capsule
PO:0025095	root parenchyma	A portion of parenchyma tissue that is part of a root.	par&#233nquima de la ra&#237z (Spanish)
PO:0025098	bract trichome	A phyllome trichome that is part of a bract epidermis.	tricoma de br&#225ctea (Spanish)
PO:0025099	embryo plant structure	A plant structure that is part of an embryo.	embryonic plant structure; estructura vegetal embri&#243nica (Spanish)
PO:0025100	shoot internode elongation zone	A plant axis elongation zone that is part of a shoot axis internode.	zona de elongaci&#243n del internodo de epiblasto (epiblastema) (Spanish)
PO:0025101	branch internode elongation zone	A shoot axis internode elongation zone that is part of a branch internode.	zona de elongaci&#243n de la ramificaci&#243n del internodo (Spanish)
PO:0025102	shoot internode differentiation zone	A plant axis differentiation zone that is part of a shoot axis.	zona de diferenciaci&#243n del internodo del epiblasto (epiblastema) (Spanish)
PO:0025103	branch internode differentiation zone	A shoot internode differentiation zone that is part of a branch internode.	zona de diferenciaci&#243n de la ramificaci&#243n del internodo (Spanish)
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)
PO:0025105	forth order inflorescence axis	An inflorescence branch arising from a third order inflorescence axis.	cuarto orden del eje de la inflorescencia (Spanish)
PO:0025106	fifth order inflorescence axis	An inflorescence branch arising from a forth order inflorescence axis.	quinto orden del eje de la inflorescencia (Spanish)
PO:0025107	sixth order inflorescence axis	An inflorescence branch arising from a fifth order inflorescence axis.	sexto orden del eje de la inflorescencia (Spanish)
PO:0025108	seventh order inflorescence axis	An inflorescence branch arising from a sixth order inflorescence axis.	s&#233ptimo orden del eje de la inflorescencia (Spanish)
PO:0025109	eighth order inflorescence axis	An inflorescence branch arising from a seventh order inflorescence axis.	octavo orden del eje de la inflorescencia (Spanish)
PO:0025110	ninth order inflorescence axis	An inflorescence branch arising from an eighth order inflorescence axis.	noveno orden del eje de la inflorescencia (Spanish)
PO:0025111	tenth or higher order inflorescence axis	An inflorescence branch arising from a ninth or higher order inflorescence axis.	d&#233cimo o mayor orden del eje de la inflorescencia (Spanish)
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)
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)
PO:0025114	forth order infructescence axis	An infructescence branch arising from a third order infructescence axis.	cuarto orden del eje de la infructescencia (Spanish)
PO:0025115	fifth order infructescence axis	An infructescence branch arising from a forth order infructescence axis.	quinto orden del eje de la infructescencia (Spanish)
PO:0025116	sixth order infructescence axis	An infructescence branch arising from a fifth order infructescence axis.	sexto orden del eje de la infructescencia (Spanish)
PO:0025117	plant anatomical space	An anatomical space that is part of a plant.	espacio anat&#243mico vegetal (Spanish)
PO:0025118	anther pore	A plant anatomical space that is a pore at the apex of an anther.	poro de la antera (Spanish)
PO:0025119	plant axis differentiation zone	A cardinal organ part that is part of a plant axis and is located behind the elongation zone and contains cells that are differentiating into their final form and function.	zona de diferenciaci&#243n de eje vegetal (Spanish)
PO:0025120	antheridium sperm cell	A plant sperm cell that is produced by and located in an antheridium.	antheridial sperm cell; c&#233lula esperm&#225tica del anteridio (Spanish); spermatazoid
PO:0025121	pollen sperm cell	A plant sperm cell that is produced by and located in a pollen grain.	c&#233lula esperm&#225tica pol&#237nica (Spanish)
PO:0025122	archegonium egg cell	A plant egg cell that is produced by and located in an archegonium.	archegonial egg call; ooc&#233lula del arquegonio (Spanish)
PO:0025123	embryo sac egg cell	A plant egg cell that is produced by and located in an embryo sac.	ooc&#233lula del saco embrionario (Spanish)
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)
PO:0025125	antheridium	A plant gametangium that produces antheridium sperm cells that are located in it.	anteridio (Spanish)
PO:0025126	archegonium	A plant gametangium that produces an archegonium egg cell that is located in it.	archegonia; arquegonio (Spanish)
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)
PO:0025128	phyllome primordium	A primordium that will develop into a phyllome.	primordio del filoma (Spanish)
PO:0025129	petiole lamina	A lamina that is part of a petiole.	l&#225mina (ala) del pec&#237olo (Spanish); petiole wing
PO:0025130	cigar leaf	A leaf near the apex of a stem that is still rolled into a cylinder.	hoja en cigarro (Spanish)
PO:0025131	plant anatomical entity	An anatomical entity that is or was part of a plant.	entidad anat&#243mica vegetal (Spanish)
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)
PO:0025133	petiole canal	A canal that is part of a petiole.	canal de pec&#237olo (Spanish)
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 ramificaci&#243n de la inflorescencia (Spanish); Musa crown
PO:0025135	cigar leaf lamina abaxial epidermis	A portion of leaf lamina abaxial epidermis that covers the abaxial surface of a cigar leaf.	cigar leaf dorsal surface; epidermis abaxial de la l&#225mina de la hoja en cigarro (Spanish)
PO:0025136	free tepal	A tepal that is separate from all other tepals.	t&#233palo libre (Spanish)
PO:0025137	fused tepal	A tepal that is fused to another tepal.	t&#233palo fusionado (Spanish)
PO:0025138	fused collective tepal structure	A collective tepal structure that has as parts at least two fused tepals.	compound tepal; estrutura colectiva de t&#233palo fusionado (Spanish); syntepalous perianth
PO:0025139	phyllome apex	The apical portion of a phyllome.	&#225pice del filoma (Spanish)
PO:0025140	phyllome base	The basal part of a phyllome, where it attaches to a shoot axis.	base del filoma (Spanish)
PO:0025141	phyllome tip	The apical most portion of a phyllome apex.	punta del filoma (Spanish)
PO:0025142	leaf tip	A phyllome tip that is part of a leaf apex.	punta de la hoja (Spanish)
PO:0025143	tepal apex	A phyllome apex that is part of a tepal.	&#225pice del t&#233palo (Spanish); compound tepal lobe; free tepal apex
PO:0025144	petal apex	A phyllome apex that is part of a petal.	&#225pice del p&#233talo (Spanish)
PO:0025145	sepal apex	A phyllome apex that is part of a sepal.	&#225pice del s&#233palo (Spanish)
PO:0025146	petal base	A phyllome base that is part of a petal.	base del p&#233talo (Spanish)
PO:0025147	sepal base	A phyllome base that is part of a sepal.	base del s&#233palo (Spanish)
PO:0025148	tepal base	A phyllome base that is part of a tepal.	base del t&#233palo (Spanish)
PO:0025149	petal tip	A phyllome tip that is part of a petal apex.	punta del p&#233talo (Spanish)
PO:0025150	sepal tip	A phyllome tip that is part of a sepal apex.	punta del s&#233palo (Spanish)
PO:0025151	tepal tip	A phyllome tip that is part of a tepal apex.	punta del t&#233palo (Spanish)
PO:0025152	peduncle epidermis	A portion of branch epidermis that is part of a peduncle.	epidermis del pedC:nculo (Spanish); peduncle surface
PO:0025153	peduncle trichome	A shoot axis trichome that is part of a peduncle epidermis.	peduncle hair; tricoma del pedC:nculo (Spanish)
PO:0025154	bract apex	A phyllome apex that is part of a bract.	&#225pice de la br&#225ctea (Spanish)
PO:0025155	bract base	A phyllome base that is part of a bract.	base de la br&#225ctea (Spanish)
PO:0025156	bract tip	A phyllome tip that is part of a bract apex.	punta de la br&#225ctea (Spanish)
PO:0025157	phyllome epidermis	A portion of shoot epidermis that is part of a phyllome.	epidermis del filoma (Spanish)
PO:0025158	bract epidermis	A portion of phyllome epidermis that is part of a bract.	epidermis de la br&#225ctea (Spanish)
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 br&#225ctea (Spanish)
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 br&#225ctea (Spanish)
PO:0025161	portion of plant substance	A portion of organism substance that is or was part of a plant.	porci&#243n de sustancia vegetal (Spanish)
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)
PO:0025164	root epidermal cell	An epidermal cell that is part of a root epidermis.	c&#233lula epid&#233rmica de la ra&#237z (Spanish)
PO:0025165	shoot epidermal cell	An epidermal cell that is part of a shoot epidermis.	c&#233lula epid&#233rmica del epiblasto (epiblastema) (Spanish)
PO:0025169	prickle	A portion of epidermis that is a sclerified outgrowth.	espinilla (Spanish)
PO:0025170	root prickle	A prickle that is part of a root.	espinilla de la ra&#237z (Spanish)
PO:0025171	shoot axis prickle	A prickle that is part of a shoot axis.	espinilla del eje del epiblasto (epiblastema) (Spanish)
PO:0025172	thorn	A branch that is a sclerified, pointed outgrowth.	espina (Spanish)
PO:0025173	spine leaf	A leaf that is a sclerified and pointed and lacks a lamina.	espina de hoja (Spanish); leaf spine
PO:0025174	spine stipule	A stipule that is sclerified and pointed.	espina de est&#237pula (Spanish); stipule spine
PO:0025175	leaf prickle	A prickle that is part of a leaf.	espinilla de la hoja (Spanish)
PO:0025176	stem trichome	A shoot axis trichome that is part of a stem epidermis.	stem hair; tricoma del tallo (Spanish)
PO:0025177	branch trichome	A shoot axis trichome that is part of a branch epidermis.	branch hair; tricoma de una ramificaci&#243n (Spanish)
PO:0025178	stem epidermis	A portion of shoot axis epidermis that is part of a stem.	epidermis del tallo (Spanish)
PO:0025179	branch epidermis	A portion of shoot axis epidermis that is part of a branch.	epidermis de la ramificaci&#243n (Spanish)
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 elongaci&#243n del eje de la planta (Spanish)
PO:0025182	sepal trichome	A phyllome trichome that is part of a sepal epidermis.	tricoma de la epidermis del s&#233palo (Spanish)
PO:0025183	leaf stomatal complex	A phyllome stomatal complex that is part of a leaf.	complejo estom&#225tico de la hoja (Spanish); leaf epidermal stomatal complex; leaf epidermis stomatal complex
PO:0025185	leaf lamina stomatal complex	A leaf stomatal complex that is part of a leaf lamina.	complejo estom&#225tico de la l&#225mina de la hoja (Spanish); leaf lamina epidermal stomatal complex; leaf lamina epidermis stomatal complex
PO:0025186	phyllome trichome	A trichome that is part of a phyllome epidermis.	tricoma del filoma (Spanish)
PO:0025187	petal trichome	A phyllome trichome that is part of a petal epidermis.	tricoma del p&#233talo (Spanish)
PO:0025188	tepal trichome	A phyllome trichome that is part of a tepal epidermis.	tricoma de la epidermis del t&#233palo (Spanish)
PO:0025189	petiole stomatal complex	A leaf stomatal complex that is part of a petiole.	complejo estom&#225tico del pec&#237olo (Spanish); petiole epidermal stomatal complex; petiole epidermis stomatal complex
PO:0025190	leaf abaxial stomatal complex	A leaf stomatal complex that is part of a leaf abaxial epidermis.	complejo estom&#225tico de la superficie abaxial de la hoja (Spanish); leaf abaxial epidermal stomatal complex; leaf abaxial epidermis stomatal complex
PO:0025191	leaf adaxial stomatal complex	A leaf stomatal complex that is part of a leaf adaxial epidermis.	complejo estom&#225tico de la superficie adaxial de la hoja (Spanish); leaf adaxial epidermal stomatal complex; leaf adaxial epidermis stomatal complex
PO:0025192	tepal abaxial epidermis	A portion of tepal epidermis that covers the abaxial/lower surface of a tepal.	epidermis abaxial del t&#233palo (Spanish)
PO:0025193	tepal adaxial epidermis	A portion of tepal epidermis that covers the adaxial/upper surface of a tepal.	epidermis adaxail del t&#233palo (Spanish)
PO:0025194	root nodule meristem	A root meristem that gives rise to a root nodule.	meristema del n&#243dulo de la ra&#237z (Spanish)
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)
PO:0025198	shoot axis stele	A stele that is part of a shoot axis.	estela del eje del epiblasto (epiblastema) (Spanish)
PO:0025199	branch stele	A shoot axis stele that is part of a branch.	estela de la ramificaci&#243n (Spanish)
PO:0025200	stem stele	A shoot axis stele that is part of a stem.	estela del tallo (Spanish)
PO:0025201	megasporangium	A sporangium in which megaspores are produced.	megasporangio (Spanish)
PO:0025202	microsporangium	A sporangium in which microspores are produced.	microsporangio (Spanish)
PO:0025203	pericarp vascular bundle	A vascular bundle that is part of a pericarp.	haz vascular del pericarpo (Spanish)
PO:0025204	rhizome internode	A shoot axis internode that is part of a rhizome.	internodo del rizoma (Spanish)
PO:0025205	shoot system vascular system	A vascular system that is part of a shoot system.	sistema vascular del sistema del epiblasto (epiblastema) (Spanish)
PO:0025206	phyllome vascular system	A vascular system that includes the totality of the portions of vascular tissue in their specific arrangement in a phyllome.	sistema vascular del filoma (Spanish)
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 t&#233palo (Spanish)
PO:0025208	carpel trichome	A phyllome trichome that is part of a bract epidermis.	tricoma del carpelo (Spanish)
PO:0025209	stamen trichome	A phyllome trichome that is part of a stamen epidermis.	tricoma vascular del estambre (Spanish)
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)
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)
PO:0025212	leaf pavement cell	An epidermal pavement cell that is part of a leaf epidermis.	c&#233lula de pavimento de la hoja (Spanish)
PO:0025213	leaf abaxial pavement cell	A leaf pavement cell that is part of a leaf abaxial epidermis.	c&#233lula de pavimento de la superficie abaxial de la hoja (Spanish)
PO:0025214	leaf adaxial pavement cell	A leaf pavement cell that is part of a leaf adaxial epidermis.	c&#233lula de pavimento de la superficie adaxial de la hoja (Spanish)
PO:0025215	phyllome stomatal complex	A stomatal complex that is part of a phyllome.	complejo estom&#225tico del filoma (Spanish); phyllome epidermal stomatal complex; phyllome epidermis stomatal complex
PO:0025216	bract stomatal complex	A phyllome stomatal complex that is part of a bract.	bract epidermal stomatal complex; bract epidermis stomatal complex; complejo estom&#225tico de la br&#225ctea (Spanish)
PO:0025222	reproductive shoot apex	A shoot apex that has as part a reproductive shoot apical meristem.	&#225pice reproductivo del epiblasto (epiblastema) (Spanish)
PO:0025223	vegetative shoot apex	A shoot apex that has as part a vegetative shoot apical meristem.	&#225pice vegetativo del epiblasto (epiblastema) (Spanish)
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)
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 br&#225ctea (Spanish)
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 ramificaci&#243n (Spanish)
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.	t&#233trada de megasporas (Spanish)
PO:0025228	valve	A cardinal organ part that is a part of a plant structure that splits apart when the structure dehisces.	valva (Spanish)
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 c&#225psula de musgo (Spanish)
PO:0025230	columella	A portion of plant tissue that forms the central axis of a plant structure such as a fruit or moss capsule.	columela (Spanish); portion of columella tissue
PO:0025231	spore capsule columella	A columella that forms the central axis of a spore capsule.	columela de la c&#225psula de musgo (Spanish)
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 embri&#243nico vegetal (Spanish)
PO:0025234	phyllome stomatal pore	A stomatal pore that is part of a phyllome stomatal complex.	poro estom&#225tico del filoma (Spanish)
PO:0025235	leaf stomatal pore	A phyllome stomatal pore that is part of a leaf stomatal complex.	poro estom&#225tico de la hoja (Spanish)
PO:0025236	phyllome guard cell	A guard cell that is part of a phyllome stomatal complex.	c&#233lula guardiana del filoma (Spanish)
PO:0025237	leaf guard cell	A phyllome guard cell that is part of a leaf stomatal complex.	c&#233lula guardiana de la hoja (Spanish)
PO:0025238	abaxial petiole canal	A petiole canal on the abaxial surface of a petiole.	canal abaxial del pec&#237olo (Spanish)
PO:0025239	adaxial petiole canal	A petiole canal on the adaxial surface of a petiole.	canal adaxial del pec&#237olo (Spanish)
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
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
PO:0025242	infructescence axis	A shoot axis that is part of an infructescence.	eje de la infructescencia (Spanish)
PO:0025243	infructescence branch	An infructescence axis that is a branch from a primary or higher order infructescence axis.	ramificaci&#243n de la infructescencia (Spanish)
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
PO:0025245	persistent sepal	A phyllome that develops from a sepal and remains attached to a fruit at maturity.	flower relict; s&#233palo persistente (Spanish)
PO:0025246	persistent tepal	A phyllome that develops from a tepal and remains attached to a fruit at maturity.	flower relict; t&#233palo persistente (Spanish)
PO:0025247	persistent stamen	A phyllome that develops from a stamen and remains attached to a fruit at maturity.	estambre persistente (Spanish); flower relict
PO:0025248	pseudostem	A collective organ part structure that forms a cylindrical false stem composed concentric leaf sheaths.	pseudotallo (Spanish)
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)
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
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)
PO:0025252	seventh order infructescence axis	An infructescence branch arising from a sixth order infructescence axis.	eje de la infructescencia de s&#233ptimo orden (Spanish)
PO:0025253	eighth order infructescence axis	An infructescence branch arising from a seventh order infructescence axis.	eje de la infructescencia de octavo orden (Spanish)
PO:0025254	ninth order infructescence axis	An infructescence branch arising from an eight order infructescence axis.	eje de la infructescencia de noveno orden (Spanish)
PO:0025255	tenth or higher order infructescence axis	An infructescence branch arising from a ninth or higher order infructescence axis.	eje de la infructescencia ded&#233cimo o mayor orden (Spanish)
PO:0025258	procambial cell	A meristematic cell that is part of a portion of procambium.	c&#233lula del procambio (Spanish); procambium cell
PO:0025259	leaf procambium	A portion of shoot procambium tissue that is part of a leaf.	procambio de la hoja (Spanish)
PO:0025260	shoot axis procambium	A portion of shoot procambium that is part of a shoot apical meristem and gives rise to the primary vascular tissue of a shoot axis.
PO:0025261	pericycle cell	A ground tissue cell that is part of a portion of pericycle.	c&#233lula del periciclo (Spanish)
PO:0025263	locule	A plant anatomical space that is a cavity a reproductive structure.	l&#243culo (Spanish); loculus
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.	l&#243culo del esporangio (Spanish); pollen sac locule; sporophyll locule
PO:0025265	sporangium locule	A locule that is a cavity in a sporangium or several fused sporangia.	l&#243culo de la antera (Spanish); spore capsule locule
PO:0025266	ovary locule	A locule that is a cavity in an ovary.	l&#243culo del ovario (Spanish); sporophyll locule
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.	&#243rgano colectivo de una parte de la estructura (Spanish)
PO:0025270	fruit locule	A locule that is a cavity in a fruit and develops from an ovary locule.	l&#243culo del fruto (Spanish)
PO:0025273	stem procambium	A portion of shoot axis procambium gives rise to the primary vascular tissue of a stem.	procambio del tallo (Spanish)
PO:0025274	branch procambium	A portion of shoot axis procambium gives rise to the primary vascular tissue of a branch.	procambio de la ramificaci&#243n (Spanish)
PO:0025278	rhizome scale leaf	A scale leaf that grows from a rhizome.	hoja escamosa del rizoma (Spanish)
PO:0025285	callus parenchyma cell	A parenchyma cell that is part of a plant callus.	c&#233lula parenquim&#225tica del callo (Spanish)
PO:0025286	embryo coleoptile	A coleoptile that is part of a plant embryo.	cole&#243ptile del embri&#243n (Spanish); embryonic coleoptile
PO:0025287	seedling coleoptile	A coleoptile that develops from an embryonic coleoptile.	cole&#243ptile de la pl&#225ntula (Spanish)
PO:0025288	embryo coleorhiza	A coleorhiza that is part of a plant embryo.	coleorriza del embri&#243n (Spanish); embryonic coleorhiza
PO:0025289	seedling coleorhiza	A coleorhiza that develops from an embryonic coleorhiza.	coleorriza de la pl&#225ntula (Spanish)
PO:0025290	embryo hypocotyl	A hypocotyl that is part of a plant embryo.	embryonic hypocotyl; hipoc&#243tile del embri&#243n (Spanish)
PO:0025291	seedling hypocotyl	A hypocotyl that develops from an embryonic hypocotyl.	hipoc&#243tile de la pl&#225ntula (Spanish)
PO:0025292	embryo epicotyl	An epicotyl that is part of a plant embryo.	embryonic epicotyl; epic&#243tile del embri&#243n (Spanish)
PO:0025293	seedling epicotyl	A epicotyl that develops from an embryonic epicotyl.	epic&#243tile de la pl&#225ntula (Spanish)
PO:0025294	embryo mesocotyl	A mesocotyl that is part of a plant embryo.	embryonic mesocotyl; mesoc&#243tile del embri&#243n (Spanish)
PO:0025295	seedling mesocotyl	A mesocotyl that develops from an embryonic mesocotyl.	mesoc&#243tile de la plantual (Spanish)
PO:0025296	embryo radicle	A radicle that is part of a plant embryo.	embryonic radicle; rad&#237cula del embri&#243n (Spanish)
PO:0025297	seedling radicle	A radicle that develops from an embryonic radicle.	rad&#237cula de la pl&#225ntula (Spanish)
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.	op&#233rculo del fruto (Spanish)
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
PO:0025329	calyptra calyx	A calyx that is composed of fused sepals.	caliptra c&#225liz (Spanish); calycine operculum; operculum calyx; outer operculum
PO:0025330	calyptra corolla	A corolla that is composed of fused petals.	caliptra corola (Spanish); corolline operculum; inner operculum; operculum corolla
PO:0025300	embryo hypocotyl-root junction	A hypocotyl-root junction that is part of an embryo axis.	conjunci&#243n del hipoc&#243tile-ra&#237z en el embri&#243n (Spanish); embryonic hypocotyl-root junction
PO:0025301	seedling hypocotyl-root junction	A hypocotyl-root junction that develops from an embryonic hypocotyl-root junction.	conjunci&#243n del hipoc&#243tile-ra&#237z en la pl&#225ntula (Spanish)
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; embri&#243n som&#225tico vegetal (Spanish)
PO:0025303	zygotic plant embryo	A plant embryo that forms as a result of the fusion of gametes.	embri&#243n som&#225tico cigotico (del cigote) (Spanish); zygotic embryo
PO:0025304	cultured zygote-derived plant embryo	A zygotic plant embryo that is grown or maintained in vitro.	cultured zygotic embryo; embri&#243n cultivado derivado del cigoto vegetal (Spanish)
PO:0025305	microspore-derived cultured plant embryo	A cultured somatic plant embryo that develops from isolated microspores.	embri&#243n cultivado derivado de la microspora vegetal (Spanish); microspore-derived haploid embryo
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
PO:0025307	microsporangium wall	A sporangium wall that is part of a microsporangium.	pared del microsporangio (Spanish)
PO:0025308	megasporangium wall	A sporangium wall that is part of a megasporangium.	pared del megasporangio (Spanish)
PO:0025309	microsporangium endothecium	An endothecium that is part of a microsporangium wall.	endotecio del microsporangio (Spanish)
PO:0025310	megasporangium endothecium	An endothecium that is part of a megasporangium wall.	endotecio del megasporangio (Spanish)
PO:0025311	microsporangium exothecium	An exothecium that is part of a microsporangium wall.	exotecio del microsporangio (Spanish); microsporangial exothecium; microsporangium epidermis
PO:0025312	megasporangium exothecium	An exothecium that is part of a megasporangium wall.	exotecio del megasporangio (Spanish); megapsorangial exothecium; megasporangium epidermis
PO:0025313	tapetum	A portion of ground tissue that is the inner-most layer of a sporangium wall.	tapeto (Spanish)
PO:0025314	microsporangium tapetum	An tapetum that is part of a microsporangium wall.	tapeto del microsporangio (Spanish)
PO:0025315	megasporangium tapetum	An tapetum that is part of a megasporangium wall.	tapeto del megasporangio (Spanish)
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)
PO:0025317	axillary hair terminal cell	A trichome cell that is the long terminal cell of an axillary hair.	c&#233lula terminal del pelo axilar (Spanish)
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)
PO:0025319	axillary hair basal cell	A trichome cell that is part of an axillary hair base.	axillary hair base cell; c&#233lula basal del pelo axilar (Spanish)
PO:0025320	cotyledonary node rhizoid	An epidermal rhizoid that grows form a cotyledonary node.	collar rhizoid; rizoide del nodo del cotiled&#243n (Spanish); wurtzelhalsrhizoid
PO:0025321	cotyledonary node	A stem node from which one or more cotyledons grow.	nodo del cotiled&#243n (Spanish)
PO:0025322	hydathode pore	A plant anatomical space that is an opening in a hydathode.	poro del hidatodo (Spanish)
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.	fasc&#237culo floral (Spanish); floral fascicle
PO:0025324	banner petal	A petal that is the top-most petal of a papilionaceous corolla.	p&#233talo estandarte (Spanish); standard; vexillum
PO:0025325	wing petal	One of two lateral petals that is adjacent to the banner petal of a papilionaceous corolla .	p&#233talo ala (Spanish)
PO:0025326	keel petal	A petal that is one of the two lowest petals of a papilionaceous corolla.	p&#233talo quilla (Spanish)
PO:0025327	keel	A boat-shaped collective phyllome structure that consists of the two lowest petals of a papilionaceous corolla.	quilla (Spanish)
PO:0025328	unifacial vascular leaf	A vascular leaf that has increased activity of either the adaxial or abaxial meristem early in development, leading to absence of the opposite surface on the mature leaf.	hoja unifacial; unifacial leaf
PO:0025331	ray flower	A small flower on the margin of a head-type inflorescence (capitulum).	flor del rayo (Spanish); ray floret
PO:0025332	disk flower	A small flower in the center of a head-type inflorescence (capitulum).	disk floret; flor del disco (Spanish)
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
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
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
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
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.	c&#233lula del cloronema (Spanish)
PO:0030002	caulonema cell	A chlorenchyma cell that is part of a caulonema and has cross walls of adjacent cells that are oblique to the protonema axis.	c&#233lula del caulonema (Spanish)
PO:0030003	protonema	A portion of chlorenchyma tissue that develops directly from a spore and grows by division of an apical cell to form filaments that are one cell wide and dicotomously branching.	portion of protonema tissue; protonema (Spanish); protonemata
PO:0030004	chloronema	A portion of protonema tissue that consists of only chloronema cells.	chloronemata; cloronema (Spanish); portion of chloronema tissue
PO:0030005	caulonema	A portion of protonema tissue that consists of only caulonema cells.	caulonema (Spanish); caulonemata; portion of caulonema tissue
PO:0030007	meristematic apical cell	A single meristematic cell at the tip of a plant structure where apical growth occurs.	apical cell; apical initial; c&#233lula apical (Spanish)
PO:0030008	root meristematic apical cell	A sporophyte meristematic apical cell that is part of a root tip.	c&#233lula apical de la ra&#237z (Spanish); root apical cell; root apical initial
PO:0030009	shoot meristematic apical cell	A meristematic apical cell that is part of a shoot system.	c&#233lula apical del epiblasto (Spanish); shoot apical cell; shoot apical initial
PO:0030010	shoot axis meristematic apical cell	A shoot meristematic apical cell that is part of a shoot apex.	c&#233lula apical del eje del epiblasto (Spanish); shoot axis apical cell; shoot axis apical initial
PO:0030011	leaf meristematic apical cell	A shoot meristematic apical cell that is part of a leaf apex.	c&#233lula apical de la hoja (Spanish); leaf apical cell; leaf apical initial
PO:0030012	vascular leaf meristematic apical cell	A leaf meristematic apical cell that is part of the leaf apex of a vascular leaf.	c&#233lula apical de la hoja vascular (Spanish); vascular leaf apical cell; vascular leaf apical initial
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.	c&#233lula apical de la hoja no vascular (Spanish); non-vascular leaf apical cell; non-vascular leaf apical initial; phyllid apical cell; phyllid apical initial
PO:0030014	gametophyte meristematic apical cell	An apical cell that is part of a whole plant in the gametophytic phase.	c&#233lula apical gametof&#237tica (Spanish); gametophyte apical cell; gametophyte apical initial; gametophytic meristematic apical cell
PO:0030015	sporophyte meristematic apical cell	A meristematic apical cell that is part of a whole plant in the sporophytic phase.	c&#233lula apical esporof&#237tica (Spanish); sporophyte apical cell; sporophyte apical initial; sporophytic meristematic apical cell
PO:0030016	seta meristematic apical cell	A shoot axis meristematic apical cell at the tip of a seta.	c&#233lula apical de la seta (Spanish); seta apical cell; seta apical initial
PO:0030017	spore capsule mouth	A plant anatomical space that is the opening on the apical end of a spore capsule.	boca de la c&#225psula productora de esporas (Spanish); sporangium mouth
PO:0030018	gametophore	A shoot system that consists of the shoot axes and non-vascular leaves of a plant in the gametophytic phase.	gamet&#243foro (Spanish)
PO:0030019	gametophore meristematic apical cell	A shoot meristematic apical cell that is part of a gametophore.	c&#233lula apical del gamet&#243foro (Spanish); gametophore apical cell; gametophore apical initial
PO:0030020	gametophore axis	A shoot axis that is part of a gametophore.	caulid; cauloid; eje del gamet&#243foro (Spanish); non-vascular shoot axis
PO:0030021	gametophore branch	A branch that is part of a gametophore.	caulid branch; cauloid branch; non-vascular branch; rama del gamet&#243foro (Spanish)
PO:0030022	gametophore stem	A stem that is part of a gametophore.	caulid stem; cauloid stem; non-vascular stem; tallo del gamet&#243foro (Spanish)
PO:0030023	gametophore axis meristematic apical cell	A shoot axis meristematic apical cell at the tip of a gametophore axis.	c&#233lula apical del eje del gamet&#243foro (Spanish); cauloid apical cell; gametophore axis apical cell; gametophore axis apical initial; non-vascular shoot axis apical cell
PO:0030024	vascular shoot axis meristematic apical cell	A shoot axis meristematic apical cell at the tip of a shoot apex in a shoot system that has as part vascular tissue.	c&#233lula apical del eje del epiblasto vascualr (Spanish); fern shoot axis apical cell; vascular shoot axis apical cell; vascular shoot axis apical initial
PO:0030025	thallus meristematic apical cell	A gametophyte apical cell that is part of a thallus.	c&#233lula apical del talo (Spanish); thallus apical cell; thallus apical initial
PO:0030026	gametophore bud	A vegetative bud that develops into a gametophore.	brown bud; yema del gamet&#243foro (Spanish)
PO:0030027	thallus	A whole plant in the gametophytic phase that has a flat growth form and no distinct organs.	prothallium; talo (Spanish); thalli
PO:0030028	perigonial bract	A bract that subtends an antheridium.	br&#225ctea del perigonio (Spanish); perigonium bract
PO:0030029	sporophyte foot	A plant organ that is the base of a whole plant in the sporophytic phase and attaches it to the gametophore.	pie del esporofito (Spanish)
PO:0030030	perichaetal bract	A bract that subtends an archegonium.	br&#225ctea pericaetal (Spanish); perichaetum bract
PO:0030031	gametophyte perianth	A collective phyllome structure that consists of two or more of the most distal perichaetal bracts on a gametophore axis and surround a capsule.	gametophytic perianth; perianto del grametofito (Spanish)
PO:0030032	seta	A plant axis that holds up a spore capsule.	seta (Spanish); setae
PO:0030033	antheridiophore	A plant axis that bears two or more antheridia on an antheridial head.	anteridi&#243foro (Spanish)
PO:0030034	archegoniophore	A plant axis that bears two or more archegonia on an archegonial head.	arquegoni&#243foro (Spanish)
PO:0030035	antheridium stalk	A stalk that is the basal part of an antheridium.	antheridial stalk; pedC:nculo del anteridio (Spanish)
PO:0030036	archegonium stalk	A stalk that the basal part of an archegonium.	archegonial stalk; pedC:nculo del arquegonio (Spanish)
PO:0030037	spore capsule calyptra	A cardinal organ part that develops from the wall of an archegonium and surrounds a sporangium.	caliptra de la c&#225psula productora de esporas (Spanish)
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)
PO:0030039	archegonium neck	A cardinal organ part that is the elongated apical part of an archegonium.	archegonial neck; cuello del arquegonio (Spanish)
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
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)
PO:0030042	peristome	A single or double circle of peristome teeth inside a sporangium mouth.	peristoma (Spanish)
PO:0030043	peristome tooth	A cardinal organ part that is a single lobe of a peristome.	dientes del peristoma (Spanish)
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.	op&#233rculo de la c&#225psula productora de esporas (Spanish); sporangium lid; spore capsule lid
PO:0030045	stereid	A ground tissue cell with thickened cell walls.	estereida (Spanish); stereid cell
PO:0030046	protonema meristematic apical cell	A gametophyte meristematic apical cell that is part of a protonema.	c&#233lula meristem&#225tica apical del protonema (Spanish); protonema apical cell; protonema apical initial
PO:0030047	hydrome	A portion of plant tissue that has as parts hydroid cells and cells of no other types.	hidromo (Spanish); hydrom; leptoxylem
PO:0030048	leptome	A portion of plant tissue that has as parts leptoid cells and cells of no other types.	leptom; leptomo (Spanish); leptophloem
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
PO:0030050	stereome	A portion of ground tissue that has as parts stereid cells and no other cell types.	estereomo (Spanish)
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)
PO:0030052	antheridium jacket layer cell	A plant cell that is part of an antheridium jacket layer.	antheridium wall cell; capa c&#233lular de la cubierta del anteridio (Spanish); sterile jacket cell
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
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
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)
PO:0030056	archesporial cell	A plant cell that divides to gives rise to a sporocyte and is part of a sporangium.	archesporial initial; c&#233lula arquesporial (Spanish); sporogenous cell
PO:0030057	alar cell	A plant cell located at the base of a non-vascular leaf adjacent to where the leaf attaches to the stem.	c&#233lula alar (Spanish)
PO:0030058	brachycyte	A plant cell that develops from a cell in a protonema and has a thick cell wall.	braquicito (Spanish); brood cell
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; c&#233lula del tmema (Spanish); dlichotmema cell
PO:0030060	gametophore axillary hair	An axillary hair that grows in a leaf axil of a non-vascular leaf.	club hair; pelo axilar del gamet&#243foro (Spanish)
PO:0030061	tmema	A portion of plant tissue that has as parts tmema cells.	tmema (Spanish)
PO:0030062	gametophore axillary hair terminal cell	An axillary hair terminal cell that is the long terminal cell of a gametophore axillary hair.	c&#233lula terminal de pelo axilar del gamet&#243foro (Spanish)
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 gamet&#243foro (Spanish)
PO:0030064	gametophore axillary hair basal cell	An axillary hair basal cell that is part of a gametophore axillary hair base.	c&#233lula basal del pelo axilar del gamet&#243foro (Spanish); gametophore axillary hair base cell
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; c&#233lula del canal del cuello del arquegonio (Spanish)
PO:0030066	archegonium neck canal	A canal in the center of an archegonium neck.	archegonial neck canal; canal del cuello del arquegonio (Spanish)
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)
PO:0030068	epidermal rhizoid initial	An epidermal initial that gives rise to an epidermal rhizoid.	epidermal rhizoid initial cell; rizoide inicial epid&#233rmico (Spanish)
PO:0030069	paraphyllium	A portion of epidermal tissue that is an outgrowth from the epidermis between the leaves of a gametophore axis.	parafilium (Spanish); paraphyllia
PO:0030070	paraphysis	A slender, usually uniseriate multicellular trichome that grows intermixed with the gametangia.	par&#225fisis (Spanish); paraphyses
PO:0030071	epidermal rhizoid	A rhizoid that develops from an epidermal rhizoid initial.	rizoide epid&#233rmico (Spanish)
PO:0030072	costa	A portion of plant tissue that is a single or double strand in the center of a non-vascular leaf and has as part hydrome or leptome.	costa (Spanish); non-vascular leaf midrib; non-vascular leaf midvein; non-vascular leaflet midrib; phyllid costa; phyllid midrib; phyllid midvein
PO:0030073	exothecium	A portion of epidermis that is the outermost layer of a sporangium wall.	epithecium; exotecio (Spanish); sporangium epidermis; sporangium wall exothecium
PO:0030074	archesporium	A portion of plant tissue that is the internal part of a sporangium, bounded by the sporangium wall, and has as parts archesporial cells.	arquesporio (Spanish); sporogenous tissue
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)
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)
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 proton&#233mico (Spanish)
PO:0030078	rhizoid	A plant structure that is a uniseriate filament with positive geotropism that grows from an epidermis or protonema.	rizoide (Spanish)
PO:0030079	protonemal rhizoid	A rhizoid that is part of a protonema and develops from a protonemal side branch rhizoid initial.	rizoide proton&#233mico (Spanish)
PO:0030080	rhizoid meristematic apical cell	A gametophyte meristematic apical cell that is part of a rhizoid.	rhizoid apical cell; rhizoid apical initial
PO:0030081	caulonema meristematic apical cell	A protonema meristematic apical cell that is part of a caulonema.	caulonema apical cell; caulonema apical initial
PO:0030082	chloronema meristematic apical cell	A protonema meristematic apical cell that is part of a chloronema.	chloronema apical cell; chloronema apical initial
PO:0030083	gametophore bud initial	A protonema sub-apical initial hat gives rise to a gametophore bud.	gametophore bud initial cell
PO:0030084	amphithecium	A portion of plant tissue that is the outer layer or layers of a sporangium early in sporangium development.
PO:0030085	protosporangium endothecium	A portion of ground tissue that is the tissue internal to an amphithecium early in sporangium development.	endothecium of protosporangium
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
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