Plant Ontology (PO)

Name: Plant Ontology (PO)
Published: 2026-11-13T13:43:55.915259Z

Selected English labels and exact synonyms from the Plant Ontology (PO), release 2026-01-09, with source identifiers and spelling preserved. Licensed CC BY 4.0; full attribution is listed under Sources. Under semantic review; not endorsed by the ontology's maintainers.

Curator: Chloe Harris

Languages shown reflect this page; source translations may cover only some concepts.

English
spore capsule valveUnrated valva de la c&#225psula de musgo (Spanish, exact)Unrated コケ類　蒴（さく）弁 (Japanese, exact)Unrated
branch steleUnrated estela de la ramificaci&#243n (Spanish, exact)Unrated 枝中心柱 (Japanese, exact)Unrated
fused petalUnrated petalo fusionado (Spanish, exact)Unrated 融合花弁 (Japanese, exact)Unrated
caulid stem (exact)Unrated cauloid stem (exact)Unrated gametophore stemUnrated non-vascular stem (exact)Unrated tallo del gamet&#243foro (Spanish, exact)Unrated 茎葉体の茎 (Japanese, exact)Unrated
centro de division de c&#233lulas del meristema (Spanish, exact)Unrated quiescent centerUnrated 静止中心 (Japanese, exact)Unrated
punta de la ra&#237z (Spanish, exact)Unrated root tipUnrated 根端 (Japanese, exact)Unrated
persistent tepalUnrated t&#233palo persistente (Spanish, exact)Unrated 宿存花被片 (Japanese, exact)Unrated
fully expanded palea stageUnrated
boragoid (exact)Unrated cincinni (exact, plural)Unrated cincinnus (exact)Unrated cincinnus inflorescenceUnrated congenital cincinnus (exact)Unrated homaxone (exact)Unrated
antheridial sperm cell (exact)Unrated antheridium sperm cellUnrated antherozoid (exact)Unrated c&#233lula esperm&#225tica del anteridio (Spanish, exact)Unrated spermatozoid (exact)Unrated 造精器精子細胞 (Japanese, exact)Unrated
bracteola (Spanish, exact)Unrated bracteoleUnrated bractlet (exact)Unrated 小苞 (Japanese, exact)Unrated
coleorhiza emergence stageUnrated
false ovary septum (exact)Unrated placental septum (exact)Unrated plant ovary replumUnrated replo (replum) del ovario (Spanish, exact)Unrated 子房隔膜 (Japanese, exact)Unrated
etapa latente del gametofito (Spanish, exact)Unrated gametophyte dormancy stage (exact)Unrated gametophyte dormant stageUnrated gametophytic dormant stage (exact)Unrated 配偶体休眠期 (Japanese, exact)Unrated
anther wall endotheciumUnrated endotecio de la pared the la antera (Spanish, exact)Unrated pollen sac endothecium (exact)Unrated 葯壁内皮 (Japanese, exact)Unrated
embri&#243n cultivado derivado de la microspora vegetal (Spanish, exact)Unrated microspore-derived cultured plant embryoUnrated microspore-derived haploid embryo (exact)Unrated 小胞子由来培養植物胚 (Japanese, exact)Unrated
c&#233lula del tricoma (Spanish, exact)Unrated trichome cellUnrated 毛（毛茸、糸状体）細胞 (Japanese, exact)Unrated
transition zoneUnrated zona de transici&#243n (Spanish, exact)Unrated 移行領域、移行帯、移行域 (Japanese, exact)Unrated
leaf vascular systemUnrated sistema vascular de la hoja (Spanish, exact)Unrated 葉維管系 (Japanese, exact)Unrated
collective phyllome structure development stageUnrated estado de desarrollo de la estructura colectiva del filoma (Spanish, exact)Unrated
estr&#243bilo (Spanish, exact)Unrated strobili (exact, plural)Unrated strobilusUnrated 胞子嚢穂,　球花 (Japanese, exact)Unrated
alar cellUnrated c&#233lula alar (Spanish, exact)Unrated 翼細胞 (Japanese, exact)Unrated
cavidad subestom&#225tica del filoma (Spanish, exact)Unrated phyllome substomatal cavityUnrated フィロム気孔下腔、フィロム呼吸腔 (Japanese, exact)Unrated
SE.99 maximum stem length reached stageUnrated
cortex (corteza) del emrbion (Spanish, exact)Unrated embryo cortexUnrated 胚皮層 (Japanese, exact)Unrated
pappi (exact, plural)Unrated pappusUnrated 冠毛 (Japanese, exact)Unrated
&#225pice de la hoja (Spanish, exact)Unrated leaf apexUnrated 葉先 (Japanese, exact)Unrated
F four nucleate megagametophyte stageUnrated
filament vascular systemUnrated sistema vascular del filamento (Spanish, exact)Unrated 花糸維管系 (Japanese, exact)Unrated
complejo estom&#225tico del p&#233talo (Spanish, exact)Unrated petal epidermal stomatal complex (exact)Unrated petal epidermis stomatal complex (exact)Unrated petal stomatal complexUnrated 花弁気孔装置 (Japanese, exact)Unrated
bud development stageUnrated
cubierta de la semilla (Spanish, exact)Unrated portion of seed coat tissue (exact)Unrated seed coatUnrated 種子種皮 (Japanese, exact)Unrated
internodo del epiblasto (epiblastema) (Spanish, exact)Unrated shoot axis internodeUnrated シュート節間 (Japanese, exact)Unrated
long lateral tassel branch meristemUnrated meristema de la ramificaci&#243n larga del penacho (borla) (Spanish, exact)Unrated 雄穂の長側枝の分裂組織 (Japanese, exact)Unrated
micr&#243pila (Spanish, exact)Unrated ovular micropyle (exact)Unrated plant ovule micropyleUnrated 孔 (Japanese, exact)Unrated
epithecium (exact)Unrated exotecio (Spanish, exact)Unrated exotheciumUnrated sporangium epidermis (exact)Unrated sporangium wall exothecium (exact)Unrated 葯の表皮（外膜) (Japanese, exact)Unrated
beginning of whole plant fruit ripening stageUnrated
arista de la lemma (Spanish, exact)Unrated lemma awnUnrated 外頴芒 (Japanese, exact)Unrated
tmemaUnrated tmema (Japanese, exact)Unrated tmema (Spanish, exact)Unrated
septa (exact, plural)Unrated septo (Spanish, exact)Unrated septumUnrated 隔壁 (Japanese, exact)Unrated
l&#225mina (ala) del pec&#237olo (Spanish, exact)Unrated petiole laminaUnrated 葉柄葉身、葉片 (Japanese, exact)Unrated
&#243vulo vegetal (Spanish, exact)Unrated plant ovuleUnrated 胚珠 (Japanese, exact)Unrated
epidermis del t&#233palo (Spanish, exact)Unrated tepal epidermisUnrated 花被片表皮 (Japanese, exact)Unrated
eje de la inflorescencia (Spanish, exact)Unrated inflorescence axisUnrated
regi&#243n interfascicular de tub&#233rculo subterr&#225neo (Spanish, exact)Unrated subterranean tuber interfascicular regionUnrated 地下塊茎維管束間領域 (Japanese, exact)Unrated
anther septumUnrated septo de la antera (Spanish, exact)Unrated 葯隔壁 (Japanese, exact)Unrated
polyarch protoxylemUnrated protoxilema poliarco (Spanish, exact)Unrated 多原型原生木部 (Japanese, exact)Unrated
inflorescencia de segundo orden (Spanish, exact)Unrated secondary inflorescence (exact)Unrated second order inflorescenceUnrated 第二花序 (Japanese, exact)Unrated
infructescenceUnrated infructescencia (Spanish, exact)Unrated 果序 (Japanese, exact)Unrated
peridermUnrated peridermis (Spanish, exact)Unrated portion of peridermal tissue (exact)Unrated portion of periderm tissue (exact)Unrated 周皮 (Japanese, exact)Unrated
4 root elongation stageUnrated
embryo hypocotylUnrated embryonic hypocotyl (exact)Unrated hipoc&#243tile del embri&#243n (Spanish, exact)Unrated 胚下胚軸 (Japanese, exact)Unrated
rosette growth complete stageUnrated
meristema del n&#243dulo de la ra&#237z (Spanish, exact)Unrated root nodule meristemUnrated 根粒分裂組織 (Japanese, exact)Unrated
whole plant fruit ripening complete stageUnrated
aur&#237cula de la vaina de la hoja (Spanish, exact)Unrated leaf sheath auricleUnrated leaf sheath ear (exact)Unrated 葉鞘葉耳 (Japanese, exact)Unrated
secondary vascular tissueUnrated tejido vascular secundario (Spanish, exact)Unrated 二次維管組織 (Japanese, exact)Unrated
leaf lamina vascular systemUnrated sistema vascular de la l&#225mina de la hoja (Spanish, exact)Unrated 葉身維管系 (Japanese, exact)Unrated
cotyledon abaxial epidermisUnrated epidermis abaxial de cotiled&#243n (Spanish, exact)Unrated 子葉背軸側表皮 (Japanese, exact)Unrated
1 floral meristem visible (exact)Unrated floral organ meristem development stageUnrated
estela (Spanish, exact)Unrated steleUnrated 中心柱, central cylinder (Japanese, exact)Unrated
secondary xylem vesselUnrated vaso del xilema secundario (Spanish, exact)Unrated 二次木質部導管 (Japanese, exact)Unrated
FL.00 first flower(s) open stageUnrated
cambium suber&#237geno del &#225pice del epiblasto (Spanish, exact)Unrated shoot axis cork cambiumUnrated シュート軸コルク形成層 (Japanese, exact)Unrated
espacio intercelular del mes&#243filo en palisada (Spanish, exact)Unrated palisade mesophyll intercellular spaceUnrated 柵状葉肉細胞間間隙 (Japanese, exact)Unrated
elemento de traqueida (Spanish, exact)Unrated tracheary elementUnrated 管状要素 (Japanese, exact)Unrated
estol&#243n (Spanish, exact)Unrated stolonUnrated ストロン、ほふく茎 (Japanese, exact)Unrated
cultured somatic plant embryoUnrated embri&#243n som&#225tico cultivado (Spanish, exact)Unrated 培養植物体細胞不定胚 (Japanese, exact)Unrated
shoot axis perimedullary zoneUnrated zona perimedular de eje del epiblasto (epiblastema) (Spanish, exact)Unrated シュート軸髄冠 (Japanese, exact)Unrated
leaf abaxial trichomeUnrated tricoma de la superficie abaxial de la hoja (Spanish, exact)Unrated 葉背軸側毛（毛茸、糸状体） (Japanese, exact)Unrated
lodicule development stageUnrated
estado de desarrollo del filoma (Spanish, exact)Unrated phyllome development stageUnrated
protoxilema exarco del sistema del epiblasto (Spanish, exact)Unrated shoot system exarch protoxylemUnrated シュート組織外原型原生木部 (Japanese, exact)Unrated
cut&#237cula (Spanish, exact)Unrated plant cuticleUnrated 植物クチクラ (Japanese, exact)Unrated
epiblasto (epiblastema) axilar de tub&#233rculo subterr&#225neo (Spanish, exact)Unrated subterranean tuber axillary shootUnrated tuber sprout (exact)Unrated 地下塊茎腋分げつ (Japanese, exact)Unrated
meristema marginal del filoma (Spanish, exact)Unrated phyllome marginal meristemUnrated phyllome margin meristem (exact)Unrated フィロム縁分裂細胞 (Japanese, exact)Unrated
C tetrad of megaspores stageUnrated
anther wallUnrated pared de la antera (Spanish, exact)Unrated pollen sac wall (exact)Unrated 葯壁 (Japanese, exact)Unrated
chalazal and micropylar domain establishment stageUnrated
branch tendrilUnrated rama en zarzillo (Spanish, exact)Unrated 枝巻きひげ (Japanese, exact)Unrated
c&#233lula inicial fusiforme (Spanish, exact)Unrated fusiform initial cellUnrated fusiform initial (exact)Unrated 紡錘形始原細胞 (Japanese, exact)Unrated
microgametophyte development stageUnrated
archegonial stalk (exact)Unrated archegonium stalkUnrated ped&#250nculo del arquegonio (Spanish, exact)Unrated 造卵器柄 (Japanese, exact)Unrated
cell differentiation stage of secondary xylemUnrated etapa de diferenciaci&#243 celular del xilema secundario (Spanish, exact)Unrated 二次木部の細胞分化期 (Japanese, exact)Unrated
compound spike (exact)Unrated compound spike inflorescenceUnrated double spike (exact)Unrated heterothetic compound spike (exact)Unrated
inflorescence emergence stageUnrated
fiber tracheidUnrated fiber tracheid cell (exact)Unrated fibrotraqueida (Spanish, exact)Unrated 繊維仮導管 (Japanese, exact)Unrated
bundle sheath extensionUnrated extensi&#243n de la vaina vascular (Spanish, exact)Unrated 維管束鞘延長部 (Japanese, exact)Unrated
shoot axis rind (exact)Unrated shoot axis tegument layerUnrated
B meiosis of megaspore mother cell stageUnrated
inicial estom&#225tica (meristemoide inicial) (Spanish, exact)Unrated stomatal initial cellUnrated stomatal initial (exact)Unrated stomatal meristemoid (exact)Unrated 気孔始原細胞 (Japanese, exact)Unrated
basal endosperm transfer layerUnrated capa de transferencia del endosperma basal (Spanish, exact)Unrated 基底胚乳転送層 (Japanese, exact)Unrated
disc floret (exact)Unrated disk floret (exact)Unrated disk flowerUnrated flor del disco (Spanish, exact)Unrated 中心花 (Japanese, exact)Unrated
FL.04 end of flowering stageUnrated
BO.04 flag leaf sheath opening stageUnrated
meristema apical del epiblasto (epiblastema) (Spanish, exact)Unrated SAM (exact)Unrated shoot apical meristemUnrated 茎頂分裂組織 (Japanese, exact)Unrated
ectocarp (exact)Unrated epicarp (exact)Unrated exocarpUnrated exocarpo (Spanish, exact)Unrated flavedo (exact)Unrated fruit epidermis (exact)Unrated portion of exocarp tissue (exact)Unrated 外果皮 (Japanese, exact)Unrated
anterafe (Spanish, exact)Unrated antirapheUnrated 胚珠の縫線と反対側にある組織 (Japanese, exact)Unrated
c&#233lula apical del eje del epiblasto vascualr (Spanish, exact)Unrated fern shoot axis apical cell (exact)Unrated vascular shoot axis apical cell (exact)Unrated vascular shoot axis apical initial (exact)Unrated vascular shoot axis meristematic apical cellUnrated 維管束を持つシュート軸分裂組織の頂端細胞 (Japanese, exact)Unrated
protoxilema tetrarco (Spanish, exact)Unrated tetrarch protoxylemUnrated 四原型原生木部 (Japanese, exact)Unrated

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