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Open Ontology Resource Library / po

Plant Ontology (PO)

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

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Language

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

English
tracheidUnrated
traqueida (Spanish, exact)Unrated
仮導管 (Japanese, exact)Unrated
region of root maturation (exact)Unrated
root differentiation zoneUnrated
root maturation zone (exact)Unrated
root specialization zone (exact)Unrated
zona de diferenciaci&#243n de la ra&#237z (Spanish, exact)Unrated
根分化帯（層） (Japanese, exact)Unrated
plant embryo coleoptilar stageUnrated
fase protonemica (Spanish, exact)Unrated
protonemal phase (exact)Unrated
protonema phase (exact)Unrated
protonema whole plant development stageUnrated
原糸体を形成する植物発生段階 (Japanese, exact)Unrated
lemma differentiation and expansion stageUnrated
coleorhizaUnrated
coleorriza (Spanish, exact)Unrated
根鞘 (Japanese, exact)Unrated
venterUnrated
vientre (Spanish, exact)Unrated
造卵器腹部 (Japanese, exact)Unrated
leaf lamina intramarginal veinUnrated
vena intramarginal de la lámina de la hoja (Spanish, exact)Unrated
葉身辺縁葉脈 (Japanese, exact)Unrated
aerial tuber pithUnrated
m&#233dula del tub&#233rculo a&#233reo (Spanish, exact)Unrated
むかご（珠芽）髄 (Japanese, exact)Unrated
exotecio del microsporangio (Spanish, exact)Unrated
microsporangial exothecium (exact)Unrated
microsporangium epidermis (exact)Unrated
microsporangium exotheciumUnrated
小胞子嚢外皮 (Japanese, exact)Unrated
espacio intercelular en el mes&#243filo esponjoso de la hoja (Spanish, exact)Unrated
spongy mesophyll intercellular spaceUnrated
海綿状葉肉細胞間間隙 (Japanese, exact)Unrated
cortex (corteza) del paraclado (Spanish, exact)Unrated
inflorescence branch cortex (exact)Unrated
paraclade cortexUnrated
portion of paraclade cortex tissue (exact)Unrated
側生分枝皮層 (Japanese, exact)Unrated
archesporial cellUnrated
archesporial initial (exact)Unrated
c&#233lula arquesporial (Spanish, exact)Unrated
sporogenous cell (exact)Unrated
胞原細胞 (Japanese, exact)Unrated
plant embryo cotyledonary stageUnrated
embryo leafUnrated
embryonic leaf (exact)Unrated
hoja embri&#243nica (Spanish, exact)Unrated
初期の葉、胚葉 (Japanese, exact)Unrated
eje de la infructescencia (Spanish, exact)Unrated
infructescence axisUnrated
果序軸 (Japanese, exact)Unrated
cápsula bicida (exact, Spanish)Unrated
coccarium capsule fruitUnrated
coccarium (exact)Unrated
lokulizide-septifrage kapsule (exact, German)Unrated
inflorescence bifurcation stageUnrated
base del p&#233talo (Spanish, exact)Unrated
petal baseUnrated
花弁基部 (Japanese, exact)Unrated
leaf sheathUnrated
vaina de la hoja (Spanish, exact)Unrated
葉鞘 (Japanese, exact)Unrated
c&#233lula inicial de la epidermis (Spanish, exact)Unrated
epidermal initial (exact)Unrated
plant epidermal initial cellUnrated
表皮始原細胞 (Japanese, exact)Unrated
par&#233nquima de reserva de tub&#233rculo subterr&#225neo (Spanish, exact)Unrated
subterranean tuber storage parenchymaUnrated
地下塊茎 貯蔵柔組織 (Japanese, exact)Unrated
compound cincinnus (exact)Unrated
compound cincinnus inflorescenceUnrated
double cincinnus (exact)Unrated
shoot axis cambial zoneUnrated
zona cambial del eje del epiblasto (Spanish, exact)Unrated
シュート軸形成層 (Japanese, exact)Unrated
lenticelUnrated
lenticela (Spanish, exact)Unrated
皮目 (Japanese, exact)Unrated
shoot system ground meristemUnrated
plant embryo bilateral stageUnrated
collar meristem (exact)Unrated
meristema de engrosamiento primario (Spanish, exact)Unrated
primary thickening meristemUnrated
PTM (exact)Unrated
一次 肥厚（膜）分裂組織 (Japanese, exact)Unrated
cotyledonary nodeUnrated
nodo del cotiled&#243n (Spanish, exact)Unrated
子葉節 (Japanese, exact)Unrated
achäne (exact, German)Unrated
achene (exact)Unrated
achene fruitUnrated
akene (exact)Unrated
aquenio (exact, Spanish)Unrated
&#225pice del epiblasto (epiblastema) (Spanish, exact)Unrated
shoot axis apexUnrated
シュート頂、茎頂 (Japanese, exact)Unrated
fruit placentaUnrated
placenta del fruto (Spanish, exact)Unrated
果実の胎座 (Japanese, exact)Unrated
caliptra de la ra&#237z central (Spanish, exact)Unrated
central root capUnrated
columella cells (exact)Unrated
columella rootcap (exact)Unrated
中心根冠 (Japanese, exact)Unrated
ovule development stageUnrated
espina (Spanish, exact)Unrated
thornUnrated
とげ（spine, prickle) (Japanese, exact)Unrated
IL.01 1/4 inflorescence length reached stageUnrated
2 formation of axillary shoot stageUnrated
endotestaUnrated
endotesta/testa interior (Spanish, exact)Unrated
portion of endotesta tissue (exact)Unrated
外珠皮の内側の表皮から発生する外種皮 (Japanese, exact)Unrated
cat&#225fila en escama (Spanish, exact)Unrated
scale leafUnrated
鱗片葉 (Japanese, exact)Unrated
raceme (exact)Unrated
raceme inflorescenceUnrated
rachilla of sessile spikelet of tasselUnrated
raquilla de la espiguilla s&#233sil del penacho (borla) (Spanish, exact)Unrated
雄穂（花）の無柄小穂の花序軸 (Japanese, exact)Unrated
fruit loculeUnrated
l&#243culo del fruto (Spanish, exact)Unrated
果実室 (Japanese, exact)Unrated
anteridio del microgametofito (Spanish, exact)Unrated
antheridial microgametophyte (exact)Unrated
antheridium microgametophyteUnrated
造精器小胞子体（小配偶体） (Japanese, exact)Unrated
c&#233lula del tubo pol&#237nico (Spanish, exact)Unrated
pollen tube cellUnrated
花粉管細胞 (Japanese, exact)Unrated
ovary septa (exact, plural)Unrated
plant ovary septumUnrated
septo del ovario (Spanish, exact)Unrated
子房隔壁 (Japanese, exact)Unrated
axillary floral bud (exact)Unrated
axillary flower budUnrated
yema de flor axilar (Spanish, exact)Unrated
腋花芽 (Japanese, exact)Unrated
megasporangium tapetumUnrated
tapeto del megasporangio (Spanish, exact)Unrated
大胞子嚢嚢絨毯組織（タペート組織） (Japanese, exact)Unrated
cambium suber&#237geno de la ra&#237z (Spanish, exact)Unrated
root cork cambiumUnrated
根コルク形成層 (Japanese, exact)Unrated
branchUnrated
ramificaci&#243n (Spanish, exact)Unrated
shoot axis branch (exact)Unrated
枝 (Japanese, exact)Unrated
receptacle cortexUnrated
caliptra de la ra&#237z central de la ra&#237z lateral (Spanish, exact)Unrated
central root cap of lateral rootUnrated
側根の中心根冠 (Japanese, exact)Unrated
endodermis del hipoc&#243tile (Spanish, exact)Unrated
hypocotyl endodermisUnrated
胚軸内胚葉 (Japanese, exact)Unrated
cápsula (exact, Spanish)Unrated
capsule (exact)Unrated
capsule fruitUnrated
kapsel (exact, German)Unrated
c&#233lula guardiana (Spanish, exact)Unrated
guard cellUnrated
occlusive cell (exact)Unrated
孔辺細胞 (Japanese, exact)Unrated
endodermis de la ra&#237z (Spanish, exact)Unrated
root endodermisUnrated
根内皮 (Japanese, exact)Unrated
early whole plant fruit ripening stageUnrated
LP.08 eight leaves visible stageUnrated
micr&#243pila de la semilla (Spanish, exact)Unrated
seed micropyleUnrated
種子珠孔 (Japanese, exact)Unrated
early rosette growth stageUnrated
inflorescenceUnrated
inflorescencia (Spanish, exact)Unrated
花序 (Japanese, exact)Unrated
epidermis abaxial de la vaina de la hoja (Spanish, exact)Unrated
leaf sheath abaxial epidermisUnrated
葉鞘背軸側表皮 (Japanese, exact)Unrated
base del esporangio (Spanish, exact)Unrated
sporangium baseUnrated
sporangium neck (exact)Unrated
胞子嚢基部 (Japanese, exact)Unrated
inflorescence budUnrated
yema de inflorescencia (Spanish, exact)Unrated
花序芽 (Japanese, exact)Unrated
axillary hair terminal cellUnrated
c&#233lula terminal del pelo axilar (Spanish, exact)Unrated
腋毛終端細胞 (Japanese, exact)Unrated
primary shoot systemUnrated
sistema axilar primario (Spanish, exact)Unrated
一次分げつ系 (Japanese, exact)Unrated
sin&#233rgida (Spanish, exact)Unrated
synergidUnrated
助細胞 (Japanese, exact)Unrated
carpel epidermisUnrated
epidermis del carpelo (Spanish, exact)Unrated
心皮 表皮 (Japanese, exact)Unrated
BO.05 flag leaf sheath opened stageUnrated
perispermUnrated
perisperma (Spanish, exact)Unrated
portion of perisperm tissue (exact)Unrated
外胚乳 (Japanese, exact)Unrated
abscission zoneUnrated
zona de absici&#243n (Spanish, exact)Unrated
離層 (Japanese, exact)Unrated
c&#233lula larga (Spanish, exact)Unrated
long cellUnrated
長細胞 (Japanese, exact)Unrated
LP.04 four leaves visible stageUnrated
aerial tuber interfascicular regionUnrated
regi&#243n interfascicular de tub&#233rculo a&#233reo (Spanish, exact)Unrated
むかご（珠芽）維管束間領域 (Japanese, exact)Unrated
porci&#243n del tejido de transmisi&#243n (Spanish, exact)Unrated
portion of transmitting tissueUnrated
伝達組織の一部 (Japanese, exact)Unrated
higher order leaf veinUnrated
vena de alto orden (Spanish, exact)Unrated
高次葉脈 (Japanese, exact)Unrated
spine petioleUnrated
protonemal rhizoidUnrated
rizoide proton&#233mico (Spanish, exact)Unrated
原糸体仮根 (Japanese, exact)Unrated
multi-tissue plant structure development stageUnrated
portion of shoot-borne root primordium tissue (exact)Unrated
primordio del eje del epiblasto de la ra&#237z (Spanish, exact)Unrated
shoot-borne root primordiumUnrated
シュート細胞由来の根原基（可視的） (Japanese, exact)Unrated
epidermis de la cubierta de la semilla (Spanish, exact)Unrated
seed coat epidermisUnrated
種子種皮表皮 (Japanese, exact)Unrated
endodermis de la hoja (Spanish, exact)Unrated
leaf endodermisUnrated
葉内皮 (Japanese, exact)Unrated
seed hair (exact)Unrated
seed trichomeUnrated
tricoma de la semilla (Spanish, exact)Unrated
種子毛（毛茸、糸状体、毛状突起体） (Japanese, exact)Unrated
eje de séptimo orden de la inflorescencia (Spanish, exact)Unrated
seventh order inflorescence axisUnrated
sixth order inflorescence branch (exact)Unrated
&#243rgano colectivo de una parte de la estructura (Spanish, exact)Unrated
collective organ part structureUnrated
集合的器官の部分構造 (Japanese, exact)Unrated
leaf mesophyllUnrated
mes&#243filo de la hoja (Spanish, exact)Unrated
葉の葉肉 (Japanese, exact) (exact)Unrated
chalazal cystUnrated
ciste calazal (Spanish, exact)Unrated
portion of chalazal cyst (exact)Unrated
カラザの嚢 (Japanese, exact)Unrated
l&#243culo del ovario (Spanish, exact)Unrated
plant ovary loculeUnrated
子房室 (Japanese, exact)Unrated
c&#233lula epid&#233rmica de la ra&#237z (Spanish, exact)Unrated
root epidermal cellUnrated
根表皮細胞 (Japanese, exact)Unrated
extremo proximal del pec&#237olo (Spanish, exact)Unrated
petiole proximal endUnrated
葉柄 近位端 (Japanese, exact)Unrated
punta del t&#233palo (Spanish, exact)Unrated
tepal tipUnrated
花被片先端 (Japanese, exact)Unrated
m&#233dula (Spanish, exact)Unrated
medulla (exact)Unrated
pithUnrated
髄 (Japanese, exact)Unrated
fibra del floema septada (Spanish, exact)Unrated
septate phloem fiber cellUnrated
隔壁師部 fiber cell (Japanese, exact)Unrated
root vascular systemUnrated
sistema vascular de la ra&#237z (Spanish, exact)Unrated
根維管系 (Japanese, exact)Unrated
m&#233dula del eje del epiblasto (epiblastema) (Spanish, exact)Unrated
shoot axis pithUnrated
シュート軸髄 (Japanese, exact)Unrated
&#225pice en zarzillo de la hoja (Spanish, exact)Unrated
leaf apex tendrilUnrated
葉先巻きひげ (Japanese, exact)Unrated
SE.02 two nodes or internodes visible stageUnrated
androecia (exact, plural)Unrated
androecio (Spanish, exact)Unrated
androeciumUnrated
androecium of tassel floret (exact)Unrated
androecium of upper floret of pedicellate spikelet of tassel (exact)Unrated
雄蕊群 (Japanese, exact)Unrated
endotecio del microsporangio (Spanish, exact)Unrated
microsporangium endotheciumUnrated
小胞子嚢内皮 (Japanese, exact)Unrated
free petalUnrated
petalo libre (Spanish, exact)Unrated
遊離花弁 (Japanese, exact)Unrated
SE.07 seven nodes or internodes visible stageUnrated
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