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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
axial systemUnrated
longitudinal system (exact)Unrated
sistema axial (Spanish, exact)Unrated
vertical system (exact)Unrated
軸系 (Japanese, exact)Unrated
cambium fascicular (Spanish, exact)Unrated
fascicular cambiumUnrated
維管束内形成層 (Japanese, exact)Unrated
elemento de tubo criboso del floema secundario (Spanish, exact)Unrated
secondary phloem sieve tube elementUnrated
secondary phloem sieve-tube element (exact)Unrated
secondary phloem sieve tube member (exact)Unrated
二次師部（師管部） 篩管要素 (Japanese, exact)Unrated
sistema vascular del t&#233palo (Spanish, exact)Unrated
tepal vascular systemUnrated
花被片維管系 (Japanese, exact)Unrated
portion of stamen primordium tissue (exact)Unrated
primordio de estambre (Spanish, exact)Unrated
stamen primordia (exact, plural)Unrated
stamen primordiumUnrated
雄蕊原基（可視的） (Japanese, exact)Unrated
ear pedicellate spikeletUnrated
espiga pedicelada de la espiguilla (Spanish, exact)Unrated
雌穂（花）の有柄小穂 (Japanese, exact)Unrated
anther wall inner secondary parietal cell layerUnrated
capa interna secundaria de c&#233lulas parietales (Spanish, exact)Unrated
pollen sac inner secondary parietal cell layer (exact)Unrated
葯壁内二次側膜細胞層 (Japanese, exact)Unrated
pedicelo de la espiguilla (Spanish, exact)Unrated
spikelet pedicelUnrated
小穂小花柄 (Japanese, exact)Unrated
gluma inferior de la espiguilla pedicelada del penacho (borla) (Spanish, exact)Unrated
lower glume of pedicellate spikelet of tasselUnrated
雄穂（花）の有柄小穂の第一苞頴(first glume) (Japanese, exact)Unrated
eje de sexto orden de la inflorescencia (Spanish, exact)Unrated
fifth order inflorescence branch (exact)Unrated
sixth order inflorescence axisUnrated
espinilla (Spanish, exact)Unrated
prickleUnrated
いが、刺状突起 (Japanese, exact)Unrated
etapa de desarrollo del gamet&#243foro vegetativo de la planta entera (Spanish, exact)Unrated
gametophore vegetative whole plant development stageUnrated
茎葉体栄養生長 (Japanese, exact)Unrated
fruit initiation stageUnrated
gameta (Spanish, exact)Unrated
plant gameteUnrated
配偶子 (Japanese, exact)Unrated
placentaUnrated
placentae (exact, plural)Unrated
placentas (exact, plural)Unrated
placenta (Spanish, exact)Unrated
portion of placenta tissue (exact)Unrated
胎座 (Japanese, exact)Unrated
cotyledon vascular systemUnrated
sistema vascular del cotiled&#243n (Spanish, exact)Unrated
子葉維管系 (Japanese, exact)Unrated
pneumatophoreUnrated
通気根、呼吸根 (Japanese, exact)Unrated
subterranean tuber axillary vegetative budUnrated
yema vegetativa axilar de tub&#233rculo subterr&#225neo (Spanish, exact)Unrated
地下塊茎腋栄養芽 (Japanese, exact)Unrated
pulv&#237nulo (Spanish, exact)Unrated
pulvini (exact, plural)Unrated
pulvinusUnrated
葉枕 (Japanese, exact)Unrated
c&#233lula procambial de la hoja (Spanish, exact)Unrated
dispersed meristematic cell (exact)Unrated
DMC (exact)Unrated
leaf procambial cellUnrated
leaf procambium cell (exact)Unrated
葉前形成層細胞 (Japanese, exact)Unrated
velamenUnrated
velamen (Spanish, exact)Unrated
velamina (exact, plural)Unrated
根被（套被） (Japanese, exact)Unrated
megasporangiate strobilusUnrated
anther wall secondary parietal cell layerUnrated
capa secundaria de c&#233lulas parietales (Spanish, exact)Unrated
pollen sac secondary parietal cell layer (exact)Unrated
葯壁二次側膜細胞層、壁細胞層 (Japanese, exact)Unrated
floema incluido (Spanish, exact)Unrated
floema interno (Spanish, exact)Unrated
included phloemUnrated
材内師部 (Japanese, exact)Unrated
archegonial egg cell (exact)Unrated
archegonium egg cellUnrated
ooc&#233lula del arquegonio (Spanish, exact)Unrated
造卵器卵細胞 (Japanese, exact)Unrated
complejo estom&#225tico del filoma (Spanish, exact)Unrated
phyllome epidermal stomatal complex (exact)Unrated
phyllome epidermis stomatal complex (exact)Unrated
phyllome stomatal complexUnrated
フィロム 気孔装置 (Japanese, exact)Unrated
epidermis de la ra&#237z (Spanish, exact)Unrated
root epidermisUnrated
根表皮 (Japanese, exact)Unrated
barra de la traqueida (Spanish, exact)Unrated
tracheid barUnrated
仮導管の筋、縞 (Japanese, exact)Unrated
c&#233lula inicial de la columela del caliptra de la ra&#237z (Spanish, exact)Unrated
columella root cap initial cellUnrated
columella root cap initial (exact)Unrated
columella root cap stem cell (exact)Unrated
columella stem cell (exact)Unrated
柱軸根冠始原細胞 (Japanese, exact)Unrated
nodo del tallo (Spanish, exact)Unrated
stem nodeUnrated
茎節 (Japanese, exact)Unrated
savia del floema del epiblasto (Spanish, exact) (exact)Unrated
shoot system xylem sapUnrated
シュート組織木部樹液 (Japanese, exact) (exact)Unrated
axila de la ramificaci&#243n (Spanish, exact)Unrated
branch axilUnrated
枝腋 (Japanese, exact)Unrated
epidermis del integumento interior (Spanish, exact)Unrated
inner integument epidermisUnrated
内珠皮表皮 (Japanese, exact)Unrated
estipelo (Spanish, exact)Unrated
stipelUnrated
小托葉 (Japanese, exact)Unrated
&#225pice vegetativo del epiblasto (epiblastema) (Spanish, exact)Unrated
vegetative shoot apexUnrated
栄養シュート頂、栄養枝頂 (Japanese, exact)Unrated
root system phloem sapUnrated
savia del floema del sistema de la raiz (Spanish, exact)Unrated
根組織師管液 (Japanese, exact)Unrated
cotiled&#243n (Spanish, exact)Unrated
cotyledonUnrated
seed leaf (exact)Unrated
子葉 (Japanese, exact)Unrated
archegonium initial cellUnrated
archegonium initial (exact)Unrated
造卵器始原細胞 (Japanese, exact)Unrated
atrichoblast (exact)Unrated
atricoblasto (Spanish, exact)Unrated
non-hair root epidermal cellUnrated
非毛根形成細胞、アトリコブラスト (Japanese, exact)Unrated
LP.14 fourteen leaves visible stageUnrated
etapa de bios&#237ntesis de la pared secundaria del tricoma de la semilla (Spanish, exact)Unrated
seed hair secondary wall biosynthesis stage (exact)Unrated
seed trichome secondary wall biosynthesis stageUnrated
種子毛二次壁生合成段階 (Japanese, exact)Unrated
petal primordium visible stageUnrated
c&#233lula primaria del endosperma (Spanish, exact)Unrated
primary endosperm cellUnrated
一次胚乳細胞 (Japanese, exact)Unrated
complejo estom&#225tico de la superficie abaxial de la hoja (Spanish, exact)Unrated
leaf abaxial epidermal stomatal complex (exact)Unrated
leaf abaxial epidermis stomatal complex (exact)Unrated
leaf abaxial stomatal complexUnrated
葉背軸側気孔装置 (Japanese, exact)Unrated
cladodeUnrated
cladodio (Spanish, exact)Unrated
cladophyll (exact)Unrated
phylloclade (exact)Unrated
扁茎、仮葉枝、葉状茎 (Japanese, exact)Unrated
SE.04 four nodes or internodes visible stageUnrated
rachilla of sessile spikelet of earUnrated
raquilla de la espiguilla s&#233sil de la espiga (Spanish, exact)Unrated
雌穂（花）の無柄小穂の小軸 (Japanese, exact)Unrated
par&#233nquima de la madera (Spanish, exact)Unrated
secondary xylem parenchymaUnrated
wood parenchyma (exact)Unrated
二次木部柔組織 (Japanese, exact)Unrated
axillary bud meristemUnrated
meristema de yema axilar (Spanish, exact)Unrated
腋芽分裂組織 (Japanese, exact)Unrated
subterranean tuber perimedullary zoneUnrated
zona perimedular del tub&#233rculo subterr&#225neo (Spanish, exact)Unrated
地下塊茎 髄冠 (Japanese, exact)Unrated
epidermal rhizoid initial cellUnrated
epidermal rhizoid initial (exact)Unrated
rizoide inicial epid&#233rmico (Spanish, exact)Unrated
表皮仮根始原細胞 (Japanese, exact)Unrated
aer&#233nquima (Spanish, exact)Unrated
aerenchymaUnrated
通気組織 (Japanese, exact)Unrated
archegonium central cellUnrated
造卵器中央細胞 (Japanese, exact)Unrated
op&#233rculo de la semilla (Spanish, exact)Unrated
portion of seed operculum tissue (exact)Unrated
seed lid (exact)Unrated
seed opercula (exact, plural)Unrated
seed operculumUnrated
種子蘚蓋 (Japanese, exact)Unrated
anther loculeUnrated
l&#243culo del esporangio (Spanish, exact)Unrated
pollen sac locule (exact)Unrated
葯室 (Japanese, exact)Unrated
diente de la lámina de la hoja (Spanish, exact)Unrated
leaf lamina teeth (exact, plural)Unrated
leaf lamina toothUnrated
葉身歯 (Japanese, exact)Unrated
cauline paracladeUnrated
paraclado caulinar (Spanish, exact)Unrated
茎側生分枝 (Japanese, exact)Unrated
root-borne shoot systemUnrated
sistema de epiblasto (epiblastema) que nace en la ra&#237z (Spanish, exact)Unrated
根由来苗条系 (Japanese, exact)Unrated
flower meristem transition stageUnrated
articulated laticiferUnrated
latic&#237fero articulado (Spanish, exact)Unrated
portion of articulated laticifer tissue (exact)Unrated
連合乳管（有節乳管） (Japanese, exact)Unrated
fused tepalUnrated
t&#233palo fusionado (Spanish, exact)Unrated
融合花被片 (Japanese, exact)Unrated
fruit valveUnrated
valva de fruto (Spanish, exact)Unrated
果実の弁 (Japanese, exact)Unrated
eighth order inflorescence branch (exact)Unrated
eje de noveno orden de la inflorescencia (Spanish, exact)Unrated
ninth order inflorescence axisUnrated
c&#233lula de pasaje endod&#233rmica (Spanish, exact)Unrated
endodermal passage cellUnrated
内胚葉通過細胞 (Japanese, exact)Unrated
late whole plant fruit ripening stageUnrated
2 floral meristem notched (exact)Unrated
floral organ primordium development stageUnrated
placentoidUnrated
plancentoide (Spanish, exact)Unrated
胎座様 (Japanese, exact)Unrated
brown rice (exact)Unrated
cariopse (exact, Spanish)Unrated
cariópside (exact, Spanish)Unrated
caryopse (exact, German)Unrated
caryopsides (exact)Unrated
caryopsis (exact)Unrated
caryopsis fruitUnrated
cereal (exact)Unrated
dehulled grain (exact)Unrated
dehulled kernel (exact)Unrated
grain (exact)Unrated
kernel (exact)Unrated
polished rice (exact)Unrated
mestome sheathUnrated
vaina del mestoma (Spanish, exact)Unrated
メストム鞘、維管束鞘の内側、維管束鞘延長部 (Japanese, exact)Unrated
IE.02 1/2 of inflorescence emerged from flag leaf sheath stageUnrated
fruit size 30 to 50% stageUnrated
radicle emergence stageUnrated
1 pattern formation stageUnrated
epidermis abaxial del pec&#237olo (Spanish, exact)Unrated
petiole abaxial epidermisUnrated
葉柄背軸側 表皮 (Japanese, exact)Unrated
mericarpUnrated
mericarpo (Spanish, exact)Unrated
分果 (Japanese, exact)Unrated
anther wall outer secondary parietal cell layerUnrated
capa externa secundaria de c&#233lulas parietales (Spanish, exact)Unrated
pollen sac outer secondary parietal cell layer (exact)Unrated
葯壁外二次側膜細胞層、壁細胞層 (Japanese, exact)Unrated
c&#233lula embri&#243nica vegetal (Spanish, exact)Unrated
embryonic plant cell (exact)Unrated
embryo plant cellUnrated
胚性植物細胞 (Japanese, exact)Unrated
florete inferior de la espiguilla pedicelada (Spanish, exact)Unrated
lower floret of pedicellate spikelet of tasselUnrated
雄穂（花）の有柄小穂の下位小花 (Japanese, exact)Unrated
kürbisfrucht (exact, German)Unrated
pepo (exact)Unrated
pepo fruitUnrated
pepónide (exact, Spanish)Unrated
eje del embri&#243n (Spanish, exact)Unrated
hypocotyl-root axis (exact)Unrated
plant embryo axisUnrated
植物胚軸 (Japanese, exact)Unrated
whole plant fruit formation stage 30 to 50%Unrated
perimedullary zoneUnrated
zona perimedular (Spanish, exact)Unrated
髄冠 (Japanese, exact)Unrated
epidermis abaxial del t&#233palo (Spanish, exact)Unrated
tepal abaxial epidermisUnrated
花被片背軸側 表皮 (Japanese, exact)Unrated
leaf trichomeUnrated
tricoma de hoja (Spanish, exact)Unrated
葉毛（毛茸、糸状体） (Japanese, exact)Unrated
margen del s&#233palo (Spanish, exact)Unrated
sepal marginUnrated
がく片縁 (Japanese, exact)Unrated
leaf rachis tendrilUnrated
raquis en zarzillo de la hoja (Spanish, exact)Unrated
葉軸巻きひげ (Japanese, exact)Unrated
fol&#237olo (Spanish, exact)Unrated
leafletUnrated
小葉 (Japanese, exact)Unrated
embryo sac egg cellUnrated
ooc&#233lula del saco embrionario (Spanish, exact)Unrated
胚嚢卵細胞 (Japanese, exact)Unrated
eje de la infructescencia de primer orden (Spanish, exact)Unrated
first order infructescence axisUnrated
infructescence rachis (exact)Unrated
第一果序軸 (Japanese, exact)Unrated
florete de la espiguilla (Spanish, exact)Unrated
spikelet floretUnrated
小穂小花 (Japanese, exact)Unrated
embryo sacUnrated
saco embrionario (Spanish, exact)Unrated
胚嚢 (Japanese, exact)Unrated
meristema apical del penacho (borla) (Spanish, exact)Unrated
tassel apical meristemUnrated
雄穂頂分裂組織 (Japanese, exact)Unrated
inflorescence initiation stageUnrated
花序の開始期 (Japanese, exact)Unrated
epidermis de la ra&#237z adventicia (Spanish, exact)Unrated
shoot-borne root epidermisUnrated
不定根表皮 (Japanese, exact)Unrated
base del s&#233palo (Spanish, exact)Unrated
sepal baseUnrated
がく片基部 (Japanese, exact)Unrated
p&#233talo (Spanish, exact)Unrated
petalUnrated
花弁 (Japanese, exact)Unrated
precursor de ra&#237 (Spanish, exact)Unrated
root anlagenUnrated
根原基 (Japanese, exact)Unrated
metafloema (Spanish, exact)Unrated
metaphloemUnrated
portion of metaphloem tissue (exact)Unrated
後生師部 (Japanese, exact)Unrated
secondary xylem tracheidUnrated
traqueida del xilema secundario (Spanish, exact)Unrated
二次木質部仮導管 (Japanese, exact)Unrated
&#225pice del t&#233palo (Spanish, exact)Unrated
tepal apexUnrated
花被片頂 (Japanese, exact)Unrated
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