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
metaxylem tracheidUnrated
anillo de crecimiento (Spanish, exact)Unrated growth layer (exact)Unrated growth ringUnrated 年輪（＝annual ring) (Japanese, exact)Unrated
arillodeUnrated ariloide (Spanish, exact)Unrated 偽種衣　偽仮種皮　アリロード (Japanese, exact)Unrated
plant embryo true leaf formation stageUnrated
cápsula septicida (exact, Spanish)Unrated cápsula septífraga (exact, Spanish)Unrated septicidal capsule (exact)Unrated septicidal capsule fruitUnrated septifragal capsule (exact)Unrated septizide kapsel (exact, German)Unrated
peridermis de tub&#233rculo (Spanish, exact)Unrated shoot axis tuber peridermUnrated 塊茎周皮 (Japanese, exact)Unrated
bract abaxial epidermisUnrated bract external face (exact)Unrated epidermis abaxial de la br&#225ctea (Spanish, exact)Unrated 苞背軸側表皮 (Japanese, exact)Unrated
anlagen del estambre (Spanish, exact)Unrated stamen anlagenUnrated 雄蕊原基 (Japanese, exact)Unrated
cauline axillary shootUnrated epiblasto (epiblastema) axilar caulinar (Spanish, exact)Unrated 茎生腋枝 (Japanese, exact)Unrated
unicellular plant gametangiumUnrated 単細胞植物配偶子嚢 (Japanese, exact)Unrated
phyllome lamina veinUnrated vena del filoma laminar (Spanish, exact)Unrated フィロム葉身脈 (Japanese, exact)Unrated
antheridium jacket layer cellUnrated antheridium wall cell (exact)Unrated capa c&#233lular de la cubierta del anteridio (Spanish, exact)Unrated sterile jacket cell (exact)Unrated 造精器被覆層細胞 (Japanese, exact)Unrated
canalUnrated canal (Spanish, exact)Unrated 溝 (Japanese, exact)Unrated
portion of protoxylem tissue (exact)Unrated protoxilema (Spanish, exact)Unrated protoxylemUnrated 原生木（質）部 (Japanese, exact)Unrated
etapa de senescencia del gametofito (Spanish, exact)Unrated gametophyte senescent stageUnrated 配偶体老化過程 (Japanese, exact)Unrated
palea primordia visible stageUnrated
op&#233rculo de la c&#225psula productora de esporas (Spanish, exact)Unrated sporangium lid (exact)Unrated spore capsule lid (exact)Unrated spore capsule opercula (exact, plural)Unrated spore capsule operculumUnrated 胞子嚢蓋 (Japanese, exact)Unrated
corolla spurUnrated 花冠距 (exact)Unrated
fol#237olo en zarzillo (Spanish, exact)Unrated leaflet tendrilUnrated 小葉巻きひげ、若葉巻きひげ (Japanese, exact)Unrated
estigma (Spanish, exact)Unrated stigmaUnrated stigmas (exact, plural)Unrated stigmata (exact, plural)Unrated 柱頭 (Japanese, exact)Unrated
tuberUnrated 塊茎 (Japanese, exact)Unrated
ovule primordium visible stageUnrated
cortex del eje del epiblasto (epiblastema) del tallo (Spanish, exact)Unrated portion of shoot axis cortex tissue (exact)Unrated shoot axis cortexUnrated シュート軸皮層 (Japanese, exact)Unrated
calaza de la semilla (Spanish, exact)Unrated portion of seed chalaza (exact)Unrated seed chalazaUnrated 種子カラザ (Japanese, exact)Unrated
florete superior de la espiguilla pedicelada (Spanish, exact)Unrated upper floret of pedicellate spikelet of tasselUnrated 雄穂（花）の有柄小穂の上位小花 (Japanese, exact)Unrated
br&#225ctea de la inflorescencia (Spanish, exact)Unrated inflorescence bractUnrated 花序苞 (Japanese, exact)Unrated
eje de séptimo orden de la infructescencia (Spanish, exact)Unrated seventh order infructescence axisUnrated sixth order infructescence branch (exact)Unrated
female gamete (exact)Unrated megagamete (exact)Unrated ooc&#233lula (Spanish, exact)Unrated plant egg cellUnrated 植物卵細胞 (Japanese, exact)Unrated
F microspore release stageUnrated
c&#233lula inicial de rayo (Spanish, exact)Unrated ray initial cellUnrated ray initial (exact)Unrated 放射組織始原細胞 (Japanese, exact)Unrated
leaf sinusUnrated seno de la hoja (Spanish, exact)Unrated 葉洞、溝？ (Japanese, exact)Unrated
inflorescence apical meristemUnrated meristema apical de la inflorescencia (Spanish, exact)Unrated 花序頂端分裂組織 (Japanese, exact)Unrated
axillary vegetative budUnrated yema vegetativa axilar (Spanish, exact)Unrated 腋枝芽 (Japanese, exact)Unrated
c&#233lula ordinaria acompa&#241ante (Spanish, exact)Unrated ordinary companion cellUnrated regular companion cell (exact)Unrated standard companion cell (exact)Unrated 通常の？伴細胞 (Japanese, exact)Unrated
fibra gelatinosa (Spanish, exact)Unrated gelatinous fiber cellUnrated gelatinous fiber (exact)Unrated mucilaginous fiber cell (exact)Unrated 膠質繊維細胞 (Japanese, exact)Unrated
staminate inflorescenceUnrated
sporophyte dormancy stage (exact)Unrated sporophyte dormant stageUnrated sporophytic dormant stage (exact)Unrated
caliptra corola (Spanish, exact)Unrated calyptra corollaUnrated corolla calyptrae (exact, plural)Unrated corolline operculum (exact)Unrated inner operculum (exact)Unrated operculum corolla (exact)Unrated 蘚帽花冠 (Japanese, exact)Unrated
portion of testa tissue (exact)Unrated testaUnrated testae (exact, plural)Unrated testa (Spanish, exact)Unrated 外種皮 (Japanese, exact)Unrated
haz vascular (Spanish, exact)Unrated vascular bundleUnrated vein (exact)Unrated 維管束 (Japanese, exact)Unrated
native plant cellUnrated
K second mitotic division stageUnrated tricellular pollen development stage (exact)Unrated tricellular pollen stage (exact)Unrated
gluma inferior de la espiguilla s&#233sil de la espiga (Spanish, exact)Unrated lower glume of sessile spikelet of earUnrated 雌穂（花）の無柄小穂の第一苞頴(first glume) (Japanese, exact)Unrated
leaflet primordia (exact, plural)Unrated leaflet primordiumUnrated portion of leaflet primordium tissue (exact)Unrated primordio del fol&#237olo (Spanish, exact)Unrated 小葉原基（可視的） (Japanese, exact)Unrated
cambium vascular interno (Spanish, exact)Unrated included vascular cambiumUnrated 材内維管形成層 (Japanese, exact)Unrated
proteoid rootUnrated
arilli (exact)Unrated arilloidUnrated arillus (exact)Unrated arilodio (Spanish, exact)Unrated 種皮附属物,　アリロイド (Japanese, exact)Unrated
par&#233nquima del pec&#237olo (Spanish, exact)Unrated petiole parenchymaUnrated 葉柄柔組織 (Japanese, exact)Unrated
anlagen de br&#225ctea (Spanish, exact)Unrated bract anlagenUnrated 苞原基 (Japanese, exact)Unrated
G early unicellular microspore stageUnrated
m&#233dula del tub&#233rculo subterr&#225neo (Spanish, exact)Unrated subterranean tuber pithUnrated 地下塊茎髄 (Japanese, exact)Unrated
cicatriz sedosa (Spanish, exact)Unrated silk scarUnrated シルクの痕跡 (Japanese, exact)Unrated
E two nucleate megagametophyte stageUnrated
eje de quinto orden de la infructescencia (Spanish, exact)Unrated fifth order infructescence axisUnrated fourth order infructescence branch (exact)Unrated
coleorriza del embri&#243n (Spanish, exact)Unrated embryo coleorhizaUnrated embryonic coleorhiza (exact)Unrated 胚根鞘 (Japanese, exact)Unrated
callo embriog&#233nico (Spanish, exact)Unrated embryogenic callusUnrated 胚状カルス (Japanese, exact)Unrated
l&#225mina de la hoja (Spanish, exact)Unrated leaf laminaUnrated 葉身（葉片） (Japanese, exact)Unrated
espacio intercelular en el mes&#243filo de la hoja (Spanish, exact)Unrated leaf mesophyll intercellular spaceUnrated 葉肉細胞内空間（間隙） (Japanese, exact)Unrated
axillary inflorescence budUnrated yema de inflorescencia axilar (Spanish, exact)Unrated 腋花序芽 (Japanese, exact)Unrated
epidermis del nectario (Spanish, exact)Unrated nectary epidermisUnrated 蜜腺表皮 (Japanese, exact)Unrated
LP.05 five leaves visible stageUnrated
adventitious shoot axisUnrated 不定シュート軸 (Japanese, exact)Unrated
LP.01 one leaf visible stageUnrated
lemmaUnrated lemma del florete del penacho (borla) o de la espiga (Spanish, exact)Unrated lemmas (exact, plural)Unrated lemma (Spanish, exact)Unrated lemmata (exact, plural)Unrated 外頴 (Japanese, exact)Unrated
c&#233lular ??? (Spanish, exact)Unrated epithem cellUnrated 被覆組織細胞 (Japanese, exact)Unrated
c&#233lula apical del eje del epiblasto (Spanish, exact)Unrated shoot axis apical cell (exact)Unrated shoot axis apical initial (exact)Unrated shoot axis meristematic apical cellUnrated シュート軸分裂組織の頂端細胞 (Japanese, exact)Unrated
endodermal cell (exact)Unrated endodermis cellUnrated plant endodermal cell (exact)Unrated
epidermis del eje del tallo (Spanish, exact)Unrated shoot axis epidermisUnrated シュート軸表皮 (Japanese, exact)Unrated
secondary leaf veinUnrated vena secundaria (Spanish, exact)Unrated 二次葉脈 (Japanese, exact)Unrated
cambium vascular (Spanish, exact)Unrated vascular cambiumUnrated 維管束形成層 (Japanese, exact)Unrated
porci&#243n de tejido vascular (Spanish, exact)Unrated portion of vascular tissueUnrated vascular tissue (exact)Unrated 維管束細胞の一部 (Japanese, exact)Unrated
involucreUnrated involucro (Spanish, exact)Unrated 総苞 (Japanese, exact)Unrated
br&#225ctea del perigonio (Spanish, exact)Unrated perigonial bractUnrated perigonium bract (exact)Unrated 花蓋苞葉 (Japanese, exact)Unrated
pedicelo de la espiguilla de la espiga (Spanish, exact)Unrated pedicel of ear spikeletUnrated 雌穂（花）小穂の小花柄 (Japanese, exact)Unrated
plant protoplastUnrated protoplasto cultivado (Spanish, exact)Unrated 植物プロトプラスト (Japanese, exact)Unrated
LP.03 three leaves visible stageUnrated
compound drepanium inflorescenceUnrated
fruit proximal endUnrated porci&#243n proximal del fruto (Spanish, exact)Unrated 果実近位端 (Japanese, exact)Unrated
floral organ formation stageUnrated flower morphogenesis stage (exact)Unrated
IE.04 inflorescence fully emerged from flag leaf sheath stageUnrated
aleurona modificada (Spanish, exact)Unrated modified aleuroneUnrated 特殊化した糊粉、修飾アリューロン (Japanese, exact)Unrated
elemento vaso del xilema secundario (Spanish, exact)Unrated secondary xylem vessel memberUnrated 二次木質部導管要素 (Japanese, exact)Unrated
D locules established stageUnrated
portion of embryonic plant tissue (exact)Unrated portion of embryo plant tissueUnrated tejido embri&#243nico vegetal (Spanish, exact)Unrated 植物胚性組織の一部 (Japanese, exact)Unrated
antipodal cellUnrated c&#233lula antipodal (Spanish, exact)Unrated 反足細胞 (Japanese, exact)Unrated
hauptfrucht (exact, German)Unrated utricle capsule fruitUnrated utricle (exact)Unrated utrículo (exact, Spanish)Unrated
calaza (Spanish, exact)Unrated chalazaUnrated chalazae (exact, plural)Unrated chalazas (exact, plural)Unrated ovular chlaza (exact)Unrated portion of chalaza tissue (exact)Unrated カラザ（合点）=珠心と珠皮が珠柄につながるところ、珠孔の反対側 (Japanese, exact)Unrated
&#225pice en zarzillo del tallo (Spanish, exact)Unrated stem apex tendrilUnrated 茎頂端巻きひげ (Japanese, exact)Unrated
carpelUnrated carpelo (Spanish, exact)Unrated 心皮 (Japanese, exact)Unrated
root system xylem sapUnrated savia del xilema del sistema de la raiz (Spanish, exact)Unrated 根組織木部樹液 (Japanese, exact)Unrated
leaf trichome development stageUnrated
ear meristemUnrated meristema de la espiga (Spanish, exact)Unrated 雌穂分裂組織 (Japanese, exact)Unrated
hoja palmada (Spanish, exact)Unrated palmate leafUnrated 掌状葉 (Japanese, exact)Unrated
esporangio (Spanish, exact)Unrated moss capsule (exact)Unrated sporangia (exact, plural)Unrated sporangiumUnrated spore capsule (exact)Unrated spore case (exact)Unrated 胞子嚢 (Japanese, exact)Unrated
collar de la hoja (Spanish, exact)Unrated leaf collarUnrated 葉頚領（カラー） (Japanese, exact)Unrated
epidermis abaxial de la hoja (Spanish, exact)Unrated leaf abaxial epidermisUnrated 葉背軸側表皮 (Japanese, exact)Unrated
&#225pice reproductivo del epiblasto (epiblastema) (Spanish, exact)Unrated reproductive shoot apexUnrated 生殖シュート頂、茎頂 (Japanese, exact)Unrated
compression woodUnrated
pie del esporofito (Spanish, exact)Unrated sporophyte footUnrated 胞子体あし (Japanese, exact)Unrated
epidermis de tub&#233rculo subterr&#225neo (Spanish, exact)Unrated subterranean tuber epidermisUnrated 地下塊茎表皮 (Japanese, exact)Unrated

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