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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
petiole vascular systemUnrated
sistema vascular del pec&#237olo (Spanish, exact)Unrated
葉柄維管系 (Japanese, exact)Unrated
drupa (exact, Spanish)Unrated
drupe (exact)Unrated
drupe fruitUnrated
steinfrucht (exact, German)Unrated
stone fruit (exact)Unrated
archesporiumUnrated
arquesporio (Spanish, exact)Unrated
sporogenous tissue (exact)Unrated
胞原組織 (Japanese, exact)Unrated
c&#233lula sil&#237cica (Spanish, exact)Unrated
silica cellUnrated
ケイ酸細胞、珪酸細胞 (Japanese, exact)Unrated
functional specialization of the endosperm stageUnrated
cardinal organ partUnrated
cardinal part of plant organ (exact)Unrated
parte de un &#243rgano cardinal (Spanish, exact)Unrated
基本的な（主要な）器官部 (Japanese, exact)Unrated
etapa de desarrollo del floema (Spanish, exact)Unrated
phloem development stageUnrated
師部発生過程 (Japanese, exact)Unrated
sepals enclosing floral bud (exact)Unrated
sepals enclosing flower bud stageUnrated
leptomeUnrated
leptom (exact)Unrated
leptomo (Spanish, exact)Unrated
leptophloem (exact)Unrated
師部、レプトーム (Japanese, exact)Unrated
costaUnrated
costae (exact, plural)Unrated
costa (Spanish, exact)Unrated
non-vascular leaf midrib (exact)Unrated
phyllid costa (exact)Unrated
phyllid midrib (exact)Unrated
中肋 (Japanese, exact)Unrated
juice sac tissueUnrated
ves&#237cula contenedora de jugo (Spanish, exact)Unrated
胞のう (Japanese, exact)Unrated
LP.15 fifteen leaves visible stageUnrated
c&#233lula vegetativa (Spanish, exact)Unrated
microgametophyte vegetative cellUnrated
栄養細胞 (Japanese, exact)Unrated
flowering stageUnrated
leaf lamina tipUnrated
anlagen del p&#233talo (Spanish, exact)Unrated
petal anlagenUnrated
花弁原基 (Japanese, exact)Unrated
embryonic radicle (exact)Unrated
plant embryo radicleUnrated
rad&#237cula del embri&#243n (Spanish, exact)Unrated
胚幼根 (Japanese, exact)Unrated
eje de décimo orden de la inflorescencia (Spanish, exact)Unrated
ninth order inflorescence branch (exact)Unrated
tenth order inflorescence axisUnrated
hoja (Spanish, exact)Unrated
leafUnrated
葉 (Japanese, exact)Unrated
diarch protoxylemUnrated
protoxilema diarco (Spanish, exact)Unrated
二原型原生木部 (Japanese, exact)Unrated
base del tallo (Spanish, exact)Unrated
gametophore stem base (exact)Unrated
stem baseUnrated
茎基部 (Japanese, exact)Unrated
leaf adaxial trichomeUnrated
tricoma de la superficie adaxial de la hoja (Spanish, exact)Unrated
葉向軸側毛（毛茸、糸状体） (Japanese, exact)Unrated
inflorescence bract primordia (exact, plural)Unrated
inflorescence bract primordiumUnrated
primordio de la br&#225ctea de la inflorescencia (Spanish, exact)Unrated
花序苞原基 (Japanese, exact)Unrated
porci&#243n de un tejido vegetal (Spanish, exact)Unrated
portion of plant tissueUnrated
植物組織の一部 (Japanese, exact)Unrated
pseudostemUnrated
pseudotallo (Spanish, exact)Unrated
偽茎 (Japanese, exact)Unrated
esporofilo (Spanish, exact)Unrated
spore leaf (exact)Unrated
sporophyllUnrated
胞子葉 (Japanese, exact)Unrated
bract adaxial epidermisUnrated
bract internal face (exact)Unrated
epidermis adaxail de la br&#225ctea (Spanish, exact)Unrated
苞向軸側 表皮 (Japanese, exact)Unrated
ground meristemUnrated
rafe de la semilla (Spanish, exact)Unrated
seed rapheUnrated
種子背線、縫線 (Japanese, exact)Unrated
c&#233lula parenquim&#225tica de la madera (Spanish, exact)Unrated
secondary xylem parenchyma cellUnrated
wood parenchyma cell (exact)Unrated
二次木部柔組織細胞 (Japanese, exact)Unrated
chlorenchymaUnrated
clor&#233nquima (Spanish, exact)Unrated
portion of chlorenchyma tissue (exact)Unrated
同化組織、葉緑組織 (Japanese, exact)Unrated
seedling shoot emergence stageUnrated
LP.10 ten leaves visible stageUnrated
axillary budUnrated
yema axilar (Spanish, exact)Unrated
腋芽 (Japanese, exact)Unrated
par de meristemas del penacho (borla) de la espiguilla (Spanish, exact)Unrated
tassel spikelet pair meristemUnrated
雄穂（花）の小穂対分裂組織 (Japanese, exact)Unrated
c&#233lula megagametof&#237tica (Spanish, exact)Unrated
embryo sac cellUnrated
megagametophytic cell (exact)Unrated
胚嚢細胞 (Japanese, exact)Unrated
fully expanded lemma stageUnrated
integumento (Spanish, exact)Unrated
plant ovule integumentUnrated
portion of integument tissue (exact)Unrated
珠皮 (Japanese, exact)Unrated
cavidad subestom&#225tica de la hoja (Spanish, exact)Unrated
leaf substomatal cavityUnrated
葉気孔下腔, 呼吸腔 (Japanese, exact)Unrated
booting stageUnrated
epidermis de la hoja (Spanish, exact)Unrated
foliage leaf epidermis (exact)Unrated
leaf epidermisUnrated
phyllid epidermis (exact)Unrated
葉表皮 (Japanese, exact)Unrated
ventral canal cellUnrated
4 growth directionality stageUnrated
l&#243culo (Spanish, exact)Unrated
loculeUnrated
loculus (exact)Unrated
室 (Japanese, exact)Unrated
leaf marginal meristemUnrated
leaf margin blastozone (exact)Unrated
leaf margin meristem (exact)Unrated
葉縁分裂組織 (Japanese, exact)Unrated
mesarch protoxylemUnrated
protoxilema mesarco (Spanish, exact)Unrated
中原型原生木部 (Japanese, exact)Unrated
lateral root primordium formation stageUnrated
elemento de tr&#225quea de madera temprana (Spanish, exact)Unrated
late wood tracheary elementUnrated
latewood tracheary element (exact)Unrated
晩材管状要素 (Japanese, exact)Unrated
LP.06 six leaves visible stageUnrated
stem hypodermisUnrated
canal de pec&#237olo (Spanish, exact)Unrated
petiole canalUnrated
葉柄の溝 (Japanese, exact)Unrated
meristema (Spanish, exact)Unrated
meristematic tissue (exact)Unrated
meristem (exact)Unrated
portion of meristem tissueUnrated
分裂組織 (Japanese, exact)Unrated
inflorescence axillary meristemUnrated
meristema lateral de la inflorescencia (Spanish, exact)Unrated
par&#225fisis (Spanish, exact)Unrated
paraphyses (exact, plural)Unrated
paraphysisUnrated
側糸 (Japanese, exact)Unrated
shoot system development stageUnrated
arista (exact)Unrated
arista (Spanish, exact)Unrated
awnUnrated
芒 (Japanese, exact)Unrated
gamet&#243foro (Spanish, exact)Unrated
gametophoreUnrated
茎葉体, 蘚苔類の配偶体 (Japanese, exact)Unrated
elemento de traqueida del metaxilema (Spanish, exact)Unrated
metaxylem tracheary elementUnrated
後生木部仮導管要素 (Japanese, exact)Unrated
epidermis adaxial del p&#233talo (Spanish, exact)Unrated
petal adaxial epidermisUnrated
花弁向軸側 表皮 (Japanese, exact)Unrated
LP.17 seventeen leaves visible stageUnrated
petiole pulvinusUnrated
pulv&#237nulo del pec&#237olo (Spanish, exact)Unrated
葉柄葉枕 (Japanese, exact)Unrated
bud swell stageUnrated
E-L 2 (exact)Unrated
whole plant fruit development stageUnrated
conjunct-hetercladic thyrse (exact)Unrated
diplothyrsoid (exact)Unrated
disjunct-heterocladic thyrse (exact)Unrated
double thyrsoid (exact)Unrated
heterocladic thyrse (exact)Unrated
indeterminate thyrse (exact)Unrated
indeterminate thyrse inflorescenceUnrated
monothyrsic inflorescence (exact)Unrated
pleiothyrsoid (exact)Unrated
female gametophyte (exact)Unrated
megagametofito (Spanish, exact)Unrated
megagametophyteUnrated
大配偶体 (Japanese, exact)Unrated
shoot axis branch tuber (exact)Unrated
shoot axis tuberUnrated
tub&#233rculo (Spanish, exact)Unrated
tuber branch (exact)Unrated
シュート軸塊茎 (Japanese, exact)Unrated
portion of root primordium tissue (exact)Unrated
primordio de ra&#237z (Spanish, exact)Unrated
root primordia (exact, plural)Unrated
root primordiumUnrated
根原基（可視的） (Japanese, exact)Unrated
estambre persistente (Spanish, exact)Unrated
persistent stamenUnrated
宿存雄蕊 (Japanese, exact)Unrated
epidermis de la l&#225mina de la hoja (Spanish, exact)Unrated
leaf lamina epidermisUnrated
葉身表皮 (Japanese, exact)Unrated
poro estom&#225tico (Spanish, exact)Unrated
stomatal poreUnrated
気孔開口部 (Japanese, exact)Unrated
cone bud (exact)Unrated
strobilus budUnrated
yema estrobilar (Spanish, exact)Unrated
珠果芽 (Japanese, exact)Unrated
meristema de la ra&#237z (Spanish, exact)Unrated
root meristemUnrated
根分裂組織 (Japanese, exact)Unrated
gluma superior de la espiga de la espiguilla (Spanish, exact)Unrated
upper glume of ear spikeletUnrated
雌穂（花）小穂の第二苞頴(second glume) (Japanese, exact)Unrated
megaspore mother cell (exact)Unrated
megasporocito (Spanish, exact)Unrated
megasporocyteUnrated
MMC (exact)Unrated
大胞子母細胞 (Japanese, exact)Unrated
estilo (Spanish, exact)Unrated
styleUnrated
花柱 (Japanese, exact)Unrated
IL.00 inflorescence just visible stageUnrated
epitelio escutelar (Spanish, exact)Unrated
portion of scutellar epithelium (exact)Unrated
scutellar epitheliumUnrated
scutellum epithelium (exact)Unrated
胚盤上皮細胞 (Japanese, exact)Unrated
peripheral zoneUnrated
zona perif&#233rica (Spanish, exact)Unrated
周辺帯 (Japanese, exact)Unrated
peristoma (Spanish, exact)Unrated
peristomeUnrated
蒴歯、縁歯 (Japanese, exact)Unrated
sistema vascular del estambre (Spanish, exact)Unrated
stamen vascular systemUnrated
雄蕊維管系 (Japanese, exact)Unrated
raquilla del penacho (borla) de la espiguilla (Spanish, exact)Unrated
tassel spikelet rachillaUnrated
雄穂（花）の小穂小軸 (Japanese, exact)Unrated
whole plant fruit formation stage 70% to final sizeUnrated
flesh (exact)Unrated
fleshy tissue (exact)Unrated
par&#233nquima de reserva (Spanish, exact)Unrated
portion of storage parenchyma (exact)Unrated
storage parenchymaUnrated
貯蔵柔組織 (Japanese, exact)Unrated
escler&#233nquima (Spanish, exact)Unrated
portion of sclerenchyma tissue (exact)Unrated
portion of sclerenchymatous tissue (exact)Unrated
sclerenchymaUnrated
厚膜組織 (Japanese, exact)Unrated
fertilized ovule stageUnrated
portion of tegmen tissue (exact)Unrated
tegmenUnrated
tegmen (Spanish, exact)Unrated
内種子(internal seed coat, inner seed coat, secundine) (Japanese, exact)Unrated
2 root meristem formation stageUnrated
rayo par&#233nquim&#225tico vertical de la madera (Spanish, exact)Unrated
upright ray secondary xylem parenchyma cellUnrated
upright ray wood parenchyma cell (exact)Unrated
直立放射状二次木部柔組織細胞 (Japanese, exact)Unrated
pentarch protoxylemUnrated
protoxilema pentarco (Spanish, exact)Unrated
五原型原生木部 (Japanese, exact)Unrated
plant axis differentiation zoneUnrated
zona de diferenciaci&#243n de eje vegetal (Spanish, exact)Unrated
植物軸分化帯 (Japanese, exact)Unrated
microsporocito (Spanish, exact)Unrated
microsporocyteUnrated
小胞子母細胞 (Japanese, exact)Unrated
&#225pice del p&#233talo (Spanish, exact)Unrated
petal apexUnrated
花弁頂 (Japanese, exact)Unrated
embri&#243n som&#225tico cigotico (del cigote) (Spanish, exact)Unrated
zygotic plant embryoUnrated
接合体植物胚 (Japanese, exact)Unrated
intercalary meristemUnrated
meristema intercalar (Spanish, exact)Unrated
節間分裂組織、介在分裂組織 (Japanese, exact)Unrated
c&#233lula parenquim&#225tica del callo (Spanish, exact)Unrated
callus parenchyma cellUnrated
カルス柔組織細胞 (Japanese, exact)Unrated
2 endoreduplication stageUnrated
columela (Spanish, exact)Unrated
columellaUnrated
portion of columella tissue (exact)Unrated
軸柱、柱軸 (Japanese, exact)Unrated
AM (exact)Unrated
apical meristemUnrated
meristema apical (Spanish, exact)Unrated
頂端分裂組織 (Japanese, exact)Unrated
c&#233lula apical meristem&#225tica del cloronema (Spanish, exact)Unrated
chloronema apical cell (exact)Unrated
chloronema apical initial (exact)Unrated
chloronema meristematic apical cellUnrated
クロロネマ分裂頂端細胞 (Japanese, exact)Unrated
root periderm scarUnrated
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