Term Information

Accession
PO:0009000
Name
pulvinus
Ontology
plant_anatomy
Synonyms
pulvínulo (Spanish, exact), pulvini (exact, plural), 葉枕 (Japanese, exact)
Alternate IDs
None
Definition
A cardinal organ part (PO:0025001) at the apex or base of a petiole, petiolule, leaf sheath, or branch that is differentiated from the remaining organ parts by its enlarged cross section. Source: POC:curators
Comment
Often glandular. Often involved in movement of a plant structure in response to touch, gravity or light. In panicoid grasses a swollen region in the stem above the intercalary meristem. Such a definition would also include stems of Chloranthaceae, Acanthaceae, Caryophyllaceae, Amaranthaceae, etc. [source: APweb:Glossary].
Subset
None
Feedback
Comments, changes to terms, or requests for new ontology terms can be made at PO issue tracker on GitHub.

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Parents of pulvinus (PO:0009000)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
pulvinus [BFO:0000050 relation] BFO:0000050  shoot system (PO:0009006)
pulvinus [is_a relation] is_a  cardinal organ part (PO:0025001)
Children of pulvinus (PO:0009000)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
leaf sheath pulvinus (PO:0008017) [is_a relation] is_a  pulvinus
petiole pulvinus (PO:0009111) [is_a relation] is_a  pulvinus
inflorescence branch pulvinus (PO:0009017) [is_a relation] is_a  pulvinus
PATO
0000586
PO_GIT
81
70