pulvinus

Term Information

Accession
PO:0009000
Aspect
plant anatomy
Synonyms
exact: 葉枕 (Japanese)
exact: pulvínulo (Spanish)
exact: pulvini
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, Carpels, Amaranthaceae, etc. [source: APweb:Glossary].

Back to top

Term Lineage

Filter tree view help!
Filter Annotation Objects Counts
Term View Options

Back to top

External References

closePATO (1)
  • 0000586
closePO_GIT (2)

Back to top