Plant Trait Ontology (TO)
OWL
Last submission date May 21, 2025
ID http://purl.obolibrary.org/obo/PO_0009060
http://purl.obolibrary.org/obo/PO_0009060
https://agroportal.lirmm.fr/ontologies/TO/PO_0009060
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Preferred name

calyx

Synonyms
c&#225lix (Spanish, exact) calyces (exact, plural) がく (Japanese, exact)
Definitions
The calyx is part of the perianth (PO:0009058). This definition is based on the perfect flower, which has all four whorls. In many species, and in mutants one or more of the whorls are missing. A collective phyllome structure (PO:0025023) that is composed of one or more sepals (PO:0009031), and comprises the outer whorl of non-reproductive floral organs (PO:0025395).
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