Term Information

Accession

PO:0025330

Aspect

plant anatomy

Synonyms

exact: caliptra corola (Spanish)

exact: corolla calyptrae

exact: corolline operculum

exact: 蘚帽花冠 (Japanese)

exact: inner operculum

exact: operculum corolla

Definition

A fused corolla (PO:0025581) that is composed of fused petals (PO:0025583). [source: POC:curators]

Comment

Often found in Eucalyptus and other Myrtaceae. The petals are generally completely fused. If an outer operculum (calyptra calyx) is present, it covers the inner operculum (calyptra corolla). Species of the subgenus Monocalyptrus have only a calyptra corolla (inner operculum) while in most other species, a calyptra calyx is also present, at least early in flower development. Not the same structure as a spore capsule calyptra or fruit operculum. Sometimes erroneously referred to as part of a fruit.

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External References

None.