Glossary: corolla

Definition:

the inner whorl of sterile appendages in the flower, made up of the free or united petals which are usually membranous and coloured (not green).

Image of a Pentas corolla showing tube and lobes.
Copyright: The Uganda flora team, 2026

The Uganda flora team (2026). Flora of Uganda: Glossary details: corolla.
https://www.ugandaflora.com/speciesdata/glossary-display.php?glossary_id=166, retrieved 14 August 2026

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