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: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-17

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2017). Flora of Zambia: Glossary details: corolla.
http://www.zambiaflora.com/speciesdata/glossary-display.php?glossary_id=166, retrieved 21 August 2017

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