From Latin corōlla, diminutive of corōna ("garland, chaplet, wreath").

• (America) IPA: /kəˈɹoʊlə/, /kəˈɹɑlə/
• (RP) IPA: /kəˈɹəʊlə/, /kəˈɹɒlə/

corolla (plural corollas)

1. (botany) An outermost-but-one whorl of a flower, composed of petals, when it is not the same in appearance as the outermost whorl (the calyx); it usually comprises the petal, which may be fused.
   • 1974, Lawrence Durrell, Monsieur, Faber & Faber, published 1992, page 125:

     Our wet fingers touched and we formed a circle like the corolla of a flower, floating into the silence of the desert dawn with the ancient sun on our bodies.

• corolline
• corollate
• corollaceous

• French: corolle
• German: Blumenkrone, Korolla, Krone
• Italian: corolla
• Portuguese: corola
• Russian: ве́нчик
• Spanish: corola