COROLLA

n. petals of a flower

This page is about the botanic term Corolla. For other uses, see Corolla (disambiguation) Corolla is the overall structure of the petals of a flower taken as a group within the calyx. Normally the corolla is the most conspicuous part of a flower and of a bright colour other than green. The concept of corolla description is widely used in botany as a primary determinant of vascular plant identification. Alternatively the corolla may be considered as the inner whorl of the perianth structure. The role of the corolla in plant evolution has been studied extensively since Darwin postulated a theory of the origin of elongated corollae.
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Noun
1. (botany) the whorl of petals of a flower that collectively form an inner floral envelope or layer of the perianth; "we cultivate the flower for its corolla"
(hypernym) coil, whorl, roll, curl, curlicue, ringlet, gyre, scroll
(part-holonym) perianth, chlamys, floral envelope, perigone, perigonium
(part-meronym) petal, flower petal
(classification) botany, phytology

n. corolla, petals of a flower

(n.)
The inner envelope of a flower; the part which surrounds the organs of fructification, consisting of one or more leaves, called petals. It is usually distinguished from the calyx by the fineness of its texture and the gayness of its colors. See the Note under Blossom.