corolla

Definitions of corolla
1

n (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
Type of:
coil, curl, curlicue, gyre, ringlet, roll, scroll, whorl
a round shape formed by a series of concentric circles (as formed by leaves or flower petals)

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