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"

Derived forms: corollas

Type of: coil, curl, curlicue, gyre, ringlet, roll, scroll, whorl

Part of: chlamys, floral envelope, perianth, perigone, perigonium

Encyclopedia: Corolla, North Carolina