corolla
1. [ noun ] (botany) the whorl of petals of a flower that collectively form an inner floral envelope or layer of the perianth
Examples:

"we cultivate the flower for its corolla"

Related terms: petal coil perianth petal corona botany
Similar spelling:   Correll
  Corella
  corral
  Croll
  Corl
  Coryell
  Coriell
  coral
  Caroll