corolla

n (botany 植) ring of petals forming the cup of a flower 花冠.

corn-cob, corn-exchange, cornea, corneal, corned, cornelian, corner, corner-stone, cornerstone, cornet, cornfield, cornflakes, cornflour (US `cornstarch), cornflower, cornice, Cornish, Cornish pasty, cornstarch, cornucopia, corny, corollary, corona, coronary, coronation, coroner, coroner's inquest, coronet, Corp, corporal, corporal punishment, corporate, corporation, corporation tax, corporeal, corps, corps de ballet, corpse, corpulence, corpulent, corpus,