corolla
corolla[kəˈrɒlə]noun- (Botany)the petals of a flower, typically forming a whorl within the sepals and enclosing the reproductive organs
(植)花冠。 比较calyx
语源- late 17th cent. (in the sense 'little crown'): from Latin, diminutive of corona 'wreath, crown, chaplet'
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