(botany) the whorl of petals of a flower that collectively form an inner floral envelope or layer of the perianth
corolla例句
Having or characterizing a corolla with partially or wholly fused petals.
分瓣的带有部分或全部融合的花瓣的花冠的，或以此为特性的
A ray flower or the corolla of a ray flower.
舌状花舌状花或这种花的花冠
The often differently colored center of the corolla of some flowers.
花心一些花的通常颜色各异的花冠的中心
corolla详细解释
co.rol.la n.Botany （名词）【植物学】 The petals of a flower considered as a group or unit.花冠：被认为是一组或一个部分的花瓣 来源：Latin [small garland] [diminutive of] corôna [garland] * see corona 拉丁语 [小花环] [] corôna的小后缀 [花环] *参见 corona 【引伸】 corol.late.
