involucre

名词 involucre:

1. a highly conspicuous bract or bract pair or ring of bracts at the base of an inflorescence

in.vo.lu.cre

n.（名词）
A series of bracts beneath or around a flower or flower cluster.
花被：在一朵花或一束花下面或周围的一系列苞片

来源：
French
法语
from Latin involôcrum [wrapper, envelope] * see involucrum
源自 拉丁语 involôcrum [包装物，信封] *参见 involucrum

【引伸】
in.volu.cral