A series of bracts subtending and resembling a calyx, as in the carnation and hibiscus.
“生于萼下类似于真萼的一组苞片, 如石竹和木槿所有的.”.
期刊摘选
英英释义
Noun
1. (botany) the whorl of sepals of a flower collectively forming the outer floral envelope or layer of the perianth enclosing and supporting the developing bud; usually green