bract

名词 bract:

1. a modified leaf or leaflike part just below and protecting an inflorescence

bract

n.（名词）
A leaflike or scalelike plant part, usually small, sometimes showy or brightly colored, and located just below a flower, a flower stalk, or an inflorescence.
苞片，苞：植物的叶状或鳞状部分，通常较小，有时呈艳丽或颜色鲜艳，附生在花、花柄或花序的正下方

来源：
From Latin bractea [gold leaf]
源自 拉丁语 bractea [金叶]
perhaps from Greek brakhein [to rattle]
可能源自 希腊语 brakhein [格格作响]

【引伸】
brac.teal