pappus

n. 冠毛 [医] 软毛, 柔毛, 胎毛, 冠毛(植物)

词形变化

pappi pappuses 复数 pappuses pappi 复数

释义与例句

n.
  1. 1.

    The markedly reduced sepals of an Asteraceae floret that take the form of trichomes or scale attached to the ovary or seed.

    生物 植物学
  2. 2.

    The first downy hairs that appear on the chin.

词汇关系

名词

上位词 1

calyx

下位词 1

thistledown

词源

Via Latin pappus from Ancient Greek πάππος (páppos), an affectionate term for elderly men (referencing beards).

来源：wiktionary