pappus definition

  • noun:
    • A modified calyx, composed of scales, bristles, or featherlike hairs, in plants regarding the composite family, like the dandelion as well as the thistle.
    • The markedly paid down sepals of an Asteraceae floret that take the form of trichomes or scale connected to the ovary or seed.
    • The hairy or feathery appendage of the achenes of thistles, dandelions, and most other plants of the order Compositæ; also, the scales, awns, or bristles which represent the calyx in other plants of the same order.
    • Down, as that regarding the seeds of some flowers.
    • calyx consists of machines or bristles or featherlike hairs in plants associated with Compositae such as thistles and dandelions

Related Sources

  • Sentence for "pappus"
    • _C_, a single flower, × 2. _o_,…
    • View More
77 votes

How would you define pappus?

All the definitions on AZdictionary were written by people just like you. Now's your chance to add your own!