pap·pus /ˈpæpəs/
冠毛
Pap·pus n. Bot. 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.
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pappus
n : calyx composed of scales or bristles or featherlike hairs in
plants of the Compositae such as thistles and dandelions
[also: pappi (pl)]