Pappus
Pappus , noun
[Latin, an old man or grandfather; hence, a substance resembling gray hairs, Greek {not transcribed}.]
(Botany) The hairy or feathery appendage of the achenes of thistles, dandelions, and most other plants of the order Composita; also, the scales, awns, or bristles which represent the calyx in other plants of the same order.