PAP'PUS, n. [L. from Gr. an old man or grandfather,hence a substance resembling gray hairs.] The soft downy substance that grows on the seeds of certain plants, as on those of the thistle.
PAP'PUS, n. [L. from Gr. παππος, an old man or grandfather, hence a substance resembling gray hairs.]
The hairy, feathery, or membranous calyx of the individual florets in certain compound flowers belonging to the Linnean class Syngenesia.
- 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.