Jo·seph's flow·er Bot. A composite herb (Tragopogon pratensis), of the same genus as the salsify.
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Sleep-at-noon n. Bot. A plant (Tragopogon pratensis) which closes its flowers at midday; a kind of goat's beard.
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Goat's beard, goatsbeard n. Bot., A weedy European annual with yellow flowers, of the genus Tragopogon; -- so named from the long silky beard of the seeds. One species is the salsify or oyster plant; it is naturalized in US.
Syn: -- meadow salsify, shepherd's clock, Tragopogon pratensis.
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Tragopogon pratensis
n : weedy European annual with yellow flowers; naturalized in
United States [syn: meadow salsify, goatsbeard, shepherd's
clock]