Tragopogon pratensis n 1: weedy European annual with yellow flowers; naturalized in United States [syn: {meadow salsify}, {goatsbeard}, {shepherd's clock}, {Tragopogon pratensis}]
Goat's beard \Goat's beard\, goatsbeard \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}. [1913 Webster + WordNet 1.5]
Sleep-at-noon \Sleep"-at-noon"\, n. (Bot.) A plant ({Tragopogon pratensis}) which closes its flowers at midday; a kind of goat's beard. --Dr. Prior. [1913 Webster]
Joseph's flower \Jo"seph's flow"er\ (Bot.) A composite herb ({Tragopogon pratensis}), of the same genus as the salsify. [1913 Webster]