goat's-beard
goat's-beard (also goatsbeard ) ▶noun 1 a plant of the daisy family, with slender grasslike leaves, yellow flowers that typically close at about midday, and downy fruits that resemble those of a dandelion. Native to Eurasia, it has become established in eastern North America. [Tragopogon pratensis, family Compositae. ] 2 a plant of the rose family, with long plumes of white flowers, found in both Eurasia and North America. [Aruncus vulgaris, family Rosaceae. ] ORIGIN mid 16th cent.: translating Greek tragopōgon or Latin Barba Capri .