any of several composite plants of the genus Tragopogon, especially T. pratensis, having yellow flower heads.
a plant, Aruncus dioicus, of the rose family, having pinnate leaves and long, slender spikes of small white flowers.

1570–80; goat + -'s1 + beard

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World English Dictionary
goatsbeard or goat's-beard (ˈɡəʊtsˌbɪəd)
1.  Also called: Jack-go-to-bed-at-noon a Eurasian plant, Tragopogon pratensis, with woolly stems and large heads of yellow rayed flowers surrounded by large green bracts: family Asteraceae (composites)
2.  an American rosaceous plant, Aruncus sylvester, with long spikes of small white flowers
goat's-beard or goat's-beard

Collins English Dictionary - Complete & Unabridged 10th Edition
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Encyclopedia Britannica


(species Aruncus dioicus or A. sylvester), herbaceous perennial plant, of the rose family (Rosaceae), native to the North Temperate Zone. It occurs most commonly in rich woods, especially in mountainous regions. The plant grows 1.2 to 1.8 m (4 to 6 feet) tall and has pinnately compound (i.e., feather-formed) leaves up to 50 cm (20 inches) long. Eight to 10 small, stalkless, white flowers are borne on leafless branches 10-25 cm (4-10 inches) long. It is often cultivated as a border plant.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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