(n) any of various perennials of the eastern United States having thick rough leaves and long-stalked showy flowers with drooping rays and a conelike center
(n) tall leafy plant with erect branches ending in large yellow flower heads with downward-arching rays; grow in Rocky Mountains south to Arizona and east to the Atlantic coast, Syn.Rudbeckia laciniata
n. 1. Any plant of the genus Rudbeckia; -- so called from the cone-shaped disk of the flower head. They are cultivated for their large usually yellow daisies with prominent central cones. Also, any plant of the related genera Ratibida and Brauneria, the latter usually known as purple coneflower. [ Webster 1913 Suppl. ]
2. any of various perennials of eastern US having thick rough leaves and long-stalked showy flowers with drooping rays and a conelike center. [ WordNet 1.5 ]
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