any of various plants of the genus Rudbeckia cultivated for their large usually yellow daisies with prominent central cones
a wildflower of the genus Ratibida
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
造句
用作名詞(n.)
Thick stands of wild rye grass mingled with yellow coneflower in the new territory. 野生黑麥草和金花菊茂密地覆蓋了在這片新領地。