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
例句
用作名词 (n.)
Thick stands of wild rye grass mingled with yellow coneflower in the new territory. 野生黑麦草和金花菊茂密地覆盖了在这片新领地。