(noun.) 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.

(noun.) a wildflower of the genus Ratibida.

(noun.) any of various plants of the genus Rudbeckia cultivated for their large usually yellow daisies with prominent central cones.

錄入:斯蒂芬妮