stapelias asterias: stapelia of Cape Province having mostly dark red-brown flowers with flat starlike corollas
stapelia: any of various plants of the genus Stapelia having succulent leafless toothed stems resembling cacti and large foul-smelling (often star-shaped) flowers
york: the English royal house (a branch of the Plantagenet line) that reigned from 1461 to 1485; its emblem was a white rose