n.any of several poisonous perennial plants of the genus Apocynum having acrid milky juice and bell-shaped white or pink flowers and a very bitter root
N
any of several North American apocynaceous plants of the genus Apocynum, esp A. androsaemifolium, having bell-shaped white or pink flowers: thought to be poisonous to dogs (北美洲的)夹竹桃科植物; 长有种状的白色或粉色花，被认为能引起狗中毒