An eastern North American deciduous shrub(Viburnum cassinoides) having clusters of small white flowers and bluish-black edible fruit. Also called Appalachian tea ,teaberry美国荚蒾，决明状荚蒾：北美洲东部的一种落叶灌木（决明状荚蒾荚蒾属） ，长有一束束的小白花，果实蓝黑色、可食用 也作 Appalachian tea,teaberry