sumac family - the cashew family; trees and shrubs and vines having resinous (sometimes poisonous) juice; includes cashew and mango and pistachio and poison ivy and sumacgenus Pistacia, Pistacia - a dicotyledonous genus of trees of the family Anacardiaceae having drupaceous fruit genus Rhus, Rhus - deciduous or evergreen shrubs and shrubby trees of temperate and subtropical North America, South Africa, eastern Asia and northeastern Australia; usually limited to nonpoisonous sumacs (see genus Toxicodendron) genus Schinus, Schinus - genus of evergreen shrubs and trees of tropical and subtropical regions of South and Central America and Canary Islands and China genus Toxicodendron, Toxicodendron - in some classifications: comprising those members of the genus Rhus having foliage that is poisonous to the touch; of North America and northern South America |