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1. A shrub or small tree (Toxicodendron vernix) of eastern North American wetlands, having compound leaves and greenish-white berries and causing a rash on contact.
2. A skin rash caused by contact with this plant.
a swamp shrub or small tree, Rhusvernix, of the cashew family, common in the eastern U.S., having pinnate leaves and pale green flowers: may cause allergic dermatitis when touched.
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|Noun||1.||poison sumac - dermatitis resulting from contact with a poison sumac plant|
Rhus dermatitis - contact dermatitis resulting from contact with plants of the genus Toxicodendron
|2.||poison sumac - smooth American swamp shrub with pinnate leaves and greenish flowers followed by greenish white berries; yields an irritating oil|
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
poisonous plant - a plant that when touched or ingested in sufficient quantity can be harmful or fatal to an organism