Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to poison ash: poison ivy
Switch to new thesaurus
|Noun||1.||poison ash - 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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.