western poison oak


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Noun1.western poison oak - poisonous shrub of the Pacific coast of North America that causes a rash on contactwestern poison oak - poisonous shrub of the Pacific coast of North America that causes a rash on contact
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.
References in periodicals archive ?
While poison ivy is a common native plant in our area, poison oak and western poison oak are not found in New England.
Having noticed nothing in the two days after the event, I thought I'd dodged the dangerous Rhus diversiloba bullet, the scientific name for Western poison oak. I was wrong.
Poison ivy (Toxicodendron radican), eastern poison oak (Toxicodendron quercifolium), western poison oak (Toxicodendron diversilobum), and poison sumac (Toxicodendron vernix) are species of the Anacardiaceae family, Rhus genus.

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