Western Poison Oak Definition
noun
A vine or small shrub native to western North America, Toxicodendron diversilobum , which exudes a toxic oil containing urushiol that causes a skin rash.
Wiktionary
Synonyms:
- Rhus diversiloba
- toxicodendron-diversilobum
Other Word Forms of Western Poison Oak
Noun
Singular:
western poison oak
Plural:
western poison oaks
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