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Related Terms:
Definitions:
Noun
poison oak
Definition: dermatitis resulting from contact with a poison oak plant
poison ivy
markweed
poison mercury
poison oak
Toxicodendron radicans
Rhus radicans
Definition: climbing plant common in eastern and central United States with ternate leaves and greenish flowers followed by white berries; yields an irritating oil that causes a rash on contact
Definition: Any of the species of Toxicodendron with compound leaves having three oak-like leaflets, native to North America.