Yields an irritating oil that causes a rash on contact

• Climbing plant common in eastern and central United States with ternate leaves and greenish flowers followed by white berries

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
markweed \markweed\ n. A climbing plant ( Toxicodendron radicans ) common in eastern and central U. S. with ternate leaves and greenish flowers followed by white berries. It yields an irritating oil that causes a rash on contact; commonly called poison ...

WordNet Word definitions in WordNet
n. 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 [syn: poison ivy , poison mercury , poison oak , Toxicodendron radicans ...