| markweed 
 
 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, Rhus radicans
 • Hypernyms:
 poisonous plant
 • Member Holonyms:
 Toxicodendron, genus Toxicodendron
 
 
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