poison oak, 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
<noun.plant>
Rhus radicans Toxicodendron radicans markweed poison ivy poison mercury poison oak
<noun.plant>
Rhus radicans Toxicodendron radicans markweed poison ivy poison mercury poison oak
semantic pointers
hypernym