n in some classifications: comprising those members of the genus Rhus having foliage that is poisonous to the touch; of North America and northern South America
Carefully she planted Rhus toxicodendron (poison ivy) about Venus's feet.
The Chinese and Japanese employ a lacquer which is an extract from a Japanese plant known as Rhus vernicifera, of the same variety as Rhus toxicodendron or "poison-ivy.