Like poison ivy, poison oak produces small, white, or yellow berries. Poison sumac is less common but more toxic than its ...

Poison sumac can grow into a large shrub or small tree that can get as tall as eight or 10 feet and produces numerous leaflets, with each leaf having as many as 10 or more leaflets.

The evergreen African sumac grows at a slow to moderate rate to 20 to 30 feet tall and wide. It naturally assumes a graceful, open, spreading, multi-stem habit, reminiscent of an olive.

Poison ivy, poison oak, and poison sumac are plants that contain an irritating, oily sap called urushiol.Urushiol triggers an allergic reaction when it comes into contact with skin, resulting in ...

The rash caused by poison ivy, oak and sumac is the direct result of contact with an oily toxicant within the plant. The plant must be crushed or broken to release these oils.

Poison ivy, oak, and sumac are allergenic plants with an oil called urushiol that typically causes an itchy, inflamed rash. Learn about symptoms and more.

Meanwhile, poison sumac looks different because it has clusters of seven to 13 smooth leaflets arraigned in pairs. It grows as a tree, and when fully grown, it can reach up to 20 feet tall.

MayoClinic.org Home Remedies for Poison Ivy, Oak, and Sumac Rashes . Plant oil can linger on any surface—even skin—for a long time, so you'll want to wash it off right away with soap and cool ...