Sumac, (genus Rhus), genus of shrubs and small trees belonging to the cashew family (Anacardiaceae), native to temperate and subtropical zones. Sumacs have been used as a source of dyes, medicines, and beverages, and the dried fruits of some species are used as a spice in Middle Eastern cuisine.

Is sumac a tree or bush?

Sumacs are dioecious shrubs and small trees in the family Anacardiaceae that can reach a height of 1–10 m (3.3–32.8 ft). The leaves are usually pinnately compound, though some species have trifoliate or simple leaves.

Is poison sumac a tree or vine?

They have a sticky, long-lasting oil called urushiol that causes an itchy, blistering rash after it touches your skin. Even slight contact, like brushing up against the leaves, can leave the oil behind. Poison ivy and poison oak grow as vines or shrubs. Poison sumac is a shrub or tree.