Shrubs (those in Idaho); monoecious, or some flowers perfect and some unisexual on same plant. Leaves alternate. Pinnately compound or trifoliate (Lemonade Sumac has trifoliate leaves). Flowers in panicles or thyrsoid inflorescences; small, regular. Calyx 5 rarely 3-7; petals same as calyx or lacking; stamens same # as sepals or 2 times as many. Borne on outer edge of glandular disc; pistil 3 carpillary, 3 styled. Ovary one-locule and one seeded; fruit drupe or drupe-like.