Glabrous shrub, 5-7 m tall but usually pruned; stems with elongate lenticels. Leaves imparipinnate; petiole, rachis, and petiolules often purplish and marked with light green streaks; leaflets 3-9, variable, orbicular to ovate-elliptic, obtuse to short-acuminate at apex, acute to rounded at base, attenuate to petiole, mostly 5-12 cm long, 3-7 cm wide, sharply serrate, the margins sometimes white. Panicles large, open, the umbels long pedunculate; flowers small, 4- or 5-parted, pedicellate; ovary 5-8-locular. Fruits not seen. Croat 14549. Cultivated in the Laboratory Clearing and usually pruned. Seasonal behavior not determined.