Trees, small, or scandent or climbing shrubs, up to 15 m tall, andromonoecious or sometimes hermaphroditic. Leaves 1-pinnately compound; petiole 6-18 cm; petiolules of terminal leaflet 3-10 cm, those of lateral leaflets shorter; leaflets (3-)5, ovate, narrowly ovate, or oblong to elliptic, 6-15 × 2.5-8 cm, both surfaces glabrous or abaxially pubescent on veins.

Inflorescence a terminal corymb of umbels, glabrous to pilose; primary axis 0.5-3.5 cm; secondary axes 7-13, each 7-17 cm, with a terminal umbel of bisexual flowers and 2-6 lateral, verticillate umbels of male flowers, peduncle 2-4.5 cm; pedicels 5-15 mm, glabrous or pilose. Ovary 5-carpellate; styles united into a column. Fruit ovoid-globose, 4-5.5 mm in diam.; styles persistent. Fl. Jun-Aug, fr. Aug-Oct.