Erect, monoecious or dioecious shrub to 1.5 m. Leaves trifoliolate, leaflets flat, pubescent, oblong-lanceolate to lanceolate, obtuse to tridentate, 4-7 x 1-3 mm. Flowers: male: stamens 12; female: receptacle 3-4 mm long, fusiform, glabrous to hairy, 3-winged, wings adpressed to receptacle.