PhytoKeys 42: 13. 2014.
Lianas, moderate to high climbing. Branchlets glabrous or glabrate. Leaves ternately 2-pinnate or partially 3-pinnate; petiole shorter than blade; blade triangular-ovate in outline, 10–20 cm diam.; leaflets ovate to rhombic-ovate, 2–5 cm, base rounded, truncate, or cuneate, margins coarsely serrate, apex acute to acuminate, abaxial surface sparsely hairy, adaxial surface glabrous. Inflorescences usually shorter than leaves. Flowers yellowish green. Berries oblate to subglobose, 7–15 mm diam. 2n = 40.
Phenology: Flowering late May–Jun; fruiting Sep–Oct.
Habitat: Stream banks, edges of swamp forests, floodplain forests, maritime woodlands, moist to wet hammocks, shrubby interdune swales, fence- and hedgerows, thickets, roadsides, waste places.
Elevation: 0–400 m.
Ala., Ark., D.C., Fla., Ga., Ill., Ind., Ky., La., Miss., Mo., N.Mex., N.C., Ohio, Okla., S.C., Tenn., Tex., Va., W.Va.