Stems high-climbing, tough and flexible; lvs petioled, ovate, oval, or oblong, 3-6 cm, acute to rounded, entire or undulate, glabrous, with several conspicuous parallel ascending veins; panicles 1-5 cm; sep and pet 2 mm; fr oval or oblong, slightly compressed, 6-8 mm. Swamps and wet woods, chiefly on the coastal plain; se. Va. to Fla. and Tex., n. in the interior to s. Ill. May.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.