Wooded bluffs of the Ohio River. Rare. It has been reported from Clark and Jefferson Counties.

Slender, glabrous vine 1-2 m; lvs orbicular in outline, cordate at base, shallowly or deeply 5-lobed, 3-7 cm; fls few, the pistillate solitary, slender- peduncled, 8 mm wide, the staminate smaller, 2-6 in a short raceme terminating a slender peduncle; fr ovoid, green, 1 cm. Woods; s. Va., s. Ind., and s. Mo. to Fla. and n. Mex. June-Aug.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

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