Restricted to the flood plains of the streams of the southern and southwestern part of the state. In cultivation it has proven hardy as far north as Bluffton. In the Lower Wabash Valley it climbs to the tops of the tallest trees and reaches a diameter of 3 inches.
Indiana Coefficient of Conservatism: C = 3
Wetland Indicator Status: FAC
Diagnostic Traits: Vine with white pith; lenticels conspicuous; tendrils without adhesive disks; leaves simple or palmately lobed; petals free distally.
High-climbing vine; tendrils few or none on the flowering branches; lvs deltoid-ovate, 6-12 cm, sharply serrate-dentate, broadly truncate to shallowly cordate at base, glabrous or nearly so except at the summit of the long petiole, the terminal tooth acuminate; infls long-peduncled, arising opposite the lvs, repeatedly forked, glabrous; fls 4 mm wide, the pet glabrous; fr bluish, 7-10 mm; 2n=40. Alluvial woods, chiefly on or near the coastal plain; s. O. to Io. and e. Neb., s. to S.C. and Fla. June. (Cissus ampelopsis)
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.