Twining vine, prostrate or climbing to 4 m, densely pubescent on the angles with spreading or somewhat reflexed hairs, thinly pubescent on the sides; terminal lfl broadly elliptic, rhombic, or subrotund, 2-5 cm, three-fourths as wide to wider than long, sparsely pubescent on both sides; lowest lvs often 1-foliolate; cal-lobes 7-10 mm, the upper 2 separate a third to half their length; fr pubescent with slender straight hairs over a minute puberulence; 2n=22. Dry sandy woods and barrens on the coastal plain; se. Va. to Fla. and Tex. June, July. (R. tomentosa, misapplied)

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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