Stems erect, 3-8 dm, closely pubescent all around with short, ±ascending hairs; lfls obovate-oblong or oblong, 3-7 cm, half to two-thirds as wide, pubescent above (often densely so), densely gray-tomentose beneath; racemes 2-3 cm, the fls densely crowded in the distal half; cal-lobes 4-6 mm, the upper 2 separate about half their length; fr hirsutulous with short hairs 0.5-1 mm from papillose bases, beneath them densely villosulous (scarcely visible at 10 x); 2n=22. Dry, sandy woods and barrens, chiefly on the coastal plain; Del. to Ky., Tenn., Fla. and La. July-Sept. Ours is var. tomentosa. (R. erecta; Dolicholus e.)
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.