Stems mostly prostrate and straight or twining only at the tip, retrorsely strigillose or glabrate; lfls elliptic to ovate-oblong or oblong-lanceolate, strigillose or glabrate beneath, glabrous to strigillose-scaberulous above, the terminal one 2-5 cm; racemes few-fld, 3-6(-10) cm, the fls nearly adjacent, 12-18 mm; cal-tube glabrous or strigose, the lobes 3.5-7 mm; frs 3-5 cm, strigose. Dry sandy woods and barrens, chiefly on the coastal plain; s. N.Y. to Fla. and Miss. July, Aug. (? G. glabella)
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
