Stems slender, prostrate, much branched, 2-6 dm; stipules free from the petiole, lanceolate, prolonged below into a short auricle; lfls commonly 4, 1-3 cm, lance- linear to obovate; spikes terminal, with 3-10 fls 1-2 cm apart; bracts 7-10 mm, broadly oval, erect, auriculate; fls yellow, 1 cm; joints of the pod 2-4, bristly, 3-4 mm; 2n=20. Dry sandy soil; se. Va. to Fla. and Mex. Summer.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.