Culms loosely clustered, slender and weak, 1.5-4 dm, somewhat geniculate at base, ascending or spreading, finely short-hairy; sheaths finely hairy; ligule a band of hairs 2-3 mm; blades thin, spreading, 2-4 cm נ2-5 mm, finely hairy beneath, short-pilose or rarely glabrous above; primary panicle ovoid, 3-5 cm, its axis puberulent; spikelets finely hairy, ovoid, 0.8-1 mm; the first glume inconspicuous, a fourth or a third as long; autumnal phase more decumbent, with numerous short, ascending branches, the crowded lvs 1.5-2.5 cm, the short-exsert panicles 1-3 cm; 2n=18. Wet ground, beaches, and borders of ponds; coastal plain from Mass. to Fla., Tex., and Cuba. (Dichanthelium acuminatum var. w.; Dichanthelium w.)
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.