Tufted annual 1-3 dm; lvs ±basally disposed, flat or folded, 1-2 mm wide; bracts 3-5, surpassing the infl, 1-2 mm wide; spikes few and sessile, or 1-4 rays present and up to 10 cm; spikelets 3-10, digitately spreading, 1-2.5 cm נ2-4 mm, flattened, 10-40-fld; rachilla persistent; scales 2.5-3.5 mm, broadly ovate, keeled, acuminate and with shortly excurrent midrib, multinerved, greenish, with broad, thin, coppery or pale (often also red-lineolate) margins; achenes shining brownish, broadly obovoid- trigonous, 1-1.4 mm. Sandy woods and fields; pantrop., n. near the coast to Del. and inland to Mo.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.