Culms 6–10 dm, often decumbent at base; main lvs 3–8 mm wide; ligule under 1 mm; panicle dense and compact, ovoid or oblong, 0.6–1.2 dm, usually with 3–8 strictly ascending branches from each node, the 2 lowest internodes each less than 2(–2.5) cm; spikelets 4–7 mm, 4–7-fld; glumes broad and scarious, the first 1.5–2 mm, the second 2–2.7 mm; lemmas broadly elliptic to obovate, 3–3.7 mm, scarious at the margins and the blunt summit, about as long as the palea, the veins visible but not raised; stamens 2; 2n=40. Swamps, wet woods, and shallow water; N.S. to N.C., chiefly near the coast, and extending inland to the Catskills and e. Pa.
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