Stout, erect, 1–2 m; lvs elongate, 5–10 mm wide, pubescent at least at base; uppermost sheath bladeless or nearly so; peduncle 2–3 dm; racemes 2–5, 6–10 cm, sparsely silky at base, the narrow axis scaberulous or rarely long-pilose, somewhat flexuous; spikelets in pairs or apparently solitary, one sometimes represented by a sterile pedicel, round-obovate, varying to elliptic or rarely ovate, blunt, glabrous, 3.8–4.3 mm, two-thirds to almost as wide; glume and sterile lemma 5-veined, the outer veins approximate near the margin; fertile lemma pale brown, shining, minutely rugulose; 2n=120, 160. Moist, usually sandy soil on the coastal plain from s. N.J. to Fla. and Tex., n. in the interior to s. Mo. and e. Kans. (P. glabratum, a form with glabrous lower sheaths)
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