Culms slender, 5–15 dm, from a short stout rhizome; sheaths glabrous, to 30 cm, the basal ones keeled, firm, persistent on the rhizome; blades to 50 cm, 2–5 mm wide, articulated to the sheath; ligule under 0.5 mm; infl ± loose and open, 1–4 dm × 4–20 cm, with ascending to spreading branches; pedicels often with an apical tuft of fine hairs; first glume 1.7–4 mm, the second 3.3–5 mm; lemma 4–5.4 mm, the callus-hairs a fourth to half as long; lemma and palea hairy on the back. Swamps and bogs in the pine-barrens of N.J. and from se. Va. to S.C.
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