Description
provided by eFloras
Plants colonial from long-creeping rhizomes. Culms 40–120 cm × 0.6–1 mm, smooth or scabrous distally. Leaves: blades flat, trigonous in cross section distally, to 30 cm × 1.5–4 mm; distal leaf blade much longer than sheath. Inflorescences: blade-bearing involucral bracts 2–5, sometimes brown-tinged proximally, leaflike, longest 4–12 cm. Spikelets 2–10, usually in dense head, ovoid, 6–10 mm in flower, 10–20 mm in fruit; peduncles 2–10(–20) mm, scabrid; scales brown, often with green center, ovate-oblong, 4–5 mm, obscurely ribbed or with 3–5 equally prominent ribs, apex obtuse. Flowers: perianth bristles usually 10 or more, brown at least at base, rarely entirely white, 12–18 mm, smooth; anthers 0.7–1.5 mm. Achenes dark brown to black, narrowly obovoid or ellipsoid, 2.5–4 mm.
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- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
provided by eFloras
St. Pierre and Miquelon; N.B., Nfld. and Labr., N.S., Ont., P.E.I., Que.; Conn., D.C., Ill., Ind., Maine, Md., Mass., Mich., Minn., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., S.C., Tenn., Vt., Va., W.Va., Wis.
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Flowering/Fruiting
provided by eFloras
Fruiting mid summer–early fall.
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA