Scirpus peckii Britton

Scirpus peckii Britton, Trans. N. Y. Acad. 11: 82. 1892
Scirpus polyphyllus /3 Macrostachys Bock. Linnaea 36; 731. 1870.
Scirpus atratus Fernald, Rhodora 2: 18. 1900.
Scirpus polyphyllus f. macrostachys Fernald, Rhodora 45: 296. 1943.
Perennial; culms 0.8-1.7 m. high, erect, slender, wiry, smooth; sheaths green, the margin of the orifice firm or narrowly hyaline; leaves 3-4 dm. long, 5-9 mm. broad, pale green, strongly scabrous on the margins and midrib; involucre of 1 or 2 leaflike bracts to 1.5 dm. long, the involucels scale-like, blackish; inflorescence 0.5-2 dm. high, the 2-5 longest (to 8 cm. long) stiff rays ascending, the others shorter (to 4 cm. long), ascending or divergent, the tips scarcely drooping; spikelets (occasionally viviparous) oblong-cylindric, 5-9 mm. long, on slender rays 1-6 cm. long, subsessile or sessile in glomerules of 2-7; scales 1.5 mm. long, oblong-ovate, acutish or obtuse, green or blackish-ferruginous above the pale base; style trifid, reddish; bristles 6, white, elongate; achene 0.75 mm. long, whitish, oblong, smooth, apiculate.
Type locality: Lake Pleasant, Hamilton County, New York.
Distribution : Meadows and bogs ; northern New Hampshire, Vermont, and New York.

Scirpus peckii là loài thực vật có hoa trong họ Cói. Loài này được Britton miêu tả khoa học đầu tiên năm 1892.