Carex sprengelii Spreng.
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Cyperaceae
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Scientific Name
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Description
Species Description - Stems 4–8 dm, clustered on a stout, short or somewhat elongate rhizome that is densely covered with old fibrous lf-remains; lvs cauline as well as basal, elongate, mostly 1.5–4 mm wide; terminal 1 or 2 spikes staminate or with a few basal perigynia, 1–2 cm, the others 2–4, pistillate or the upper with a few distal staminate fls, 1.5–3.5 cm, 10–30-fld, not crowded, at least the lower ones loose to spreading or nodding on long, capillary peduncles; lowest bract with sheathing base 1–10 mm and long, slender blade, the others more reduced and often sheathless; pistillate scales narrow, acute or acuminate, pale, largely scarious or hyaline, often scabrous along the midrib, surpassing the body of the perigynium; perigynia 4.1–7.7 mm, the body broadly ellipsoid or ellipsoid-obovoid, prominently 2-nerved, 2.2–3.8 mm, abruptly contracted to the slender softly bidentate beak 1.7–4 mm; achene trigonous, the persistent style-base commonly contorted; 2n=42. Open woods, meadows, and rocky ledges; N.B. to B.C., s. to N.J., Io., and Colo. (C. longirostris, a preoccupied name)