Carex sparganioides Schkuhr
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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 - Cespitose; stems 4–8 dm, usually rough above, equaling or surpassing the lvs; main lvs 4–10 mm wide, the sheath loose, ventrally pale and often thin, dorsally septate-nodulose and white with green veins or mottled; spikes androgynous, subglobose or ovoid; bracts none or setaceous, shorter than the heads; scales ovate, with broad hyaline margins, acute to cuspidate, barely if at all reaching the base of the beak of the subtended perigynium; perigynia planoconvex, green, ovate or lance-ovate, 3–4.5 mm, a third to two-thirds as wide, acuminate into a rough-margined beak a third to half as long as the body; achene lenticular, broadly ovate, the style-base very slightly thickened; 2n=46, 48. Dry woods and thickets, especially in calcareous regions; N.B. and Que. to Va., w. to Minn., S.D., and Okla. Three vars.