Carex debilis Michx.
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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 - Tufted, to 1 m, purplish at base; main lvs 2-4 mm wide; staminate spike 2-4 cm, very slender, sometimes with a few distal perigynia; pistillate spikes 2-4, well separated, very slender, spreading or nodding, 3-6 cm × 4 mm, very loosely fld, the perigynia separated by internodes 2-4(-6) mm; pistillate scales oblong to obovate, half as long as the perigynia, with hyaline or brownish margins and narrow green midvein; perigynia lanceolate to narrowly ovoid, obscurely trigonous, 4.7-8.3 mm, conspicuously 2- ribbed, obscurely several-nerved, narrowed to a beak; achene trigonous, the angles thickened, the sides concave below, borne on a slender stipe 0.5-1.5 mm; 2n=60. Nf. to n. Mich. and Wis., s. to Fla. and Tex. Three vars.