Carex heleonastes L.f.
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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 - In small tufts and also with long, slender rhizomes; stems slender but stiff, usually surpassing the lvs, sharply triangular, very rough on the angles above; lvs 4–8 on the lower fourth of the stem, 6–12 cm × 1–2 mm, scabrous distally; spikes 2–4, gynaecandrous, aggregated into a head 1–2 cm × 5–10 mm; scales strongly brown-tinged with pale margins, nearly as long as the perigynia; perigynia 5–10, elliptic-obovate, planoconvex, 2.5–3 mm, abruptly sharp-margined, finely several-nerved on both sides, tapering to a distinct (0.5 mm) beak; achene lenticular, filling the perigynium. Wet open places, especially in calcareous regions; circumboreal, and reported from n. Mich.