Carex cumulata (L.H.Bailey) Mack.
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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, aphyllopodic, 4–8 dm; main lvs 3–5 mm wide, shorter than the stiff stems, their sheaths ventrally green-veined almost to the summit; spikes 5–10, gynaecandrous, ovoid with rounded base, 7–10 mm, sessile, densely aggregated in an ovoid cluster 2–3 cm; pistillate scales much (usually 1–1.5 mm) shorter than the perigynia, hyaline, pale green or ± stramineous, obtuse; perigynia appressed, flatly planoconvex, 3.3–4 × 2.4–3.8 mm, nerveless on the ventral face of the obovate-orbicular body, abruptly rounded to the 0.75 mm beak; achene lenticular, 2 × 1.25 mm. Dry, rocky or sandy soil; P.E.I. to Wis., s. to N.J. and Ill.