Carex silicea Olney
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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 - Densely tufted, aphyllopodic, 3–8 dm; main lvs 2–4 mm, equaling or shorter than the stiff stems, their sheaths ventrally green-veined almost to the summit; spikes 3–10, gynaecandrous, stoutly fusiform, 6–15 mm, densely fld, usually well separated in an erect infl 4–8 cm, the lateral ones tapering to the base, with numerous staminate fls; pistillate scales lance-ovate, nearly or quite as long as the perigynia, but distinctly narrower, pale brown or silvery, acute; perigynia mostly appressed, flatly planoconvex, ovate, 4–5.2 mm, three-fifths as wide, sharply nerved dorsally, obscurely so ventrally, broadest about the middle of the achene, tapering to the short, flat, serrulate beak; achene lenticular, 1.5 × 1 mm. Sand or sandy soil; near the coast from Nf. to Del.