Carex suberecta (Olney) Britton
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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, 3–7 dm; main lvs 2–3 mm wide, shorter or longer than the stem, their sheaths ventrally green-veined almost to the summit, with only a short hyaline area; spikes 2–5, gynaecandrous, ovoid, 7–12 mm, sessile, distinct but closely aggregated into an ovoid or short-oblong infl; pistillate scales shorter and narrower than the perigynia, yellowish-brown with pale midnerve and narrow hyaline margins, acute to cuspidate; perigynia numerous, appressed, prominently distended over the achene, 3.9–5.1 × 2.1–2.6 mm, 1.8–2.4 times as long as wide, broadest at a third to two-fifths their length, the broad body straight-tapered to the base, faintly nerved dorsally, nerveless or nearly so ventrally, abruptly contracted to the flat, serrulate beak; achene lenticular, 1.5 × 1 mm. Swamps and moist or wet meadows and shores, calciphile; s. Ont. to w. Va., s. Minn., and Mo.