Carex backii Boott
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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
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Species Description - Much like no. 90 [Carex willdenowii Willd.]; main lvs 3–6 mm wide; staminate scales ca 3, the margins connate to above the middle; pistillate scales wholly green, wider than and nearly concealing the perigynia, the lower elongate and lf-like, (1.5–)2–7 cm, the upper progressively reduced but still surpassing the perigynia; perigynia 2–5, turgid, rounded-trigonous, inconspicuously nerved, 4–5.4 mm, rhombic-ovoid and obscurely beaked to subglobose or obovoid and with a conspicuous, smooth or obscurely serrulate beak to 2 mm; achene without a stylar apiculus; 2n=66. Woods and thickets; Que. to N.J., w. across the n. states to Minn., Neb., B.C., Oreg., and Utah. (C. durifolia; C. saximontana)