Carex mertensii J. D. Prescott ex Bongard (Q522)
Carex mertensii is a taxon with the rank species within the section Carex sect. Racemosae
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Carex mertensii J. D. Prescott ex Bongard
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Carex mertensii is a taxon with the rank species within the section Carex sect. Racemosae
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Statements
taxon/id/Carex mertensii J.D. Prescott ex Bongard
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Carex mertensii J.D. Prescott ex Bongard
Carex mertensii
J.D. Prescott ex Bongard
FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
accepted
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CA-BC
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Klinkenberg, B. (ed.). 2010+. E-Flora BC: Electronic Atlas of the Plants of British Columbia. Lab. for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver, B.C. http://www.eflora.bc.ca http://www.eflora.bc.ca/
CA-AB
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Packer, J.G. & A.J. Gould. 2017.Vascular Plants of Alberta. Part 1: Ferns, Fern Allies, Gymnospermes, and Monocots. University of Calgary Press, Calgary.
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CA-BC
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US-CA
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Culms 30–80 cm, distally scabrous.
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Leaves basal and cauline, 4–8 mm wide;
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proximal leaves reduced to sheaths.
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Inflorescences: proximal bracts usually exceeding, occasionally shorter than, inflorescences;
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spikes separate, the proximal often distant, pendent, long-pendunculate, elongate, cylindric or clavate, 10–40 × 7–9 mm;
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lateral 4–6 (–9) spikes pistillate;
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terminal spike gynecandrous.
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Pistillate scales dark-brown or black to margins, ovate or lanceolate, conspicuously shorter and narrower than perigynia, midvein lighter colored than body, conspicuous, often raised, prominent, mucronate.
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Perigynia ascending, green becoming pale-yellow or brown, faintly veined, ovate, 4–5 × 2.5–3.5 mm, apex gradually beaked, smooth;
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beak 0.3–0.4 mm, truncate or obscurely bidendate, smooth.
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Achenes filling proximal 1/2 or less of perigynia.
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conspicuously shorter and narrower
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green becoming pale-yellow or brown
becoming; becoming
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