Carex aperta Boott in W. J. Hooker (Q386)
Carex aperta is a taxon with the rank species within the section Carex sect. Phacocystis
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English |
Carex aperta Boott in W. J. Hooker
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Carex aperta is a taxon with the rank species within the section Carex sect. Phacocystis
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Statements
taxon/id/Carex aperta Boott
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Carex aperta Boott
Carex aperta
Boott
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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Plants not cespitose.
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Culms acutely angled, 15–90 cm, scabrous.
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Leaves: basal sheaths redbrown;
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sheaths of proximal leaves with blades, backs glabrous, fronts with pale-brown spots, veinless, glabrous, apex U-shaped, membranous, colorless;
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blades 3–6 mm wide.
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Inflorescences: proximal bract subequal to inflorescence, 2–4 mm wide.
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proximal 2–3 spikes pistillate, 1.5–3.5 cm × 4–6 mm, base obtuse;
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terminal 1–2 spikes staminate.
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Pistillate scales redbrown, longer than perigynia, apex acute or acuminate, awnless.
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Perigynia divergent, olive-brown with redbrown spots on apical 1/2, veinless, inflated, loosely enclosing achenes, obovoid, 2.5–2.8 × 1.5–2 mm, dull, apex rounded, papillose;
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beak green, 0.1–0.3 mm.
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