Carex aperta Boott in W. J. Hooker (Q386)

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Carex aperta is a taxon with the rank species within the section Carex sect. Phacocystis
Language Label Description Also known as
English
Carex aperta Boott in W. J. Hooker
Carex aperta is a taxon with the rank species within the section Carex sect. Phacocystis

    Statements

    taxon/id/Carex aperta Boott
    0 references
    Carex aperta Boott
    Carex aperta
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    carex ouvert (French)
    open sedge (English)
    Columbia sedge (English)
    Columbian sedge (English)
    1 reference
    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/
    1 reference
    Packer, J.G. & A.J. Gould. 2017.Vascular Plants of Alberta. Part 1: Ferns, Fern Allies, Gymnospermes, and Monocots. University of Calgary Press, Calgary.
    Plants not cespitose.
    Culms acutely angled, 15–90 cm, scabrous.
    Leaves: basal sheaths redbrown;
    sheaths of proximal leaves with blades, backs glabrous, fronts with pale-brown spots, veinless, glabrous, apex U-shaped, membranous, colorless;
    blades 3–6 mm wide.
    Inflorescences: proximal bract subequal to inflorescence, 2–4 mm wide.
    proximal 2–3 spikes pistillate, 1.5–3.5 cm × 4–6 mm, base obtuse;
    terminal 1–2 spikes staminate.
    Pistillate scales redbrown, longer than perigynia, apex acute or acuminate, awnless.
    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;
    beak green, 0.1–0.3 mm.