Carex athrostachya Olney (Q317)

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Carex athrostachya is a taxon with the rank species within the section Carex sect. Ovales
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English
Carex athrostachya Olney
Carex athrostachya is a taxon with the rank species within the section Carex sect. Ovales

    Statements

    taxon/id/Carex athrostachya Olney
    0 references
    Carex athrostachya Olney
    Carex athrostachya
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    carex à épis serrés (French)
    slender-beaked sedge (English)
    slender-leaved sedge (English)
    jointed-spike sedge (English)
    long-bracted 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.
    1 reference
    Harms, V.L. 2006. Annotated catalogue of Saskatchewan vascular plants. http://www.biodiversity.sk.ca/Docs/AnnotatedCatalogueSKVascPlants2006.pdf
    Mexico (n Baja California)
    1 reference
    Bennett, B., P.M. Catling, W.J. Cody & G.W. Argus. 2010. New records of vascular plants in the Yukon Territory VIII. Canadian Field Naturalist 124 (1): 1-27. http://canadianfieldnaturalist.ca/index.php/cfn/article/view/1025
    moist meadows
    marshes
    lake margins
    Plants densely cespitose.
    Culms (5–) 20–80 cm.
    distal ligules 1–3 (–5) mm;
    blades 3–4 (–5) per fertile culm, 10–20 cm × (1.5–) 2–3 (–5) mm.
    Inflorescences erect, dense, headlike, green to brown, (0.8–) 1.5–2.2 cm × 7–20 mm;
    proximal internode 1.5–5 mm;
    2d internode 1–3.5 mm;
    proximal 2–3 bracts leaflike, ascending to spreading, much longer than inflorescences, usually less than 1.8 mm wide, bases ± surrounding culms.
    Spikes (5–) 7–10 (–14), individually distinct or indistinct, broadly ovoid to ovoid, (4.5–) 7–10 × 4.5–7 (–9) mm, base and apex truncate to acute.
    Pistillate scales gold to brown, with whitish, green, or tan midstripe, lanceolate to ovate, 2.4–4.3 mm, shorter, narrower than perigynia, margin sometimes white, 0.25 mm wide, apex acuminate to awned.
    Perigynia ascending to ascending-spreading, cream colored to light-brown, conspicuously 0–9-veined abaxially, conspicuously 0–8-veined adaxially, ovate to lanceolate, planoconvex or flat, (2.8–) 3.5–4 (–4.8) × (0.8–) 1–1.5 (–1.8) mm, 0.35–0.45 mm thick, margin flat, including wing (0.1–) 0.2 (–0.5) mm wide, wing ciliate-serrulate on distal body;
    beak gold to redbrown at tip, cylindric, unwinged, abaxial suture usually with conspicuous white margin, distance from beak tip to achene 1.9–2.5 mm, entire for at least 0.4–0.9 mm.