Carex subfusca W. Boott in S. Watson (Q356)

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Carex subfusca is a taxon with the rank species within the section Carex sect. Ovales
Language Label Description Also known as
English
Carex subfusca W. Boott in S. Watson
Carex subfusca is a taxon with the rank species within the section Carex sect. Ovales

    Statements

    taxon/id/Carex subfusca W. Boott
    0 references
    Carex subfusca W. Boott
    Carex subfusca
    W. Boott
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    carex roussâtre (French)
    rusty slender sedge (English)
    rusty sedge (English)
    brown sedge (English)
    1 reference
    Douglas, G.W., G.B. Straley, D.V. Meidinger & J. Pojar. 1998. Illustrated Flora of British Columbia. B.C. Ministry of Environment, Lands & Parks and B.C. Ministry of Forests. Victoria. Crown Publications. 8 vols.
    1 reference
    Bennett, B. Yukon List. (pers. comm.)
    Mexico (Baja California)
    Pacific Islands (Hawaii)
    mountain meadows
    watercourses
    Plants densely cespitose.
    Culms 20–104 cm.
    Leaves: sheath white-hyaline, summits usually U-shaped, sometimes rounded and prolonged to 3 mm beyond collar;
    distal ligules 1–3 (–6) mm;
    blades 3–5 (–8) per fertile culm, 6–45 cm × 1.2–3 (–3.7) mm.
    Inflorescences open or dense, green to brown, 1.1–3 cm × 5.4–16.3 mm, appearing fine-textured;
    proximal internode (1.5–) 2.5–9.5 mm;
    2d internode 1–3 (–6) mm;
    proximal bracts scalelike or bristlelike shorter than inflorescences.
    Spikes 4–11 (–14), densely or loosely aggregated, broadly ovoid to ovoid, 5–11 × 2.7–7.1 mm, base rounded or acute, apex usually rounded.
    Pistillate scales usually white-hyaline or hyaline gold, occasionally chestnut to dark-brown, with pale to green midstripe, ovate to broad-ovate, 2.1–3.5 (–3.9) mm, shorter than or ± covering perigynia, margin white, 0–0.2 mm wide, apex obtuse to acuminate.
    Perigynia ascending to spreading, green, straw colored to light-brown, or whitish, conspicuously (0–) 2–8 (–11) -veined abaxially, conspicuously 0–6-veined adaxially, veins thick, reaching, not extending beyong top of achene, lanceovate to ovate, planoconvex, 2.4–4 (–4.3) × 0.9–1.9 mm, 0.4–0.5 (–0.6) mm thick, 2.1–2.7 times as long as wide, margin flat, including wing 0.15–0.3 (–0.45) mm wide, ciliate-serrulate at least on distal body;
    beak green, gold, brown or white-hyaline at tip, flat, ± ciliate-serrulate or cylindric, unwinged, ± entire for 0.4–0.7 mm, abaxial suture usually inconspicuous, distance from beak tip to achene 1.2–2 mm.