Carex proposita Mackenzie in N. L. Britton et al. (Q350)

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Carex proposita is a taxon with the rank species within the section Carex sect. Ovales
Language Label Description Also known as
English
Carex proposita Mackenzie in N. L. Britton et al.
Carex proposita is a taxon with the rank species within the section Carex sect. Ovales

    Statements

    taxon/id/Carex proposita Mackenzie
    0 references
    Carex proposita Mackenzie
    Carex proposita
    Mackenzie
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    propose sedge (English)
    Great Smoky Mountain 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.
    2400–4100 m
    Plants densely cespitose.
    Leaves: sheath adaxially white-hyaline, summits U-shaped;
    distal ligules 0.9–2 mm;
    blades 2–4 (–5) per fertile culm, occasionally folded, 6–20 cm × (0.5–) 1–2 (–2.5) mm, if not folded, margins revolute.
    Inflorescences dense or open, gold to dark-brown, 1.7–3 cm × 11–18 mm;
    proximal internode 4–8.6 mm;
    2d internode 1.5–3.5 mm;
    proximal bracts usually scalelike or bristlelike, occasionally leaflike, shorter than inflorescences.
    Spikes 3–6, distant to loosely aggregated, distinct or individually indistinct, broadly ovoid, 10–15 × 7–9 mm, base acute to attenuate, apex rounded.
    Pistillate scales gold or reddish to dark-brown, with pale midstripe, lanceolate to ovate, 3.5–4.8 mm, usually shorter than and 1/3–1/2 width of perigynia, margin white, 0–0.2 mm wide, apex obtuse to acuminate.
    Anthers long-persistent.
    conspicuously 3–11-veined abaxially, conspicuously 0–13-veined adaxially, broadly ovate, usually flat, 4.3–6.3 × 2–3 mm, 0.25–0.5 mm thick, margin flat, including wing 0.4–0.9 mm wide, edge often minutely crinkled;
    beak redbrown or brown, usually white-hyaline at tip, cylindric, unwinged, ± entire for (0.3–) 0.5–0.9 mm, ciliate-serrulate at least on distal body, abaxial suture inconspicuous or with conspicuous white margin, distance from beak tip to achene (1.9–) 2.2–3.7 mm.
    Achenes elliptic, 1.5–2.1 × 0.75–1.1 (–1.3) mm, 0.25–0.5 mm thick.