Carex virescens Muhlenburg ex Willdenow (Q507)

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Carex virescens is a taxon with the rank species within the section Carex sect. Porocystis
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English
Carex virescens Muhlenburg ex Willdenow
Carex virescens is a taxon with the rank species within the section Carex sect. Porocystis

    Statements

    taxon/id/Carex virescens Muhlenberg ex Willdenow
    0 references
    Carex virescens Muhlenberg ex Willdenow
    Carex virescens
    Muhlenberg ex Willdenow
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    carex virescent (French)
    ribbed sedge (English)
    slender green sedge (English)
    Carex virescent (English)
    1 reference
    Newmaster, S.G. & S. Ragupathy. 2005. Flora Ontario - Integrated Botanical Information System (FOIBIS), Phase I. University of Guelph, Canada. http://www.uoguelph.ca/foibis http://www.uoguelph.ca/foibis/
    1 reference
    Tardif, B., B. Tremblay, G. Jolicoeur & J. Labrecque. 2016. Les plantes vasculaires en situation précaire au Québec. CDPNQ, Gouv. Québec, MDDELCC, Direction de l'expertise en biodiversité, Québec, 420 p. http://www.cdpnq.gouv.qc.ca/pdf/plantesVasculairesWeb.pdf
    dry to wet-mesic deciduous forests
    Culms 30–100 cm, sparsely pilose.
    Leaves: sheaths pilose;
    ligules longer than wide;
    blades 2–4 mm wide, pilose.
    Inflorescences: lateral spikes (18–) 20–35 × 2.5–3.5 mm, proximal distant;
    terminal spike gynecandrous, at least 1/2 of flowers pistillate, 20–35 (–40) mm.
    Pistillate scales ovate-circular, 1.5–2.5 (–3.2) × 0.9–1.2 mm, apex of proximal obtuse, with awn to 0.5 mm, apex of distal acute to acuminate, as long as perigynia.
    Staminate scales ovate, 2.8–4.1 mm, apex obtuse to acuminate.
    Anthers (1–) 1.6–2 (–2.8) mm.
    Perigynia ascending, distinctly 7–12-veined, elliptic, trigonous in cross-section, 1.9–2.5 × 1–1.4 mm, densely pilose;
    Achenes 1.5–2 × 0.8–1.1 mm. 2n = 60.