Carex rossii Boott in W. J. Hooker (Q69)

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

    Statements

    taxon/id/Carex rossii Boott
    0 references
    Carex rossii Boott
    Carex rossii
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    carex de Ross (French)
    Ross' 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
    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
    Cody, W.J. 2000. Flora of the Yukon Territory. 2nd ed. National Research Press, Ottawa. 669 pp.
    1 reference
    Porsild, A.E. & W.J. Cody. 1980. Vascular Plants of the Continental Northwest Territories, Canada. National Museum of Natural Sciences, Ottawa, Ont. 667 pp.
    open montane pine
    woodlands
    sagebrush slopes
    deciduous wooded slopes
    prairies
    alpine meadows
    Plants densely cespitose;
    rhizomes usually ascending, occasionally horizontally spreading, dark reddish-brown to purplish brown, 0–10 mm, stout.
    Culms ascending, 7–30 (–40) cm, weakly to strongly scabrous distally;
    bases (remnants of old leaves) slightly fibrous.
    Leaf-blades pale to dark green, usually equaling or exceeding stems, occasionally shorter, 0.8–2.5 (–4) mm wide, herbaceous, glabrous abaxially, strongly scabrous to papillose adaxially.
    Inflorescences with both staminate and pistillate spikes;
    peduncles of basal pistillate spikes erect, elongate, slender;
    peduncles of staminate spikes 1.1–10 mm;
    proximal nonbasal bracts leaflike, exceeding inflorescences.
    Spikes: proximal pistillate spikes 2–4 (basal spikes 1–2);
    cauline spikes overlapping or somewhat separated, with 3–10 (–15) perigynia;
    staminate spikes (4.8–) 6–12.8 × (0.7–) 0.9–1.3 (–2.5) mm.
    Scales: pistillate scales pale to dark reddish-brown, with narrow white margins, ovate, 2.9–5.7 × 1.4–2.3 mm, shorter than perigynia, apex acute or acuminate to long-acuminate;
    staminate scales lanceolate, 3.2–5.8 × 1.2–1.8 mm, apex acuminate.
    Anthers 1.2–2 mm.
    Perigynia green to pale-brown, veinless, ellipsoid to obovoid, 3.1–4.5 × 1.4–1.7 mm;
    beak straight or slightly bent, pale green, occasionally with reddish-brown tinge, 0.9–1.7 mm, ciliate-serrulate, apical teeth 0.2–0.4 mm.
    Achenes brown, globose to obovoid or ellipsoid, obtusely trigonous in cross-section, 1.9–2.4 × 1.3–1.7 mm. 2n = 36.