Cyperus squarrosus Linnaeus (Q3250)

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Cyperus squarrosus is a taxon with the rank species within the subgenus Cyperus subg. Juncellus
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English
Cyperus squarrosus Linnaeus
Cyperus squarrosus is a taxon with the rank species within the subgenus Cyperus subg. Juncellus

    Statements

    taxon/id/Cyperus squarrosus Linnaeus
    0 references
    Cyperus squarrosus Linnaeus
    Cyperus squarrosus
    Linnaeus
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    souchet courbé (French)
    awned flatsedge (English)
    awned cyperus (English)
    awned nutsedge (English)
    bearded flatsedge (English)
    squarrose flatsedge (English)
    squarrose umbrella 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
    Marie-Victorin, Fr. 1995. Flore laurentienne. 3e éd. Mise à jour et annotée par L. Brouillet, S.G. Hay, I. Goulet, M. Blondeau, J. Cayouette et J. Labrecque. Gaétan Morin éditeur. 1093 pp.
    1 reference
    Hinds, H.R. 2000. Flora of New Brunswick : a manual for the identification of the vascular plants of New Brunswick. 2nd edition. Biology Department, University of New Brunswick, Fredericton. 699 pp.
    Mexico
    West Indies
    Bermuda
    Central America
    South America
    Eurasia
    Africa
    Atlantic Islands
    Indian Ocean Islands
    Pacific Islands
    Australia
    disturbed soils
    gravelly roadsides
    flood plains
    puddles
    muddy places
    Herbs, annual, cespitose, with fibrous-roots.
    Culms 1–20, trigonous, 2–16 cm × 0.5–0.8 mm, glabrous.
    Leaves 1–3, flat to V-shaped, (1–) 5–10 (–15) × 0.5–2.5 mm.
    Inflorescences: spike 1, loosely to densely ovoid to oblong, 6–20 (–40) × 9–15 (–20) mm;
    rays absent or 1–3 (–6), 4–40 mm;
    bracts (1–) 2–4, longest ± erect, V-shaped, 1–15 cm × 0.5–3 mm;
    Spikelets (2–) 6–20 (–40), greenish to reddish-brown, somewhat compressed, ovoidlanceoloid to oblong, 2.5–10 (–20) × 1.3–2.2 mm (excluding awns);
    floral scales deciduous, (4–) 10–20 (–34), greenish to stramineous or brownish red laterally, greenish medially, (5–) 7–9 (–11) -ribbed nearly to margins, oblong-lanceolate, (1.2–) 1.3–1.8 (–2.2) × (0.5–) 0.7–0.8 (–1) mm, apex cuspidate, excurved awn additional 0.5–1 (–1.3) mm.
    Flowers: stamen 1, filaments 1.5 mm;
    anthers oblong, 0.2–0.3 mm, connective apex reddish, minute;
    styles 0.3–0.5 mm;
    stigmas 0.4–0.7 mm.
    Achenes light-brown to nearly black, stipitate, obovoid (occasionally linear-spatulate or linear-oblong, infrequently constricted in middle), 0.7–0.8 (–1.1) × (0.2–) 0.3–0.4 (–0.5) mm, stipe 0.05–0.1 × 0.1 mm, apex truncate, apiculate, surfaces papillose.