Schoenoplectus americanus (Persoon) Volkart ex Schinz & R. Keller (Q3421)

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Schoenoplectus americanus is a taxon with the rank species within the section Schoenoplectus sect. Schoenoplectus
Language Label Description Also known as
English
Schoenoplectus americanus (Persoon) Volkart ex Schinz & R. Keller
Schoenoplectus americanus is a taxon with the rank species within the section Schoenoplectus sect. Schoenoplectus

    Statements

    taxon/id/Schoenoplectus americanus (Persoon) Volk ex Schinz & R. Keller
    0 references
    Schoenoplectus americanus (Persoon) Volk ex Schinz & R. Keller
    Schoenoplectus americanus
    (Persoon) Volk ex Schinz & R. Keller
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    Schoenoplectus americanus
    (Persoon) Volk ex Schinz & R. Keller
    scirpe d'Amérique (French)
    American bulrush (English)
    Olney's bulrush (English)
    Olney's three-square bulrush (English)
    three-square bulrush (English)
    chairmaker's bulrush (English)
    Olney’s three-square bulrush (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
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York. http://www.efloras.org/volume_page.aspx?volume_id=1023&flora_id=1
    1 reference
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York. http://www.efloras.org/volume_page.aspx?volume_id=1023&flora_id=1
    1 reference
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York. http://www.efloras.org/volume_page.aspx?volume_id=1023&flora_id=1
    1 reference
    Zinck, M. 1998. Roland's Flora of Nova Scotia. Nimber Publishing & Nova Scotia Museum. Halifax, N. S. 2 vols. 1297 pp.
    Mexico
    West Indies (Puerto Rico)
    Central America
    South America
    brackish
    mineral-rich shores
    marshes
    Rhizomes 2–5 mm diam.
    Culms sharply trigonous, sides deeply concave throughout to rarely nearly flat, 0.4–2.5 m × 3–10 mm.
    Leaves ca. 3, basal, less than 1/2 culm length;
    blades 1–3, V-shaped near base, otherwise laterally flattened-trigonous in cross-section;
    distal blade 0.2–1.5 times as long as sheath, 25–200 × 2–8 mm.
    Inflorescences capitate or very rarely with 1 branch to 5 mm;
    proximal bract usually erect, resembling leaf-blade, 1–6 cm.
    Spikelets 2–20, 5–15 × 3–5 mm;
    scales bright orange to red or purple-brown to straw-colored, often partly translucent, usually clearly lineolate-spotted, broadly ovate, 2.7–4 × 2–3 mm, smooth or awn sparsely spinulose, margins deciduously ciliolate, flanks of proximal scale often with several ribs, apex rounded to acute, notch 0.1–0.4 mm deep, awn not contorted, 0.2–0.6 mm.
    anthers 1.5–3 mm;
    styles 2-fid or 2-fid and 3-fid.
    Achenes brown when ripe, thickly planoconvex or unequally biconvex or compressed obtusely trigonous, obovoid, 1.8–2.8 × 1.3–2 mm;
    beak 0.1–0.3 mm. 2n = 78.