Schoenoplectus heterochaetus (Chase) Soják (Q3422)

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Schoenoplectus heterochaetus is a taxon with the rank species within the section Schoenoplectus sect. Schoenoplectus
Language Label Description Also known as
English
Schoenoplectus heterochaetus (Chase) Soják
Schoenoplectus heterochaetus is a taxon with the rank species within the section Schoenoplectus sect. Schoenoplectus

    Statements

    taxon/id/Schoenoplectus heterochaetus (Chase) Soják
    0 references
    Schoenoplectus heterochaetus (Chase) Soják
    Schoenoplectus heterochaetus
    (Chase) Soják
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    Schoenoplectus heterochaetus
    scirpe à soies inégales (French)
    slender bulrush (English)
    pale great bulrush (English)
    Slender bulrush (English)
    scirpe à sois inégales (English)
    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
    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.
    calcareous marshes
    to 1.5 m
    10–500(–2000) m
    Rhizomes 5–8 mm diam.;
    scales longer than internodes, disintegrating to fibers.
    Culms cylindric, 1.5–2.5 m × 4–8 mm.
    sheaths often separating from culm, resembling blade, sometimes reddish proximally, front membranous-translucent, splitting, and delicately pinnate-fibrillose, orifice adaxially deeply V-shaped;
    ligules entire, 1 mm;
    blades 1–2, thinly C-shaped to thin and dorsiventrally flat in cross-section, much shorter to longer than sheath, distal blade to 220 × 5 mm.
    Inflorescences 2× branched, open, plano to concavo-convex, to 9 cm;
    proximal bract usually erect, thickly C-shaped to subterete in cross-section, 1–15 cm, margins often scabridulous.
    Spikelets 5–30, solitary or rarely 2 together, 5–15 × 3–4 mm;
    scales light orangebrown to nearly colorless, usually obscurely lineolate-spotted, midribs often greenish, ovateoblong, 3–4 × 1.5 mm, sparsely reddish or straw-colored-scabrous distally on awn, sometimes midrib, and rarely adjacent parts of sides, margins ciliate, hairs contorted, flanks veinless, apex obtuse, notch 0.5 mm deep, awn straight to slightly contorted, 0.3–1 mm.
    Flowers: perianth members 4 (–5), brown, bristlelike, equaling achene body or adaxial and abaxial much shorter, sparsely retrorsely spinulose;
    Achenes dark graybrown, compressedtrigonous, obovoid, 2.2–3.2 × 1.4–1.9 mm;
    beak 0.3–1 mm. 2n = 38.