Isolepis cernua (Vahl) Roemer & Schultes in J. J. Roemer et al. (Q3271)

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Isolepis cernua is a taxon with the rank species within the genus Isolepis
Language Label Description Also known as
English
Isolepis cernua (Vahl) Roemer & Schultes in J. J. Roemer et al.
Isolepis cernua is a taxon with the rank species within the genus Isolepis

    Statements

    taxon/id/Isolepis cernua (Vahl) Roemer & Schultes
    0 references
    Isolepis cernua (Vahl) Roemer & Schultes
    Isolepis cernua
    (Vahl) Roemer & Schultes
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    scirpe incliné (French)
    scirpe penché (French)
    souchet penché (French)
    low bulrush (English)
    low clubrush (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/
    Mexico (Baja California)
    temperate South America
    Eurasia
    Africa
    Australia
    New Zealand
    places
    beaches
    freshwater to brackish places on beaches
    marine bluffs
    sandy areas
    coastal
    Plants annual (or perennial?);
    rhizomes usually obscured by culm bases and very short, sometimes vertical and elongated.
    Culms 4–40 cm × 0.2–0.5 mm.
    Leaves sometimes sparsely orange-punctate at 10–15X;
    sheaths usually reddish proximally;
    distal blade rudimentary to much longer than sheath, often exceeding culm, to 20 cm × 0.2–1 mm.
    Inflorescences: involucral-bract 1, sometimes subtending flower or resembling enlarged floral scale, 2–6 (–23) mm.
    Spikelets 2–5 × 1–2 mm;
    scales partly or completely dark orange to redbrown, rarely stramineous, midrib greenish to stramineous, not gibbous, obscurely to prominently 3–11-veined, midrib keeled near apex, membranous, hyaline, apex rounded to acute, with mucro less than 0.1 mm;
    other scales 1.2–1.8 × 1–1.3 mm.
    Flowers: anthers 0.3–0.6 mm;
    styles 3-fid or 3-fid and 2-fid.
    Achenes falling separately from scales, medium to dark-brown or stramineous, ellipsoid to obovoid, compressedtrigonous to thickly biconvex, lateral angles usually prominent, abaxial angle prominent to obscure, faces convex or adaxial face slightly concave, 0.8–1 × 0.5–0.7 mm, distinctly papillose at 10–15X to obscurely papillose at 40X, often with thin whitish surface layer.