Eleocharis geniculata (Linnaeus) Roemer & Schultes in J. J. Roemer et al. (Q3310)

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Eleocharis geniculata is a taxon with the rank species within the series Eleocharis ser. Maculosae
Language Label Description Also known as
English
Eleocharis geniculata (Linnaeus) Roemer & Schultes in J. J. Roemer et al.
Eleocharis geniculata is a taxon with the rank species within the series Eleocharis ser. Maculosae

    Statements

    taxon/id/Eleocharis geniculata (Linnaeus) Roemer & Schultes
    0 references
    Eleocharis geniculata (Linnaeus) Roemer & Schultes
    Eleocharis geniculata
    (Linnaeus) Roemer & Schultes
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    Eleocharis geniculata
    (Linnaeus) Roemer & Schultes
    éléocharide géniculée (French)
    bent spikerush (English)
    capitate spikerush (English)
    Canada spikerush (English)
    knee spikerush (English)
    geniculate spikerush (English)
    Bent spikerush (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
    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/
    Mexico
    West Indies
    Bermuda
    Central America
    South America
    Africa
    Pacific Islands
    brackish creeks
    canal banks
    dune depressions
    hammocks
    irrigation ditches
    lakeshores
    lagoons
    mangrove thickets
    maritime mud flats
    ditches
    salt marshes
    Plants tufted, without creeping rhizomes.
    Culms to 45 cm × 0.2–1 mm.
    Leaves: distal leaf-sheaths persistent, firm, distally tightly sheathing, apex acute.
    Spikelets orbicular to ovoid, 1–9 × 1–4 mm, apex rounded to acute;
    proximal scale without flower, not amplexicaulous;
    floral scales to 125, 11–14 per mm of rachilla, tightly appressed, dark redbrown to stramineous, ovate to elliptic, 0.8–3 × 0.6–2 (–2.3) mm, membranous to cartilaginous, apex rounded to acute.
    Flowers: perianth bristles (0–) 4–8, typically 7, redbrown, rarely whitish, vestigial to much exceeding tubercle, typically equaling achene, spinules few to dense;
    Achenes brown ripening to black, biconvex, orbicular to obpyriform, 0.5–1.1 × 0.3–0.7 mm, apex rarely constricted proximal to tubercle, very finely reticulate at 40X.
    Tubercles stramineous to whitish, umbonate to subconic, 0.2–0.4 × 0.2–0.5 mm, apex rounded to acute.