Eleocharis flavescens (Poiret) Urban (Q3311)

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Eleocharis flavescens is a taxon with the rank species within the series Eleocharis ser. Maculosae
Language Label Description Also known as
English
Eleocharis flavescens (Poiret) Urban
Eleocharis flavescens is a taxon with the rank species within the series Eleocharis ser. Maculosae

    Statements

    taxon/id/Eleocharis flavescens (Poiret) Urban
    0 references
    Eleocharis flavescens (Poiret) Urban
    Eleocharis flavescens
    (Poiret) Urban
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    Eleocharis flavescens
    pale spikerush (English)
    wrinkle-sheathed spikerush (English)
    yellow spikerush (English)
    éléocharide jaunâtre (French)
    Pale spike-rush (English)
    wrinkle-sheathed spike-rush (English)
    temperate North America
    West Indies
    South America
    Plants with creeping rhizomes 0.5–1 mm thick.
    Culms 3–42 cm × 0.3–0.6 mm.
    Leaves: distal leaf-sheaths often disintegrating, thinly membranous-translucent, inflated distally, often wrinkled, apex blunt.
    Spikelets ellipsoid, 1.5–9 × 1–3.5 mm, apex acute to acuminate;
    proximal scale without flower, not amplexicaulous;
    floral scales to 65, 5–7 per mm of rachilla, loosely appressed to appressed, elliptic, 1–3 × 0.4–1.6 mm, membranous, apex acute.
    Flowers: perianth bristles (0–) 5–8, typically 7, white to stramineous, spinules dense to few;
    styles 2-fid, rarely 3-fid.
    Achenes stramineous to green or dark-brown, biconvex, rarely trigonous, obovoid to obpryiform, 0.4–1.1 × 0.3–0.8 mm, very finely reticulate at 40X.
    Tubercles whitish to stramineous or green, 0.2–0.7 × 0.2–0.4 mm, apex acute to acuminate.