Eleocharis engelmannii Steudel (Q3317)

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Eleocharis engelmannii is a taxon with the rank species within the series Eleocharis ser. Ovatae
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English
Eleocharis engelmannii Steudel
Eleocharis engelmannii is a taxon with the rank species within the series Eleocharis ser. Ovatae

    Statements

    taxon/id/Eleocharis engelmannii Steudel
    0 references
    Eleocharis engelmannii Steudel
    Eleocharis engelmannii
    Steudel
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    Eleocharis engelmannii
    éléocharide d'Engelmann (French)
    Engelmann's spikerush (English)
    Engelmann’s spike-rush (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
    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
    Harms, V.L. 2006. Annotated catalogue of Saskatchewan vascular plants. http://www.biodiversity.sk.ca/Docs/AnnotatedCatalogueSKVascPlants2006.pdf
    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/
    fresh shores
    marshes
    disturbed places
    Culms 2–40 cm × 0.5–1.5 (–2) mm.
    Leaves: apex of distal leaf-sheath obtuse to acute, tooth to 0.3 mm.
    Spikelets lanceoloid to subcylindric or ovoid, 5–10 (–20) × 2–3 (–4) mm, apex acute (to rounded);
    proximal scale empty, encircling ca. 2/3 of culm;
    floral scales 25–100 (–200), 8–12 per mm of rachilla, orangebrown to stramineous, 2 (–2.5) × 1–1.3 mm, midribs mostly keeled, ovate, apex narrowly rounded to subacute.
    Flowers: perianth bristles present or often absent, 5–8, brown, stout, rudimentary to slightly exceeding tubercle;
    anthers brown to yellow, 0.3–0.7 (–1) mm;
    Achenes 0.9–1.1 (–1.5) × 0.7–1.1 mm.
    Tubercles depressed, subdeltoid, 0.1–0.3 (–0.4) × 0.6–0.9 (–1) mm, 1/10–2/5 as high as wide, 1/4 or less as high as achene, 9/10 as wide as achene, very rarely 2/5 as high as achene (in E. engelmannii var. robusta).