Scirpus pallidus (Britton) Fernald (Q3378)

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Scirpus pallidus is a taxon with the rank species within the genus Scirpus
Language Label Description Also known as
English
Scirpus pallidus (Britton) Fernald
Scirpus pallidus is a taxon with the rank species within the genus Scirpus

    Statements

    taxon/id/Scirpus pallidus (Britton) Fernald
    0 references
    Scirpus pallidus (Britton) Fernald
    Scirpus pallidus
    (Britton) Fernald
    FNA Editorial Committee. 2002. Flora of North America north of Mexico. Volume 23: Cyperaceae. Oxford University Press, New York.
    accepted
    scirpe pâle (French)
    pale bulrush (English)
    pale-green bulrush (English)
    cloaked bulrush (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
    rhizomes short, tough, fibrous.
    Culms: fertile ones upright or nearly so;
    Leaves 5–10 per culm;
    sheaths of proximal leaves green or whitish;
    proximal sheaths and blades with septa many, conspicuous or not;
    blades 20–55 cm × 8–16 mm.
    Inflorescences terminal, rarely also with 1 lateral inflorescence from distal leaf-axil;
    rays ascending or divergent (commonly both in same inflorescence), smooth throughout or scabrous at distal end, rays without axillary bulblets;
    bases of involucral-bracts green or margins brown, not glutinous.
    Spikelets aggregated in a few dense clusters of 12–130 (largest cluster with 40–50+), spikelets sessile, narrowly ovoid, 4–5 × 1.8–2.3 mm;
    scales black or brownish black with pale midribs, elliptic to ovate, 1.6–2.8 mm, ending in terete or flat awn 0.4–0.6 (–1.2) mm.
    Flowers: perianth bristles persistent, 6, rather stout, straight or curved, longest bristles equaling achene, with retrorse, thin-walled, round-tipped teeth in distal 0.3–0.5, enclosed within scales;
    Achenes pale-brown or almost white, oblongelliptic to elliptic or obovate in outline, plumply trigonous or planoconvex, 0.8–1.2 × 0.4–0.6 mm. 2n = 56.