1. Family: Poaceae Barnhart
    1. Genus: Sporobolus R.Br.
      1. Sporobolus arenicola P.M.Peterson

        This species is accepted, and its native range is Arizona to Nebraska and NW. Texas.

    [GB]
    Habit
    Perennial. Rhizomes elongated. Culms 100-200 cm long; 4-15 mm diam. Ligule a fringe of hairs; 1-2 mm long. Leaf-blades flat, or conduplicate; 30-60 cm long; 5-12 mm wide. Leaf-blade apex filiform.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; 30-60 cm long; contracted about secondary branches. Primary panicle branches ascending, or spreading; 10-20 cm long. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 7-10 mm long; breaking up at maturity; disarticulating below each fertile floret. Spikelet callus bearded. Spikelet callus hairs 0.5 length of spikelet.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 7-10 mm long; breaking up at maturity; disarticulating below each fertile floret. Spikelet callus bearded. Spikelet callus hairs 0.5 length of spikelet.
    Glume
    Glumes persistent; similar; exceeding apex of florets, or reaching apex of florets. Lower glume ovate; 0.9 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume ovate; 1-1.1 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume lateral veins absent. Upper glume apex acute.
    Florets
    Fertile lemma obovate; 7-10 mm long; membranous; keeled; 1 -veined. Lemma surface pubescent; hairy below. Lemma apex acute. Palea oblong; 1.1 length of lemma; 2 -veined. Palea keels distant but flanking a median depression; pubescent; adorned below.
    Fruits
    Caryopsis with free soft pericarp.
    Distribution
    North America: northwest USA, north-central USA, southwest USA, and south-central USA.
    Reference
    Eragrostideae. Gould.

    Images

    Distribution

    Native to:

    Arizona, Colorado, Kansas, Mexico Northeast, New Mexico, Oklahoma, Texas, Utah

    Sporobolus arenicola P.M.Peterson appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Nuttall, W.L. [s.n.] Calamovilfa gigantea K000907278

    First published in Taxon 63: 1233 (2014)

    Accepted by

    • Govaerts, R. (2019). World Checklist of Vascular Plants (WCVP Database) The Board of Trustees of the Royal Botanic Gardens, Kew.

    Literature

    Kew Backbone Distributions
    • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
    • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.

    Sources

    GrassBase - The Online World Grass Flora
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2020. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families 2020. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0