1. Family: Poaceae Barnhart
    1. Genus: Sporobolus R.Br.
      1. Sporobolus wrightii Scribn.

        This species is accepted, and its native range is Central & S. U.S.A. to Mexico.

    [GB]
    Habit
    Perennial; caespitose. Culms erect; robust; 90-250 cm long; 2-9 mm diam. Leaf-sheaths without keel. Ligule a fringe of hairs; 1-2 mm long. Leaf-blades 20-70 cm long; 3-6 mm wide.
    Inflorescences
    Inflorescence a panicle. Panicle open; lanceolate; 20-60 cm long; 12-26 cm wide. Panicle branches bearing congested spikelets. Spikelets appressed; solitary. Fertile spikelets pedicelled. Pedicels 0.5 mm long.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 1.5-2.1 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 1.5-2.1 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes deciduous; shorter than spikelet. Lower glume ovate; 0.5-1 mm long; 0.5-0.66 length of upper glume; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume ovate; 0.8-1.8 mm long; 0.66-0.9 length of adjacent fertile lemma; membranous; without keels; 1 -veined. Upper glume lateral veins absent. Upper glume apex acute.
    Florets
    Fertile lemma ovate; 1.2-2.1 mm long; membranous; without keel; 1 -veined. Lemma apex obtuse. Palea 2 -veined. Palea keels approximate.
    Flowers
    Anthers 3.
    Fruits
    Caryopsis with free soft pericarp; 1.3 mm long.
    Distribution
    North America: southwest USA, south-central USA, and Mexico.
    Reference
    Eragrostideae. Gr Tex 1993.

    Images

    Distribution

    Native to:

    Arizona, California, Mexico Central, Mexico Northeast, Mexico Northwest, New Mexico, Oklahoma, South Carolina, Texas, Utah

    Introduced into:

    Egypt

    Sporobolus wrightii Scribn. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Wright, C. [726], USA K000307938
    Wright, C. [1975], USA K000307939
    Pringle, C.G. [s.n.], USA K000307935 isotype

    First published in Bull. Torrey Bot. Club 9: 103 (1882)

    Accepted by

    • Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • 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.
    • Boulos, L. (2005). Flora of Egypt 4: 1-617. Al Hadara Publishing, Cairo.
    • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.

    Literature

    Kew Backbone Distributions
    • Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
    • 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 2018. 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 2018. 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