1. Family: Poaceae Barnhart
    1. Genus: Sporobolus R.Br.
      1. Sporobolus coahuilensis J.Valdés

        This species is accepted, and its native range is NE. Mexico.

    [GB]
    Habit
    Annual. Culms geniculately ascending; 15-60 cm long. Culm-internodes distally glabrous. Leaf-sheaths mostly shorter than adjacent culm internode; glabrous on surface. Ligule a fringe of hairs; 0.5-1 mm long. Leaf-blades spreading; 4-12 cm long; 1.5-6 mm wide. Leaf-blade surface pilose; sparsely hairy; hairy adaxially; with tubercle-based hairs.
    Inflorescences
    Inflorescence a panicle. Panicle open, or contracted; ovate; 6-22 cm long; 5-13 cm wide. Primary panicle branches whorled at most nodes. Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform; 2-8 mm long.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets elliptic; subterete; 1-1.5 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets elliptic; subterete; 1-1.5 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes deciduous; reaching apex of florets. Lower glume lanceolate; 0.5 mm long; 0.33 length of upper glume; hyaline; without keels. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 1.4-1.5 mm long; 1 length of adjacent fertile lemma; membranous; without keels; 1 -veined. Upper glume lateral veins absent. Upper glume apex acute.
    Florets
    Fertile lemma lanceolate; 1.3-1.4 mm long; membranous; without keel; 1 -veined. Lemma apex acute. Palea readily splitting down midline; 1-1.3 mm long; 2 -veined. Palea keels approximate.
    Fruits
    Caryopsis with free soft pericarp; ellipsoid; 0.6-0.9 mm long; light brown. Embryo 0.33 length of caryopsis.
    Distribution
    North America: Mexico.
    Reference
    Eragrostideae. Valdes 2002.

    Distribution

    Native to:

    Mexico Northeast

    Sporobolus coahuilensis J.Valdés appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1991 Peterson, P.M. [10000], Mexico K000334691

    First published in Phytologia 41: 81 (1978)

    Accepted by

    • 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.

    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.

    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.

    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