1. Family: Poaceae Barnhart
    1. Genus: Sporobolus R.Br.
      1. Sporobolus spiciformis Swallen

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

    [GB]
    Habit
    Perennial; caespitose. Culms erect; 40-60 cm long. Culm-internodes distally glabrous. Leaf-sheaths longer than adjacent culm internode; without keel; glabrous on surface. Ligule a fringe of hairs; 0.3 mm long. Leaf-blades flexuous; flat, or involute; 7-12 cm long; 1-2 mm wide.
    Inflorescences
    Inflorescence a panicle. Panicle spiciform; linear; 9.5-13 cm long; 0.3-0.4 cm wide. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets elliptic; subterete; 1.8-2 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets elliptic; subterete; 1.8-2 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes deciduous; shorter than spikelet. Lower glume lanceolate; 0.8-1.3 mm long; 1 length of upper glume; hyaline; without keels. Lower glume lateral veins absent. Lower glume apex entire, or erose; obtuse, or acute. Upper glume lanceolate; 0.8-1.3 mm long; 0.5 length of adjacent fertile lemma; membranous; without keels; 1 -veined. Upper glume lateral veins absent. Upper glume apex entire, or erose; obtuse, or acute.
    Florets
    Fertile lemma lanceolate; 1.8-2 mm long; membranous; without keel; 1 -veined. Lemma apex erose; obtuse. Palea readily splitting down midline; 1 length of lemma; 2 -veined. Palea keels approximate.
    Flowers
    Anthers 1.3 mm long.
    Fruits
    Caryopsis with free soft pericarp.
    Distribution
    North America: Mexico.
    Reference
    Eragrostideae. Swallen 2002.

    Distribution

    Native to:

    Mexico Northeast

    Sporobolus spiciformis Swallen appears in other Kew resources:

    First published in Proc. Biol. Soc. Washington 56: 78 (1943)

    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

    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