1. Family: Poaceae Barnhart
    1. Genus: Muhlenbergia Schreb.
      1. Muhlenbergia utilis (Torr.) Hitchc.

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

    [GB]
    Habit
    Perennial. Rhizomes elongated; scaly. Culms slender; 20-40 cm long. Culm-internodes smooth. Leaf-sheaths without keel. Ligule an eciliate membrane; 0.5 mm long; truncate. Leaf-blades spreading; filiform; involute; 5-20 cm long; 0.4-0.6(-1) mm wide.
    Inflorescences
    Inflorescence a panicle. Panicle contracted; linear; interrupted; 1-4 cm long. Spikelets solitary. Fertile spikelets pedicelled. Pedicels linear.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 1.6-2 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 1.6-2 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; similar; shorter than spikelet; similar to fertile lemma in texture. Lower glume ovate; 0.6-1(-1.3) mm long; 1 length of upper glume; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume ovate; 0.6-1(-1.3) mm long; 0.5 length of adjacent fertile lemma; membranous; without keels; 1 -veined. Upper glume lateral veins absent. Upper glume apex acute.
    Florets
    Fertile lemma ovate; 1.6-2 mm long; membranous; without keel; 3 -veined. Lemma surface scaberulous; rough above and on veins. Lemma apex acute; muticous. Palea 1 length of lemma; 2 -veined.
    Flowers
    Lodicules 2; cuneate; fleshy. Anthers 3; 1.4 mm long; purple.
    Fruits
    Caryopsis with adherent pericarp; fusiform.
    Distribution
    North America: southwest USA, south-central USA, and Mexico.
    Reference
    Eragrostideae. Gould.

    Distribution

    Native to:

    Arizona, California, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Nevada, Texas

    Muhlenbergia utilis (Torr.) Hitchc. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Hinton, G.B. [2319], México State K000465870
    Hinton, G.B. [4944], México State K000465871
    Hinton, G.B. [8399], México State K000465872

    First published in J. Washington Acad. Sci. 23: 453 (1933)

    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.
    • 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
    • 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.

    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