1. Family: Poaceae Barnhart
    1. Genus: Sporobolus R.Br.
      1. Sporobolus mendocinus Méndez

        This species is accepted, and its native range is W. Argentina.

    [GB]
    Habit
    Perennial; caespitose. Rhizomes short. Culms erect; robust; 50-180 cm long; 2.4-3 mm diam.; 3-5 -noded. Culm-internodes distally glabrous. Leaf-sheaths 11-15 cm long; longer than adjacent culm internode; striately veined; glabrous on surface; outer margin hairy. Ligule a fringe of hairs; 1-2.5 mm long. Leaf-blades flexuous; conduplicate; 60-85 cm long; 2-2.3 mm wide. Leaf-blade margins scabrous. Leaf-blade apex acute.
    Inflorescences
    Inflorescence a panicle. Panicle spiciform; linear; 18-25 cm long; 0.5-1 cm wide. Primary panicle branches 1-2.5 cm long. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 1-1.3 mm long; scabrous.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets elliptic; subterete; 2.5-3.5 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets elliptic; subterete; 2.5-3.5 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes deciduous; reaching apex of florets. Lower glume lanceolate; 1.5-2 mm long; 0.66 length of upper glume; hyaline; without keels; 0-1 -veined. Lower glume lateral veins absent. Lower glume surface asperulous. Lower glume apex acute. Upper glume lanceolate; 2.5-3 mm long; 1 length of adjacent fertile lemma; membranous; without keels; 1 -veined. Upper glume lateral veins absent. Upper glume surface asperulous. Upper glume apex acute.
    Florets
    Fertile lemma lanceolate; 2.5-3 mm long; membranous; without keel; 3 -veined. Lemma surface asperulous. Lemma apex acute. Palea readily splitting down midline; 2.4-2.6 mm long; 2 -veined. Palea keels approximate. Palea surface asperulous.
    Flowers
    Lodicules 2; 0.3-0.4 mm long. Anthers 3; 1-2 mm long; yellow.
    Fruits
    Caryopsis with free soft pericarp; ellipsoid; laterally compressed; 1.5-1.8 mm long; light brown, or dark brown. Embryo 0.33-0.5 length of caryopsis.
    Distribution
    South America: southern South America.
    Reference
    Eragrostideae. Mendez 2002.

    Distribution

    Native to:

    Argentina Northwest, Argentina South

    Sporobolus mendocinus Méndez appears in other Kew resources:

    First published in Bol. Soc. Argent. Bot. 30: 13 (1994)

    Accepted by

    • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.

    Literature

    Kew Backbone Distributions
    • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348.

    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