1. Family: Poaceae Barnhart
    1. Genus: Elymus L.
      1. Elymus scabrifolius (Döll) J.H.Hunz.

        This species is accepted, and its native range is S. Brazil to N. Argentina.

    [GB]
    Habit
    Perennial; caespitose; clumped loosely. Culms erect; 100-200 cm long; 5-6 mm diam. Leaf-sheaths glabrous on surface. Ligule an eciliate membrane; 0.2-0.5 mm long. Leaf-blades flat, or convolute; 15-20 cm long; 3-4 mm wide. Leaf-blade surface scaberulous; rough adaxially.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; bilateral; 6-8 cm long. Rhachis flattened; ciliate on margins. Spikelet packing broadside to rhachis. Rhachis internodes linear. Spikelets solitary. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 4-5 fertile florets; with diminished florets at the apex. Spikelets lanceolate; laterally compressed; 13-15 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes glabrous.
    Fertile
    Spikelets comprising 4-5 fertile florets; with diminished florets at the apex. Spikelets lanceolate; laterally compressed; 13-15 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes glabrous.
    Glume
    Glumes collateral; persistent; similar; shorter than spikelet. Lower glume lanceolate; 7-8 mm long; 0.9 length of upper glume; coriaceous; without keels; 3-4 -veined. Lower glume apex acute. Upper glume lanceolate; 8-9 mm long; 0.7-0.9 length of adjacent fertile lemma; coriaceous; without keels; 3-4 -veined. Upper glume apex acute.
    Florets
    Fertile lemma lanceolate; 11 mm long; coriaceous; 5 -veined. Lemma apex acuminate; mucronate. Palea 1 length of lemma. Palea keels ciliolate. Apical sterile florets resembling fertile though underdeveloped.
    Fruits
    Caryopsis with adherent pericarp; 6 mm long. Hilum linear.
    Distribution
    South America: southern South America.
    Reference
    Triticeae. Parodi 2004.

    Distribution

    Native to:

    Argentina Northeast, Argentina Northwest, Brazil South, Uruguay

    Elymus scabrifolius (Döll) J.H.Hunz. appears in other Kew resources:

    First published in Darwiniana 35: 167 (1998)

    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
    • Forzza, R.C. & al. (2013). Lista de Espécies da Flora do Brasil http://floradobrasil.jbrj.gov.br/2010/.
    • 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