1. Family: Poaceae Barnhart
    1. Genus: Festuca Tourn. ex L.
      1. Festuca simpliciuscula (Hack.) E.B.Alexeev

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

    [GB]
    Habit
    Perennial; caespitose; clumped densely. Rhizomes elongated. Basal innovations intravaginal. Culms geniculately ascending; slender; 30-80 cm long. Lateral branches lacking. Leaf-sheaths tubular for much of their length; glabrous on surface. Ligule an eciliate membrane; 1.1-2 mm long; truncate. Leaf-blades conduplicate; 10-40 cm long; 1-2 mm wide. Leaf-blade venation comprising 5 vascular bundles; with 5 inner ridges; with sclerenchyma strands below veins; with 7 subepidermal sclerenchyma strands; with subepidermal sclerenchyma free from veins. Leaf-blade apex acute.
    Inflorescences
    Inflorescence a panicle. Panicle open; linear; 6-12 cm long; bearing few spikelets. Primary panicle branches 2 -nate. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 4-6 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 14-15 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 4-6 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 14-15 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; 4.5-6.5 mm long; 0.75 length of upper glume; chartaceous; much thinner on margins; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 6.5-8 mm long; 0.66-1 length of adjacent fertile lemma; chartaceous; with hyaline margins; without keels; 3 -veined. Upper glume apex acute.
    Florets
    Fertile lemma elliptic; 6.5-12 mm long; chartaceous; much thinner on margins; without keel; 5 -veined. Lemma apex acuminate; awned; 1 -awned. Principal lemma awn 1-5 mm long overall. Palea 1 length of lemma; 2 -veined. Palea keels ciliolate. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Anthers 3; 0.6-0.9 mm long. Ovary pubescent on apex.
    Fruits
    Caryopsis with adherent pericarp. Hilum linear.
    Distribution
    South America: southern South America.
    Reference
    Poeae. ALEXEEV 2000.

    Images

    Distribution

    Native to:

    Argentina Northwest, Argentina South

    Festuca simpliciuscula (Hack.) E.B.Alexeev appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Sep 1, 1982 Dusén, P. [5925], Argentina K000433675 isotype

    First published in Bot. Zhurn. (Moscow & Leningrad) 69: 351 (1984)

    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

    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.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. 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 2019. 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