1. Family: Poaceae Barnhart
    1. Genus: Festuca Tourn. ex L.
      1. Festuca horridula Pilg.

        This species is accepted, and its native range is Peru.

    [GB]
    Habit
    Perennial. Culms 70-100 cm long; 3 -noded. Leaf-sheaths retrorsely scabrous. Ligule an eciliate membrane; 7-12 mm long. Leaf-blades 25-45 cm long; 2-5 mm wide. Leaf-blade surface scabrous; rough abaxially.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; 28-35 cm long. Primary panicle branches ascending. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 2 length of fertile spikelet; tip widened.
    Spikelets
    Spikelets comprising 5-7 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 11-14 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 5-7 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 11-14 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; 4.5-5.2 mm long; 0.66 length of upper glume; chartaceous; much thinner above; much thinner on margins; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 6-7 mm long; 0.75 length of adjacent fertile lemma; chartaceous; much thinner above; with hyaline margins; without keels; 3 -veined. Upper glume apex acute.
    Florets
    Fertile lemma lanceolate, or oblong; 7.5-8.5 mm long; chartaceous; without keel; 5 -veined. Lemma surface scabrous. Lemma apex acute; muticous. Palea 1 length of lemma; 2 -veined. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Anthers 3.
    Fruits
    Caryopsis with adherent pericarp. Hilum linear.
    Distribution
    South America: western South America.
    Reference
    Poeae. Gr Peru 1997.

    Distribution

    Festuca horridula Pilg. appears in other Kew resources:

    First published in Bot. Jahrb. Syst. 37: 514 (1906)

    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.
    • Brako, L. & Zarucchi, J.L. (1993). Catalogue of the Flowering Plants and Gymnosperms of Peru Monographs in Systematic Botany from the Missouri Botanical Garden 45: i-xl, 1-1286.

    Literature

    Kew Backbone Distributions
    • Brako, L. & Zarucchi, J.L. (1993). Catalogue of the Flowering Plants and Gymnosperms of Peru Monographs in Systematic Botany from the Missouri Botanical Garden 45: i-xl, 1-1286.

    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 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