1. Family: Poaceae Barnhart
    1. Genus: Festuca Tourn. ex L.
      1. Festuca pyrogea Speg.

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

    [GB]
    Habit
    Perennial. Culms 6-60 cm long; 1-2 -noded. Lateral branches lacking. Leaf-sheaths open for most of their length; glabrous on surface, or pubescent. Ligule an eciliate membrane; 0.2-0.5 mm long. Leaf-blades 2-10 cm long; 0.5-0.7 mm wide; glaucous. Leaf-blade surface glabrous, or pubescent; hairy adaxially. Leaf-blade margins ciliate. Leaf-blade apex obtuse.
    Inflorescences
    Inflorescence a panicle. Peduncle pubescent above. Panicle contracted; linear; 3-6 cm long. Panicle axis pubescent. Spikelets solitary. Fertile spikelets pedicelled. Pedicels puberulous.
    Spikelets
    Spikelets comprising 3-5 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 6-12 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 1 mm long; pubescent.
    Fertile
    Spikelets comprising 3-5 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 6-12 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 1 mm long; pubescent.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; 2.5-4 mm long; 0.66 length of upper glume; chartaceous; without keels; 1 -veined. Lower glume primary vein scabrous. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 4-6 mm long; 0.7-0.8 length of adjacent fertile lemma; chartaceous; without keels; 3 -veined. Upper glume primary vein scabrous. Upper glume surface glabrous, or puberulous; hairy at apex. Upper glume apex acute.
    Florets
    Fertile lemma elliptic; 5-6.5 mm long; chartaceous; without keel; 5 -veined. Lemma surface pilose. Lemma apex acute; awned; 1 -awned. Principal lemma awn 2-3 mm long overall. Palea 1 mm long; 2 -veined. Palea keels scabrous. Palea surface puberulous. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Anthers 3; 0.6-3 mm long. Ovary glabrous.
    Fruits
    Caryopsis with adherent pericarp; 4-5 mm long. Hilum linear; 0.75 length of caryopsis.
    Distribution
    South America: southern South America.
    Reference
    Poeae. Fl Pat 1995.

    Distribution

    Native to:

    Argentina South, Chile South

    Festuca pyrogea Speg. appears in other Kew resources:

    First published in Anales Mus. Nac. Buenos Aires 5: 97 (1896)

    Accepted by

    • Ospina, J.C., Aliscioni, S.S. & Denham, S.S. (2015). A revision of Festuca (Loliinae, Pooideae, Poaceae) in Chile Phytotaxa 223(1): 1-66.
    • 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 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