1. Family: Poaceae Barnhart
    1. Genus: Festuca Tourn. ex L.
      1. Festuca jaliscana E.B.Alexeev

        This species is accepted, and its native range is SW. Mexico.

    [GB]
    Habit
    Perennial. Cataphylls inconspicuous. Rhizomes elongated. Butt sheaths withering. Basal innovations extravaginal. Culms erect; 100-150 cm long. Culm-internodes smooth. Lateral branches lacking. Leaf-sheaths open for most of their length. Ligule a ciliolate membrane; 0.5 mm long; truncate. Leaf-blades 3-3.5 mm wide. Leaf-blade venation with sclerenchyma strands below veins and above some veins; subepidermal sclerenchyma attached to veins above and below. Leaf-blade surface smooth, or scaberulous; rough adaxially.
    Inflorescences
    Inflorescence a panicle. Panicle open; elliptic; 15-32 cm long. Panicle axis smooth. Panicle branches smooth. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 5-6 fertile florets; with diminished florets at the apex. Spikelets ovate; laterally compressed; 13.5-14.5 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 5-6 fertile florets; with diminished florets at the apex. Spikelets ovate; laterally compressed; 13.5-14.5 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume linear; chartaceous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; chartaceous; without keels; 3 -veined. Upper glume apex acute.
    Florets
    Fertile lemma lanceolate; 8-8.5 mm long; chartaceous; without keel; 5 -veined. Lemma lateral veins obscure. Lemma surface smooth. Lemma apex mucronate. Palea 2 -veined. Palea keels smooth. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Anthers 3; 3-3.5 mm long. Ovary glabrous.
    Fruits
    Caryopsis with adherent pericarp. Hilum linear.
    Distribution
    North America: Mexico.
    Reference
    Poeae. Alexeev 2001.

    Distribution

    Native to:

    Mexico Southwest

    Festuca jaliscana E.B.Alexeev appears in other Kew resources:

    First published in Bot. Zhurn. (Moscow & Leningrad) 66: 1493 (1981)

    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.
    • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.

    Literature

    Kew Backbone Distributions
    • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.

    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