1. Family: Poaceae Barnhart
    1. Genus: Festuca Tourn. ex L.
      1. Festuca earlei Rydb.

        This species is accepted, and its native range is W. Central U.S.A.

    [GB]
    Habit
    Perennial. Rootstock evident. Basal innovations extravaginal. Culms slender; 30 cm long. Leaf-sheaths 3-5 cm long; striately veined; smooth. Ligule an eciliate membrane; truncate. Leaf-blades filiform; involute; 3-10 cm long; 0.5-1 mm wide.
    Inflorescences
    Inflorescence a panicle. Panicle contracted; linear; 3-5 cm long. Primary panicle branches appressed. Panicle branches smooth. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 2-3 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 5 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 2-3 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 5 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; 2 mm long; 0.66 length of upper glume; chartaceous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate, or ovate; 3 mm long; 0.75 length of adjacent fertile lemma; chartaceous; without keels; 3 -veined. Upper glume apex acute.
    Florets
    Fertile lemma lanceolate; 4 mm long; chartaceous; without keel; 5 -veined. Lemma apex acute; muticous, or awned; 1 -awned. Principal lemma awn 0.5-1 mm long overall. Apical sterile florets resembling fertile though underdeveloped.
    Distribution
    North America: northwest USA.
    Reference
    Poeae. Rydberg 2004.

    Images

    Distribution

    Native to:

    Arizona, Colorado, New Mexico, Utah

    Festuca earlei Rydb. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jun 1, 1979 Baker, C.F. [920], Colorado K000913319 isotype
    Williams, T.A. [2765], Wyoming K000913318

    First published in Bull. Torrey Bot. Club 32: 608 (1905)

    Accepted by

    • Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.
    • 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
    • Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.

    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