1. Family: Poaceae Barnhart
    1. Genus: Festuca Tourn. ex L.
      1. Festuca paradoxa Desv.

        This species is accepted, and its native range is E. Canada to Central & E. U.S.A.

    [GB]
    Habit
    Perennial; caespitose. Culms geniculately ascending; 50-110 cm long. Leaf-sheaths glabrous on surface. Ligule an eciliate membrane. Leaf-blades flat, or involute; 4-8 mm wide.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; 12-20 cm long; with spikelets clustered towards branch tips. Primary panicle branches drooping. Panicle branches scabrous. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 3-6 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 5-6 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 3-6 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 5-6 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; 3 mm long; 0.75 length of upper glume; chartaceous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 4 mm long; 1 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 obtuse; muticous. Palea 2 -veined. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Anthers 3.
    Fruits
    Caryopsis with adherent pericarp. Hilum linear.
    Distribution
    North America: north-central USA, northeast USA, south-central USA, and southeast USA.
    Reference
    Poeae. Man US Gr 1997.

    Images

    Distribution

    Native to:

    Alabama, Arkansas, Delaware, District of Columbia, Georgia, Illinois, Indiana, Kentucky, Louisiana, Maryland, Minnesota, Mississippi, Missouri, Nebraska, North Carolina, Oklahoma, Ontario, Pennsylvania, Québec, South Carolina, Tennessee, Texas, Virginia, Wisconsin

    Festuca paradoxa Desv. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Mar 1, 1980 Mead [s.n.], Illinois K000913253 isotype
    Jun 1, 1979 Short, C.W. [s.n.], Kentucky K000913252 isotype

    First published in Mém. Soc. Agric. Angers 1: 209 (1831)

    Accepted by

    • Ibrahim, K.M. & Peterson, P.M. (2014). Grasses of Washington, D.C. Smithsonian Contributions to Botany 99: 1-128.
    • 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
    • Ibrahim, K.M. & Peterson, P.M. (2014). Grasses of Washington, D.C. Smithsonian Contributions to Botany 99: 1-128.
    • 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 2020. 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 2020. 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