1. Family: Poaceae Barnhart
    1. Genus: Elymus L.
      1. Elymus churchii J.J.N.Campb.

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

    [GB]
    Habit
    Perennial; caespitose. Culms 50-120 cm long; 4-8 -noded. Leaf-sheaths glabrous on surface. Leaf-sheath auricles falcate; 1-2 mm long. Ligule an eciliate membrane; 0.5-1 mm long. Leaf-blades 3-11 mm wide. Leaf-blade surface glabrous, or pubescent; hairy adaxially.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; flexuous; bilateral; 10-18 cm long; 30-50 mm wide. Rhachis ciliate on margins. Spikelet packing broadside to rhachis. Rhachis internodes linear. Spikelets solitary. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 3(-5) fertile florets; with a barren rhachilla extension. Spikelets lanceolate; dorsally compressed; 10-15 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 3(-5) fertile florets; with a barren rhachilla extension. Spikelets lanceolate; dorsally compressed; 10-15 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes both absent or obscure, or two; persistent; similar; shorter than spikelet, or reaching apex of florets. Lower glume subulate; 0-15 mm long; 0-1 -veined. Lower glume lateral veins absent. Upper glume subulate; 0-15 mm long; 0-1 -veined. Upper glume primary vein absent, or distinct. Upper glume lateral veins absent.
    Florets
    Fertile lemma lanceolate; 8-10 mm long; coriaceous; without keel. Lemma surface glabrous, or pubescent. Lemma apex awned; 1 -awned. Principal lemma awn spreading; (10-)20-30(-35) mm long overall. Palea 7-9 mm long.
    Flowers
    Anthers 3; 2.5-3 mm long.
    Distribution
    North America: north-central USA and southeast .
    Reference
    Triticeae. Campbell 2007.

    Distribution

    Native to:

    Alabama, Arkansas, Missouri, Oklahoma

    Elymus churchii J.J.N.Campb. appears in other Kew resources:

    First published in Sida 22: 486 (2006)

    Accepted by

    • Scholtz, A.R. & Dattilo, A.J. (2012). Noteworthy collections Alabama Castanea 77: 387-389.
    • Govaerts, R.H.A. (2011). World checklist of selected plant families published update Facilitated by the Trustees of the Royal Botanic Gardens, Kew.

    Literature

    Kew Backbone Distributions
    • Scholtz, A.R. & Dattilo, A.J. (2012). Noteworthy collections Alabama Castanea 77: 387-389.

    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 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