1. Family: Poaceae Barnhart
    1. Genus: Elymus L.
      1. Elymus bakeri (E.E.Nelson) Á.Löve

        This species is accepted, and its native range is Colorado to N. New Mexico.

    [GB]
    Habit
    Perennial; caespitose. Culms 30-50 cm long. Leaf-sheath auricles falcate. Ligule an eciliate membrane. Leaf-blades 10-20 cm long; 2-4 mm wide; stiff. Leaf-blade venation prominent.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; erect; bilateral; 9-12 cm long. Rhachis flattened; scabrous on margins. Spikelet packing broadside to rhachis. Rhachis internodes linear; 5-9 mm long. Spikelets appressed; solitary. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 5 fertile florets; with diminished florets at the apex. Spikelets elliptic to oblong; laterally compressed; 15-20 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 5 fertile florets; with diminished florets at the apex. Spikelets elliptic to oblong; laterally compressed; 15-20 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume oblong; 11-12 mm long; 1 length of upper glume; coriaceous; without keels; 5 -veined. Lower glume surface scabrous; rough on veins. Lower glume apex entire, or with a unilateral tooth; awned; 1 -awned. Lower glume awn 2-8 mm long. Upper glume oblong; 11-12 mm long; 0.66 length of spikelet; coriaceous; without keels; 5 -veined. Upper glume surface scabrous; rough on veins. Upper glume apex entire, or with a unilateral tooth; awned; 1 -awned. Upper glume awn 2-8 mm long.
    Florets
    Fertile lemma lanceolate; 9-12 mm long; coriaceous; 5 -veined. Lemma surface smooth, or scaberulous. Lemma apex entire, or dentate; 2 -fid; awned; 1 -awned. Principal lemma awn curved; spreading; 10-25 mm long overall. Palea 1 length of lemma.
    Distribution
    North America: northwest USA, northeast USA, and south-central USA.
    Reference
    Triticeae. Nelson 2004.

    Distribution

    Native to:

    Colorado, New Mexico

    Elymus bakeri (E.E.Nelson) Á.Löve appears in other Kew resources:

    First published in Taxon 29: 167 (1980)

    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

    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