1. Family: Poaceae Barnhart
    1. Genus: Elymus L.
      1. Elymus alpinus L.B.Cai

        This species is accepted, and its native range is Qinghai.

    [GB]
    Habit
    Perennial. Culms erect; 25-35 cm long; 5 -noded. Leaf-sheaths longer than adjacent culm internode; glabrous on surface. Ligule an eciliate membrane; 0.5 mm long; truncate. Leaf-blades flat, or involute; 6-10 cm long; 3-5 mm wide. Leaf-blade surface glabrous. Leaf-blade margins ciliate.
    Inflorescences
    Inflorescence composed of racemes. Peduncle smooth, or scaberulous above. Racemes 1; single; erect; straight, or flexuous; bilateral; 4-6 cm long; 9 mm wide. Rhachis flattened; ciliate on margins. Spikelet packing broadside to rhachis. Rhachis internodes 2-3 mm long. Spikelets appressed; in pairs. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 3-4 fertile florets; with diminished florets at the apex. Spikelets elliptic to oblong; laterally compressed; 10-12 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes pubescent.
    Fertile
    Spikelets comprising 3-4 fertile florets; with diminished florets at the apex. Spikelets elliptic to oblong; laterally compressed; 10-12 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes pubescent.
    Glume
    Glumes persistent; similar. Lower glume lanceolate; 3-4 mm long; 1 length of upper glume; coriaceous; without keels; 1-3 -veined. Lower glume primary vein scabrous. Lower glume lateral veins absent, or distinct. Lower glume apex acuminate. Upper glume lanceolate; 3-4 mm long; 0.5 length of adjacent fertile lemma; coriaceous; without keels; 1-3 -veined. Upper glume primary vein scabrous. Upper glume lateral veins absent, or distinct. Upper glume apex acuminate.
    Florets
    Fertile lemma lanceolate; 7-8 mm long; coriaceous; 5 -veined. Lemma margins pubescent. Lemma apex acuminate; awned; 1 -awned. Principal lemma awn 3-7 mm long overall. Palea 1.1 length of lemma; 2 -veined. Palea keels ciliolate; adorned above. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Anthers 3; 1.5 mm long; black. Ovary pubescent on apex.
    Distribution
    Asia-temperate: China.
    Reference
    Triticeae. Fl China 2005.

    Distribution

    Native to:

    Qinghai

    Elymus alpinus L.B.Cai appears in other Kew resources:

    First published in Acta Biol. Plateau Sin. 14: 8 (1999)

    Accepted by

    • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.
    • 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
    • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.

    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