1. Family: Poaceae Barnhart
    1. Genus: Elymus L.
      1. Elymus burchan-buddae (Nevski) Tzvelev

        This species is accepted, and its native range is W. & Central China.

    [GB]
    Habit
    Perennial; culms solitary. Culms geniculately ascending; 45-60 cm long; 1-1.5 mm diam.; 2 -noded. Leaf-sheaths 5-12 cm long; mostly shorter than adjacent culm internode; striately veined; glabrous on surface. Leaf-sheath auricles falcate. Ligule an eciliate membrane; 0.5 mm long; truncate. Leaf-blades flat, or involute; 2.5-10 cm long; 1-2 mm wide. Leaf-blade surface smooth, or scaberulous; rough adaxially.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; arcuate; bilateral; 4-6.5 cm long. Rhachis flattened; glabrous on margins. Spikelet packing broadside to rhachis. Rhachis internodes linear; 5-7 mm long. Rhachis internode tip flat. Spikelets appressed; solitary. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 3 fertile florets; with diminished florets at the apex. Spikelets elliptic to oblong; laterally compressed; 10 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 3 mm long; pubescent. Floret callus pubescent.
    Fertile
    Spikelets comprising 3 fertile florets; with diminished florets at the apex. Spikelets elliptic to oblong; laterally compressed; 10 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 3 mm long; pubescent. Floret callus pubescent.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate, or oblong; 2-5 mm long; 0.5 length of upper glume; coriaceous; without keels; 3-5 -veined. Lower glume surface smooth, or scabrous; rough on veins. Lower glume apex acute. Upper glume lanceolate, or oblong; 4-7 mm long; coriaceous; without keels; 3-5 -veined. Upper glume surface smooth, or scabrous; rough on veins. Upper glume apex acute.
    Florets
    Fertile lemma lanceolate; 8-10 mm long; coriaceous; 5 -veined. Lemma surface puberulous; hairy above; hairy between veins. Lemma apex acute; awned; 1 -awned. Principal lemma awn curved; 10-15 mm long overall. Palea 1 length of lemma. Palea keels scaberulous. Palea apex truncate, or obtuse. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 2; membranous. Anthers 3; 1.2 mm long. Stigmas 2. Ovary pubescent on apex.
    Fruits
    Caryopsis with adherent pericarp; 5 mm long; hairy at apex.
    Distribution
    Asia-temperate: China.
    Reference
    Triticeae. Keng 2000.

    Distribution

    Doubtfully present in:

    Nepal

    Native to:

    China North-Central, China South-Central, Inner Mongolia, Qinghai, Tibet, Xinjiang

    Elymus burchan-buddae (Nevski) Tzvelev appears in other Kew resources:

    First published in Trudy Bot. Inst. Komarova Akad. Nauk SSSR, Rast. Tsentral. Azii 4: 220 (1968)

    Accepted by

    • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.
    • Govaerts, R. (2001). World Checklist of Seed Plants Database in ACCESS E-F: 1-50919.

    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