1. Family: Poaceae Barnhart
    1. Genus: Leymus Hochst.
      1. Leymus alaicus (Korsh.) Tzvelev

        This species is accepted, and its native range is Central Asia.

    [GB]
    Habit
    Perennial; caespitose; clumped densely. Butt sheaths persistent and investing base of culm; with compacted dead sheaths. Culms 60-100 cm long. Culm-internodes smooth. Ligule an eciliate membrane. Leaf-blades flat, or involute; 3-6 mm wide; coriaceous; stiff; glaucous. Leaf-blade surface scabrous; rough on both sides. Leaf-blade margins scabrous.
    Inflorescences
    Inflorescence composed of racemes. Peduncle antrorsely scabrous above. Racemes 1; single; linear; bilateral; 9-14 cm long. Rhachis scabrous on margins. Spikelet packing broadside to rhachis; crowded. Rhachis internodes linear. Spikelets appressed; in pairs, or in threes. Fertile spikelets sessile; 2-3 in the cluster.
    Spikelets
    Spikelets comprising 4-5 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 13-19 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 4-5 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 13-19 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume subulate; 1 length of upper glume; coriaceous; 1 -veined. Lower glume lateral veins absent. Lower glume surface scabrous. Upper glume subulate; 9-15 mm long; 1-1.4 length of adjacent fertile lemma; coriaceous; 1 -veined. Upper glume lateral veins absent. Upper glume surface scabrous.
    Florets
    Fertile lemma lanceolate; 9-11 mm long; coriaceous; without keel; 7 -veined. Lemma surface asperulous; puberulous; hairy all along, or above. Lemma apex acuminate; awned; 1 -awned. Principal lemma awn 2.5-3 mm long overall. Palea 2 -veined. Apical sterile florets resembling fertile though underdeveloped.
    Distribution
    Asia-temperate: Soviet Middle Asia and China.
    Reference
    Triticeae. Fl USSR 1995.

    Distribution

    Native to:

    Kazakhstan, Kirgizstan, Tadzhikistan, Uzbekistan

    Leymus alaicus (Korsh.) Tzvelev appears in other Kew resources:

    First published in Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 20: 429 (1960)

    Accepted by

    • 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
    • Ovczinnikov, P.N. (ed.) (1957). Flora Tadzhikskoi SSR 1: 1-547. Izd-vo Akademii nauk SSSR, Moskva.
    • Pavlov, N.V. (ed.) (1956). Flora Kazakhstana 1: 1-354. Alma-Ata, Izd-vo Akademii nauk Kazakhskoi SSR.
    • Roshevitz, R.J. & al. (eds.) (1950). Flora Kirgizskoi SSR 2: 1-315. Frunze : Izd-vo KirgizFAN SSSR.
    • Merkodovich, N.A. (ed.) (1941). Flora Uzbekistana 1: 1-566. Izd-va Akademii nauk Uzbekskoi SSR, Tashkent.

    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