1. Family: Poaceae Barnhart
    1. Genus: Leymus Hochst.
      1. Leymus aemulans (Nevski) Tzvelev

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

    [GB]
    Habit
    Perennial; caespitose; clumped densely. Rhizomes short. Culms 50-80 cm long. Ligule an eciliate membrane. Leaf-blades flat, or involute; 1-2.5 mm wide; coriaceous; stiff; glaucous. Leaf-blade surface scabrous; rough adaxially.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; linear; bilateral; 5-10 cm long. Spikelet packing broadside to rhachis; lax. Rhachis internodes linear. Spikelets appressed; solitary. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 3-5 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 15-20 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 3-5 fertile florets; with diminished florets at the apex. Spikelets 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 subulate; 3-5.5 mm long; 0.5 length of upper glume; coriaceous; 1 -veined. Lower glume lateral veins absent. Upper glume subulate; 6-12 mm long; 0.6-1 length of adjacent fertile lemma; coriaceous; 1 -veined. Upper glume lateral veins absent.
    Florets
    Fertile lemma lanceolate; 10-12 mm long; coriaceous; without keel; 5 -veined. Lemma lateral veins obscure. Lemma apex acuminate; awned; 1 -awned. Principal lemma awn 3-4 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.

    Images

    Distribution

    Native to:

    Kazakhstan, Kirgizstan, Turkmenistan, Uzbekistan, Xinjiang

    Leymus aemulans (Nevski) Tzvelev appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Pavlov, N. [s.n.], Kazakhstan K001065462

    First published in Bot. Mater. Gerb. Bot. Inst. Komarova Akad. Nauk S.S.S.R. 20: 430 (1960)

    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.
    • Pavlov, N.V. (ed.) (1956). Flora Kazakhstana 1: 1-354. Alma-Ata, Izd-vo Akademii nauk Kazakhskoi SSR.

    Sources

    GrassBase - The Online World Grass Flora
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/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