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

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

    [GB]
    Habit
    Perennial; caespitose; clumped densely. Rhizomes short. Culms erect; 45-85 cm long. Culm-internodes distally pruinose. Ligule an eciliate membrane. Leaf-blades 4-7 mm wide; coriaceous; stiff; glaucous. Leaf-blade surface scabrous; rough adaxially.
    Inflorescences
    Inflorescence composed of racemes. Peduncle smooth. Racemes 1; single; oblong; bilateral; 6-13 cm long; 15-22 mm wide. Spikelet packing broadside to rhachis; crowded. Rhachis internodes linear. Spikelets appressed; in pairs. Fertile spikelets sessile; 2 in the cluster.
    Spikelets
    Spikelets comprising 3-4 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 12-15 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 3-4 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 12-15 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes collateral; persistent; similar; shorter than spikelet. Lower glume subulate; 1 length of upper glume; coriaceous; 1 -veined. Lower glume lateral veins absent. Upper glume subulate; 6-10 mm long; 1 length of adjacent fertile lemma; coriaceous; 1 -veined. Upper glume lateral veins absent.
    Florets
    Fertile lemma lanceolate; 9-10 mm long; membranous, or chartaceous; without keel; 7-9 -veined. Lemma surface villous. Lemma hairs 2 mm long. Lemma apex acuminate; awned; 1 -awned. Principal lemma awn 1.5-2 mm long overall. Palea 1 length of lemma; 2 -veined. Palea keels ciliate. Apical sterile florets resembling fertile though underdeveloped.
    Distribution
    Asia-temperate: Soviet Middle Asia and western Asia.
    Reference
    Triticeae. Fl USSR 1995.

    Distribution

    Native to:

    Afghanistan, Kirgizstan, Tadzhikistan

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

    First published in Novosti Sist. Vyssh. Rast. 6: 21 (1969 publ. 1970)

    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
    • Bor, N.L. (1970). Flora Iranica 70: 1-573. Naturhistorisches Museums Wien.
    • Ovczinnikov, P.N. (ed.) (1957). Flora Tadzhikskoi SSR 1: 1-547. Izd-vo Akademii nauk SSSR, Moskva.
    • Roshevitz, R.J. & al. (eds.) (1950). Flora Kirgizskoi SSR 2: 1-315. Frunze : Izd-vo KirgizFAN SSSR.

    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