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  1. Family: Poaceae Barnhart
    1. Genus: Leymus Hochst.
      1. Leymus multicaulis (Kar. & Kir.) Tzvelev

        This species is accepted, and its native range is S. European Russia to Altay and NW. China.

    [GB]
    Habit
    Perennial; caespitose. Butt sheaths persistent and investing base of culm. Culms erect; 40-75 cm long. Lateral branches sparse. Ligule an eciliate membrane. Leaf-blade base broadly rounded. Leaf-blades 10-25 cm long; 4-6 mm wide; coriaceous; stiff; glaucous. Leaf-blade surface scabrous; rough adaxially. Leaf-blade margins scabrous. Leaf-blade apex attenuate.
    Inflorescences
    Inflorescence composed of racemes. Peduncle scaberulous above. Racemes 1; single; straight, or arcuate; bilateral; 6-12.5 cm long; 5 mm wide. Rhachis flattened; scabrous on margins. Spikelet packing broadside to rhachis; with lowest internode elongated. Spikelets in pairs, or in threes. Fertile spikelets sessile; 2-3 in the cluster.
    Spikelets
    Spikelets comprising 3-6 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 8-14 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 3-6 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 8-14 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume subulate; 6-7 mm long; 1 length of upper glume; 1 -veined. Lower glume surface scabrous. Upper glume subulate; 6-7 mm long; 0.8-1.5 length of adjacent fertile lemma; 1 -veined. Upper glume surface scabrous.
    Florets
    Fertile lemma elliptic; 4-8 mm long; coriaceous; without keel; 5 -veined. Lemma apex acute; awned; 1 -awned. Principal lemma awn 2-3 mm long overall. Palea 2 -veined. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 2; membranous. Anthers 3. Stigmas 2. Ovary pubescent on apex.
    Fruits
    Caryopsis with adherent pericarp. Hilum linear.
    Distribution
    Europe: eastern. Asia-temperate: Siberia, Soviet Middle Asia, and China. Australasia: Australia.
    Reference
    Triticeae. Fl Iran 1993.

    Images

    Distribution

    Native to:

    Altay, Kazakhstan, Kirgizstan, South European Russi, Tadzhikistan, Turkmenistan, Uzbekistan, Xinjiang

    Introduced into:

    Wyoming

    Synonyms

    Other Data

    Leymus multicaulis (Kar. & Kir.) Tzvelev appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Regel, A. [s.n.] K001065465
    Regel, A. [s.n.] K001065466
    Korolkow [s.n.], Uzbekistan K001065467
    Korolkow [s.n.], Uzbekistan K001065468
    Schrenck, A. G. von [s.n.] K001065464

    Bibliography

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

    Accepted by

    • Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.
    • 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.
    • Malyschev, L.I. & Peschkova, G.A. (eds.) (2001). Flora of Siberia 2: 1-362. Scientific Publishers, Inc., Enfield, Plymouth.
    • Fedorov, A.A. (ed.) (1999). Flora of Russia. The European part and bordering regions 1: 1-546. A.A. Balkema, Rotterdam, Broekfield.
    • Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.

    Literature

    Kew Backbone Distributions

    • Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.
    • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.
    • Malyschev, L.I. & Peschkova, G.A. (eds.) (2001). Flora of Siberia 2: 1-362. Scientific Publishers, Inc., Enfield, Plymouth.
    • Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.
    • 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.
    • Merkodovich, N.A. (ed.) (1941). Flora Uzbekistana 1: 1-566. Izd-va Akademii nauk Uzbekskoi SSR, Tashkent.
    • Fedtschenko, B.A. & al. (1932). Flora Turkmenii 1: 1-340. Turkmenskoe gosudarstvennoe izd., Ashkhabad.

    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