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  1. Family: Poaceae Barnhart
    1. Genus: Leymus Hochst.
      1. Leymus racemosus (Lam.) Tzvelev

        This species is accepted, and its native range is SE. & E. Europe to Siberia and Caucasus.

    [GB]
    Habit
    Perennial. Rhizomes elongated. Culms robust; 50-100 cm long; 10-12 mm diam. Ligule an eciliate membrane. Leaf-blades 30-60 cm long; 5-15 mm wide; coriaceous; stiff. Leaf-blade surface scabrous; rough adaxially. Leaf-blade margins scabrous. Leaf-blade apex attenuate.
    Inflorescences
    Inflorescence composed of racemes. Peduncle antrorsely scabrous above. Racemes 1; single; oblong; bilateral; 7-15 cm long; 10-20 mm wide. Rhachis flattened. Spikelet packing broadside to rhachis; crowded. Spikelets in pairs, or in threes, or clustered at each node. Fertile spikelets sessile; 2-6 in the cluster.
    Spikelets
    Spikelets comprising 4-6 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 15-20 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 4-6 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 15-20 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; similar; reaching apex of florets, or exceeding apex of florets. Lower glume linear, or lanceolate; 15-25 mm long; 1 length of upper glume; 1 -veined. Lower glume apex acuminate. Upper glume linear, or lanceolate; 15-25 mm long; 1.5-1.8 length of adjacent fertile lemma; 1 -veined. Upper glume apex acuminate.
    Florets
    Fertile lemma lanceolate, or oblong; 10-14 mm long; coriaceous; without keel; 7 -veined. Lemma surface pubescent; hairy below. Lemma apex acute; muticous. 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: southeastern and eastern. Asia-temperate: Siberia, Soviet far east, Soviet Middle Asia, Caucasus, western Asia, China, and Mongolia. Australasia: New Zealand.
    Reference
    Triticeae. Fl Iran 1993.

    Images

    Distribution

    Native to:

    Altay, Bulgaria, Buryatiya, Central European Rus, Greece, Kazakhstan, Kirgizstan, Krasnoyarsk, Krym, Mongolia, North Caucasus, Northwest European R, Romania, South European Russi, Transcaucasus, Turkey, Turkey-in-Europe, Turkmenistan, Tuva, Ukraine, Uzbekistan, West Siberia, Xinjiang

    Introduced into:

    Arizona, Colorado, Idaho, Michigan, Minnesota, Nebraska, New Mexico, New Zealand South, Oregon, Washington, Wyoming

    Synonyms

    Other Data

    Leymus racemosus (Lam.) Tzvelev appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Sintenis [60], Azerbaijan K001065480
    s.coll. [s.n.], Russian Federation K001065481
    s.coll. [s.n.], Russian Federation K001065482
    Karelin, G. S. [1126], Kazakhstan K001065479
    Besser, W. [s.n.], Ukraine Leymus racemosus subsp. sabulosus K000674963
    illegible [s.n.], Russian Federation Leymus racemosus subsp. sabulosus K000674964
    illegible [s.n.] Leymus racemosus subsp. sabulosus K000674965

    Bibliography

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

    Accepted by

    • Ackerfield, J. (2015). Flora of Colorado: 1-818. BRIT Press.
    • Allred, K.W. (2012). Flora Neomexicana, ed. 2, 1: 1-599. Range Science Herbarium, Las Cruces, New Mexico.
    • Edgar, E & Connor, H.E. (2010). Flora of New Zealand, ed. 2, 5: 1-650. R.E.Owen, Government Printer, Wellington.
    • 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.
    • Aver'ianov, L.V. & al. (2006). Illyustrirovannyi opredelitel' rastenii Leningradskoi oblasti: 1-799. Nauka, Moskva.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Takhtajan, A.L. (ed.) (2006). Conspectus Florae Caucasi 2: 1-466. Editio Universitatis Petropolitanae.
    • 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

    • Ackerfield, J. (2015). Flora of Colorado: 1-818. BRIT Press.
    • Dimopoulos, P., Raus, T., Bergmeier, E., Constantinidis, T., Iatrou, G., Kokkini, S., Strid, A., & Tzanoudakis, D. (2013). Vascular plants of Greece. An annotated checklist: 1-372. Botanic gardens and botanical museum Berlin-Dahlem, Berlin and Hellenic botanical society, Athens.
    • Allred, K.W. (2012). Flora Neomexicana, ed. 2, 1: 1-599. Range Science Herbarium, Las Cruces, New Mexico.
    • Edgar, E & Connor, H.E. (2010). Flora of New Zealand, ed. 2, 5: 1-650. R.E.Owen, Government Printer, Wellington.
    • 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.
    • Aver'ianov, L.V. & al. (2006). Illyustrirovannyi opredelitel' rastenii Leningradskoi oblasti: 1-799. Nauka, Moskva.
    • Takhtajan, A.L. (ed.) (2006). Conspectus Florae Caucasi 2: 1-466. Editio Universitatis Petropolitanae.
    • 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.
    • Davis, P.H. (ed.) (1985). Flora of Turkey and the East Aegean Islands 9: 1-724. Edinburgh University Press, Edinburgh.
    • Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.
    • 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