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  1. Family: Poaceae Barnhart
    1. Genus: Leymus Hochst.
      1. Leymus ramosus (K.Richt.) Tzvelev

        This species is accepted, and its native range is E. Europe to Mongolia and Caucasus.

    [GB]
    Habit
    Perennial. Rhizomes elongated. Culms 20-45 cm long. Lateral branches fastigiate; arising from lower culm. Ligule an eciliate membrane. Leaf-blades flat, or involute; 10-20 cm long; 2-6 mm wide; coriaceous; stiff; glaucous. Leaf-blade surface scabrous; rough adaxially. Leaf-blade margins scabrous. Leaf-blade apex attenuate.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; bilateral; 4-8 cm long. Rhachis flattened; ciliate on margins. Spikelet packing broadside to rhachis; lax. Rhachis internodes oblong; 6-10 mm long. Spikelets solitary. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 4-9 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 10-15(-17) mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 4-9 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 10-15(-17) mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume subulate; 5-9 mm long; 1 length of upper glume; 1 -veined. Upper glume subulate; 5-9 mm long; 0.75-0.9 length of adjacent fertile lemma; 1 -veined.
    Florets
    Fertile lemma lanceolate; 6-8 mm long; coriaceous; without keel; 5 -veined. Lemma apex acute; muticous, or mucronate. 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.
    Reference
    Triticeae. Fl Iran 1993.

    Distribution

    Native to:

    Altay, Buryatiya, Central European Rus, Irkutsk, Kazakhstan, Krasnoyarsk, Krym, Mongolia, North Caucasus, South European Russi, Tuva, Ukraine, West Siberia, Xinjiang

    Synonyms

    Other Data

    Leymus ramosus (K.Richt.) Tzvelev appears in other Kew resources:

    Bibliography

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

    Accepted by

    • Sheremetova, S.A., Ebel, A.L. & Buko, T.E. (2011). Supplement to the flora of Kemerovo region since 2001 till 2010 Turczaninowia 14(1): 65-74.
    • 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.
    • 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.
    • Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.

    Literature

    Kew Backbone Distributions

    • Sheremetova, S.A., Ebel, A.L. & Buko, T.E. (2011). Supplement to the flora of Kemerovo region since 2001 till 2010 Turczaninowia 14(1): 65-74.
    • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.
    • 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.
    • Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.

    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