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  1. Family: Poaceae Barnhart
    1. Genus: Leymus Hochst.
      1. Leymus secalinus (Georgi) Tzvelev

        This species is accepted, and its native range is Siberia to Korea and Himalaya.

    [GB]
    Habit
    Perennial. Rhizomes elongated. Culms erect; 30-100 cm long. Ligule an eciliate membrane. Leaf-blades flat, or involute; 9-20 cm long; 2-6(-9) mm wide; coriaceous; stiff; glaucous. Leaf-blade surface scabrous; rough adaxially; glabrous, or puberulous; hairy on both sides. Leaf-blade margins scabrous. Leaf-blade apex attenuate.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; bilateral; (6-)8-17(-20) cm long. Rhachis flattened. Spikelet packing broadside to rhachis; crowded; with subequal internodes, or lowest internode elongated. Spikelets in pairs, or in threes. Fertile spikelets sessile; 2-3(-4) in the cluster.
    Spikelets
    Spikelets comprising 3-7 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 12-18 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 3-7 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 12-18 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; 10-15 mm long; 1 length of upper glume; 1 -veined. Lower glume margins ciliate. Lower glume apex setaceously attenuate. Upper glume lanceolate; 10-15 mm long; 1.2 length of adjacent fertile lemma; 1 -veined. Upper glume margins ciliate. Upper glume apex setaceously attenuate.
    Florets
    Fertile lemma lanceolate, or oblong; 8-12 mm long; coriaceous; without keel; 5 -veined. Lemma lateral veins prominent. Lemma surface pubescent; hairy all along. Lemma apex acute; awned; 1 -awned. Principal lemma awn 1-3 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
    Asia-temperate: Siberia, Soviet Middle Asia, western Asia, China, and Mongolia. Asia-tropical: India.
    Reference
    Triticeae. Fl Iran 1993.

    Images

    Distribution

    Native to:

    Afghanistan, Altay, Buryatiya, China North-Central, China South-Central, China Southeast, Inner Mongolia, Irkutsk, Kazakhstan, Kirgizstan, Korea, Krasnoyarsk, Manchuria, Mongolia, Nepal, Pakistan, Qinghai, Tadzhikistan, Tibet, Turkmenistan, Tuva, Uzbekistan, West Himalaya, Xinjiang, Yakutskiya

    Synonyms

    Other Data

    Leymus secalinus (Georgi) Tzvelev appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Turczaninow, N. S. [s.n.], Russian Federation K001065469
    Strachey, R. [7], India Elymus thomsonii K000032439 isotype
    Thomson [s.n.], India Elymus thomsonii K000032438 holotype
    Duthie, J. F. [141], India Elymus thomsonii K000032440 isotype
    Regel, A. [s.n.], China Leymus dasystachys K001065471
    Regel, A. [s.n.], China Leymus dasystachys K001065472
    Regel, A. [303], Kyrgyzstan Leymus dasystachys K001065473
    Regel, A. [s.n.] Leymus dasystachys K001065474
    Turczaninow, N. S. [s.n.] Leymus dasystachys K001065470

    Bibliography

    First published in Trudy Bot. Inst. Akad. Nauk S.S.S.R., Rast. Tsentral. Azii 4: 209 (1968)

    Accepted by

    • Kandwal, M.K. & Gupta, B.K. (2009). An update on grass flora of Uttarkhand Indian Journal of Forestry 32: 657-668.
    • 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.
    • Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989). Florae Indicae Enumeratio: Monocotyledonae: 1-435. Botanical Survey of India, Calcutta.
    • Cope, T.A. (1982). Flora of Pakistan 143: 1-678. Department of Botany, University of Karachi, Karachi.

    Literature

    Kew Backbone Distributions

    • Kandwal, M.K. & Gupta, B.K. (2009). An update on grass flora of Uttarkhand Indian Journal of Forestry 32: 657-668.
    • Grubov, V.I. (2008). Key to the vascular plants of Mongolia (with an atlas) 2: 1-503. Academy of Sciences, Mongolian People's Republic, Ulaan Bator.
    • 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.
    • Press, J.R. et al. (2000). Annotated Checklist of the Flowering Plants of Nepal: i-x, 1-430. Natural History Museum, London.
    • 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.
    • Pavlov, N.V. (ed.) (1956). Flora Kazakhstana 1: 1-354. Alma-Ata, Izd-vo Akademii nauk Kazakhskoi SSR.
    • 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

    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