1. Family: Poaceae Barnhart
    1. Genus: Elymus L.
      1. Elymus dentatus (Hook.f.) Tzvelev

        This species is accepted, and its native range is Altay to Central Asia and W. Himalaya.

    [GB]
    Habit
    Perennial; caespitose. Rhizomes elongated. Culms erect, or geniculately ascending; 25-80 cm long. Ligule an eciliate membrane. Leaf-blades 10-30 cm long; 4-11 mm wide. Leaf-blade surface smooth, or scabrous.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; bilateral; 6-15 cm long. Rhachis flattened; scabrous on margins. Spikelet packing broadside to rhachis. Spikelets solitary. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 3-5 fertile florets; with diminished florets at the apex. Spikelets elliptic to oblong; laterally compressed; 12-15 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 3-5 fertile florets; with diminished florets at the apex. Spikelets elliptic to oblong; laterally compressed; 12-15 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume oblong; 6-8 mm long; 0.8-0.9 length of upper glume; coriaceous; without keels; 3-5 -veined. Lower glume lateral veins ribbed. Lower glume surface smooth, or scabrous. Lower glume apex entire, or dentate; 2 -fid; acuminate; muticous, or awned; 1 -awned. Upper glume oblong; 7-9 mm long; 0.8-1 length of adjacent fertile lemma; coriaceous; without keels; 5-9 -veined. Upper glume lateral veins ribbed. Upper glume surface smooth, or scabrous. Upper glume apex entire, or with a unilateral tooth; acuminate; muticous, or awned; 1 -awned.
    Florets
    Fertile lemma lanceolate, or oblong; 8-9(-11) mm long; coriaceous; keeled; keeled above; 5 -veined. Lemma surface hispidulous; hairy all along, or below. Lemma apex acute; muticous, or awned; 1 -awned. Principal lemma awn 0-4 mm long overall. Palea 1 length of lemma. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 2; elliptic; membranous. Anthers 3; 1.5-2 mm long. Stigmas 2. Ovary pubescent on apex.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Asia-temperate: Siberia, Soviet Middle Asia, and China. Asia-tropical: India.
    Reference
    Triticeae. Fl Pak 1993.

    Images

    Distribution

    Native to:

    Altay, Kazakhstan, Kirgizstan, Pakistan, Tadzhikistan, Turkmenistan, Uzbekistan, West Himalaya, Xinjiang

    Elymus dentatus (Hook.f.) Tzvelev appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Thomson, T. [s.n.], India K000032421 Unknown type material
    Thomson, T. [s.n.], India K000032423 Unknown type material
    Thomson, T. [s.n.] K000674955
    Clarke, C.B. [30186], India K000032418 syntype
    Clarke, C.B. [30682], India K000032419 syntype
    Duthie, J. F. [12423], India K000032417 Unknown type material
    Duthie, J. F. [12423], India K000032416 Unknown type material
    Jacquemont, V. [1020], India K000032420 Unknown type material
    Munro, W. [s.n.], India K000032415 Unknown type material
    Munro, W. [s.n.] K000674954
    Henderson, F. [486], India K000032422 Unknown type material

    First published in Spisok Rast. Gerb. Fl. S.S.S.R. Bot. Inst. Vsesojuzn. Akad. Nauk 18: 29 (1970)

    Accepted by

    • Kandwal, M.K. & Gupta, B.K. (2009). An update on grass flora of Uttarkhand Indian Journal of Forestry 32: 657-668.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • 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.
    • 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.
    • 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.
    • Merkodovich, N.A. (ed.) (1941). Flora Uzbekistana 1: 1-566. Izd-va Akademii nauk Uzbekskoi SSR, Tashkent.

    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