1. Family: Poaceae Barnhart
    1. Genus: Elymus L.
      1. Elymus nutans Griseb.

        This species is accepted, and its native range is Mongolia to Afghanistan and Himalaya.

    [GB]
    Habit
    Perennial; caespitose. Culms erect, or geniculately ascending; 25-110 cm long. Leaf-sheath auricles falcate. Ligule an eciliate membrane. Leaf-blades 6-20 cm long; 1.5-5 mm wide. Leaf-blade surface smooth, or scaberulous.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; arcuate, or flexuous; bilateral; 5-15 cm long. Rhachis flattened. Spikelet packing broadside to rhachis. Spikelets in pairs. Fertile spikelets pedicelled; 2(-3) in the cluster.
    Spikelets
    Spikelets comprising 2-3 fertile florets; with diminished florets at the apex. Spikelets elliptic to oblong; laterally compressed; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 2-3 fertile florets; with diminished florets at the apex. Spikelets elliptic to oblong; laterally compressed; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes similar; shorter than spikelet. Lower glume lanceolate, or elliptic; 4-9 mm long; 1 length of upper glume; coriaceous; without keels; 1-3 -veined. Lower glume lateral veins ribbed. Lower glume apex acute; muticous, or awned; 1 -awned. Lower glume awn 0.5-2 mm long. Upper glume lanceolate, or elliptic; 4-9 mm long; 0.5-0.8 length of adjacent fertile lemma; coriaceous; without keels; 1-3 -veined. Upper glume lateral veins ribbed. Upper glume apex acute; muticous, or awned; 1 -awned. Upper glume awn 0.5-2 mm long.
    Florets
    Fertile lemma lanceolate; 8-11 mm long; coriaceous; keeled; keeled above; 5 -veined. Lemma surface scabrous; glabrous, or pubescent. Lemma apex acute; awned; 1 -awned. Principal lemma awn flexuous; 15-30 mm long overall. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 2; elliptic; membranous. Anthers 3. Stigmas 2. Ovary pubescent on apex.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Asia-temperate: Soviet Middle Asia, western Asia, China, and Mongolia. Asia-tropical: India.
    Reference
    Triticeae. Fl Pak 1993.

    Distribution

    Native to:

    Afghanistan, China North-Central, China South-Central, China Southeast, East Himalaya, Inner Mongolia, Kazakhstan, Kirgizstan, Mongolia, Nepal, Pakistan, Qinghai, Tadzhikistan, Tibet, Uzbekistan, West Himalaya, Xinjiang

    Elymus nutans Griseb. appears in other Kew resources:

    First published in Nachr. Königl. Ges. Wiss. Georg-Augusts-Univ. 3: 72 (1868)

    Accepted by

    • 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.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Noltie, H.J. (2000). Flora of Bhutan 3(2): 457-883. Royal Botanic Gardens, Edinburgh.
    • Press, J.R. et al. (2000). Annotated Checklist of the Flowering Plants of Nepal: i-x, 1-430. Natural History Museum, London.
    • 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.
    • Bor, N.L. (1970). Flora Iranica 70: 1-573. Naturhistorisches Museums Wien.

    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.
    • Noltie, H.J. (2000). Flora of Bhutan 3(2): 457-883. Royal Botanic Gardens, Edinburgh.
    • Press, J.R. et al. (2000). Annotated Checklist of the Flowering Plants of Nepal: i-x, 1-430. Natural History Museum, London.
    • Cope, T.A. (1982). Flora of Pakistan 143: 1-678. Department of Botany, University of Karachi, Karachi.
    • 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

    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