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  1. Family: Poaceae Barnhart
    1. Genus: Elymus L.
      1. Elymus macrourus (Turcz. ex Steud.) Tzvelev

        This species is accepted, and its native range is Subarctic to N. China and W. Canada.

    [GB]
    Habit
    Perennial; caespitose. Culms 35-100 cm long. Culm-nodes glabrous. Leaf-sheaths glabrous on surface, or puberulous. Ligule an eciliate membrane; 0.5-1 mm long. Leaf-blades 7-15 cm long; 1.5-9 mm wide. Leaf-blade surface scabrous; rough adaxially.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; bilateral; 4.5-15 cm long. Rhachis flattened. Spikelet packing broadside to rhachis. Rhachis internodes linear; 6-9 mm long. Rhachis internode tip flat. Spikelets solitary. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 3-9 fertile florets; with diminished florets at the apex. Spikelets elliptic to oblong; laterally compressed; 10-26 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 3-9 fertile florets; with diminished florets at the apex. Spikelets elliptic to oblong; laterally compressed; 10-26 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; 5-10 mm long; 1 length of upper glume; coriaceous; without keels; 3-5 -veined. Lower glume lateral veins ribbed. Lower glume surface scabrous; rough on veins. Lower glume apex acute. Upper glume lanceolate; 5-10 mm long; 0.7-1 length of adjacent fertile lemma; coriaceous; without keels; 3-5 -veined. Upper glume lateral veins ribbed. Upper glume surface scabrous; rough on veins. Upper glume apex acute.
    Florets
    Fertile lemma elliptic; 7-10 mm long; coriaceous; 5 -veined. Lemma surface pubescent. Lemma apex acute; muticous, or awned; 1 -awned. Principal lemma awn 0-7 mm long overall. Palea 1 length of lemma. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 2; membranous. Anthers 3; 1-2 mm long. Stigmas 2. Ovary pubescent on apex.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Europe: northern and eastern. Asia-temperate: Siberia, Soviet far east, Soviet Middle Asia, China, and Mongolia. North America: Subarctic.
    Reference
    Triticeae. Fl Alaska 1994.

    Images

    Distribution

    Native to:

    Alaska, Altay, British Columbia, Buryatiya, China South-Central, Chita, East European Russia, Finland, Iceland, Irkutsk, Kamchatka, Khabarovsk, Krasnoyarsk, Magadan, Mongolia, North European Russi, Northwest Territorie, Norway, Qinghai, Sakhalin, Sweden, West Siberia, Xinjiang, Yakutskiya, Yukon

    Synonyms

    Other Data

    Elymus macrourus (Turcz. ex Steud.) Tzvelev appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Turczaninow, N. S. [s.n.], Russian Federation K000674920 isotype
    Turczaninow, N. S. [s.n.], Russian Federation K000674921 isotype
    Turczaninow, N. S. [s.n.] K000674922 isotype
    Komarov, V. L. [s.n.], Kamchatka Elymus kronokensis K000674923

    Bibliography

    First published in Spisok Rast. Gerb. Fl. S.S.S.R. Bot. Inst. Vsesojuzn. Akad. Nauk 18: 30 (1970)

    Accepted by

    • Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.
    • 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.
    • Fedorov, A.A. (ed.) (1999). Flora of Russia. The European part and bordering regions 1: 1-546. A.A. Balkema, Rotterdam, Broekfield.
    • Kharkevich, S.S., Probatova, N.S. & Novikov, V.S. (1985). Sosudistye rasteniia sovetskogo Dal’nego Vostoka 1: 1-383. Izd-vo "Nauka," Leningradskoe otd-nie, Leningrad.
    • Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.

    Literature

    Kew Backbone Distributions

    • Marhold, K. (ed.) (2012). IAPT/IOPB chromosome data 13 Taxon 61: 889-902.
    • 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.
    • 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.
    • 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.
    • Kharkevich, S.S., Probatova, N.S. & Novikov, V.S. (1985). Sosudistye rasteniia sovetskogo Dal’nego Vostoka 1: 1-383. Izd-vo "Nauka," Leningradskoe otd-nie, Leningrad.
    • 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

    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