1. Family: Poaceae Barnhart
    1. Genus: Elymus L.
      1. Elymus sajanensis (Nevski) Tzvelev

        This species is accepted, and its native range is Siberia to Subarctic America.

    [GB]
    Habit
    Perennial; caespitose. Culms 25-35 cm long. Leaves basal and cauline. Ligule an eciliate membrane. Leaf-blades 2.5-5 mm wide. Leaf-blade surface scabrous; glabrous, or pubescent.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; bilateral; 4.5-7 cm long. Spikelet packing broadside to rhachis. Rhachis internodes linear. Spikelets solitary. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 2-3 fertile florets; with diminished florets at the apex. Spikelets elliptic to oblong; laterally compressed; 10-13 mm long; 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; 10-13 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; asymmetrical (at apex); 6-8 mm long; 1 length of upper glume; coriaceous; without keels; 3-5 -veined. Lower glume surface scabrous; rough on veins. Lower glume apex acute; awned; 1 -awned. Lower glume awn 1 mm long. Upper glume lanceolate; asymmetrical (at apex); 6-8 mm long; 0.5-0.75 length of adjacent fertile lemma; coriaceous; without keels; 3-5 -veined. Upper glume surface scabrous; rough on veins. Upper glume apex acute; awned; 1 -awned. Upper glume awn 1 mm long.
    Florets
    Fertile lemma lanceolate; 8-10 mm long; coriaceous; 5 -veined. Lemma surface scabrous; rough above. Lemma apex dentate; 2 -fid; acute; awned; 1 -awned. Principal lemma awn from a sinus; 1-2 mm long overall. Palea keels ciliate. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 2; membranous. Anthers 3; 2 mm long. Stigmas 2. Ovary pubescent on apex.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Asia-temperate: Siberia and Soviet far east.
    Reference
    Triticeae. Fl USSR 1995.

    Distribution

    Native to:

    Alaska, Altay, Buryatiya, Greenland, Irkutsk, Kamchatka, Krasnoyarsk, Magadan, Mongolia, Northwest Territorie, Nunavut, Tuva, Yakutskiya, Yukon

    Elymus sajanensis (Nevski) Tzvelev appears in other Kew resources:

    First published in Novosti Sist. Vyssh. Rast. 9: 61 (1972)

    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.

    Literature

    Kew Backbone Distributions
    • Flora of North America Editorial Committee (2007). Flora of North America North of Mexico 24: 1-908. Oxford University Press, New York, Oxford.
    • Malyschev, L.I. & Peschkova, G.A. (eds.) (2001). Flora of Siberia 2: 1-362. Scientific Publishers, Inc., Enfield, Plymouth.
    • 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.

    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