1. Family: Poaceae Barnhart
    1. Genus: Elymus L.
      1. Elymus jacutensis (Drobow) Tzvelev

        This species is accepted, and its native range is Siberia to Russian Far East.

    [GB]
    Habit
    Perennial; caespitose; clumped loosely. Culms 45-75 cm long. Ligule an eciliate membrane. Leaf-blades 2-4 mm wide. Leaf-blade surface scabrous; glabrous.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; bilateral; 7-13 cm long; bearing 15-25 fertile spikelets on each. Rhachis flattened. Spikelet packing broadside to rhachis; lax. Rhachis internodes linear. Spikelets solitary. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 3-5 fertile florets; with diminished florets at the apex. Spikelets elliptic to oblong; laterally compressed; 15-17 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes pubescent.
    Fertile
    Spikelets comprising 3-5 fertile florets; with diminished florets at the apex. Spikelets elliptic to oblong; laterally compressed; 15-17 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes pubescent.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; 5-8 mm long; 1 length of upper glume; coriaceous; much thinner on margins; without keels; 3 -veined. Lower glume apex attenuate, or setaceously attenuate. Upper glume lanceolate; 5-8 mm long; 0.5-0.75 length of adjacent fertile lemma; coriaceous; with scarious margins; without keels; 3 -veined. Upper glume apex attenuate, or setaceously attenuate.
    Florets
    Fertile lemma lanceolate; 9-10 mm long; coriaceous; 5 -veined. Lemma surface pubescent. Lemma apex acute; awned; 1 -awned. Principal lemma awn 5-12 mm long overall. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 2; membranous. Anthers 3; 1.5-1.8 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.

    Images

    Distribution

    Native to:

    Altay, Amur, Buryatiya, Irkutsk, Kamchatka, Khabarovsk, Krasnoyarsk, Magadan, Tuva, Yakutskiya

    Elymus jacutensis (Drobow) Tzvelev appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Olenin, P. [324], Russian Federation K000674919

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

    Accepted by

    • Schlotgauer, S.D. & Kryukova, M.V. (2012). New and rare plant species in Khabarovsk territory Turczaninowia 15(1): 51-54.
    • 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.
    • 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.

    Literature

    Kew Backbone Distributions
    • 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

    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