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

        This species is accepted, and its native range is Caucasus.

    [GB]
    Habit
    Perennial. Culms erect; 50-100 cm long. Culm-internodes glaucous; smooth. Ligule an eciliate membrane. Leaf-blades 10-20 cm long; 3-7 mm wide; glaucous. Leaf-blade surface scabrous; rough adaxially. Leaf-blade margins scabrous. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; ascending, or drooping; bilateral; 6-15 cm long. Rhachis flattened; scaberulous on margins. Spikelet packing broadside to rhachis. Rhachis internodes linear; 5-15 mm long. Rhachis internode tip flat. Spikelets solitary. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 4-5 fertile florets; with diminished florets at the apex. Spikelets elliptic to oblong; laterally compressed; 10-16 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes sparsely hairy.
    Fertile
    Spikelets comprising 4-5 fertile florets; with diminished florets at the apex. Spikelets elliptic to oblong; laterally compressed; 10-16 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes sparsely hairy.
    Glume
    Glumes collateral; persistent; similar; shorter than spikelet. Lower glume oblong; 7-9 mm long; 1 length of upper glume; chartaceous; without keels; 5 -veined. Lower glume apex erose; truncate, or obtuse. Upper glume oblong; 7-9 mm long; 0.75 length of adjacent fertile lemma; chartaceous; without keels; 5 -veined. Upper glume apex erose; truncate, or obtuse.
    Florets
    Fertile lemma elliptic, or oblong; 10-11 mm long; coriaceous; 5 -veined. Lemma apex emarginate; muticous. Palea keels scabrous. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 2; membranous. Anthers 3. Stigmas 2. Ovary pubescent on apex.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Asia-temperate: Caucasus.
    Reference
    Triticeae. Fl Iran 1995.

    Images

    Distribution

    Native to:

    North Caucasus, Transcaucasus

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

    Date Reference Identified As Barcode Type Status
    Jan 1, 1978 Wororow, G. [s.n.], Caucasus K000433612 Unknown type material

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

    Accepted by

    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Takhtajan, A.L. (ed.) (2006). Conspectus Florae Caucasi 2: 1-466. Editio Universitatis Petropolitanae.

    Literature

    Kew Backbone Distributions
    • Takhtajan, A.L. (ed.) (2006). Conspectus Florae Caucasi 2: 1-466. Editio Universitatis Petropolitanae.

    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