1. Family: Poaceae Barnhart
    1. Genus: Elymus L.
      1. Elymus barbicallus (Ohwi) S.L.Chen

        This species is accepted, and its native range is Qinghai to N. China.

    [GB]
    Habit
    Perennial; caespitose. Culms erect; 70-80 cm long; 4-5 -noded. Culm-internodes distally glabrous. Culm-nodes glabrous. Leaf-sheaths 15-20 cm long; smooth. Leaf-sheath auricles falcate. Ligule an eciliate membrane; truncate. Leaf-blades 20-30 cm long; 6-8 mm wide. Leaf-blade surface scaberulous.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; bilateral; 18-22 cm long. Rhachis flattened. Spikelet packing broadside to rhachis. Rhachis internodes linear. Spikelets solitary. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 5-8 fertile florets; with diminished florets at the apex. Spikelets elliptic to oblong; laterally compressed; 20-25 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes scaberulous. Floret callus pubescent.
    Fertile
    Spikelets comprising 5-8 fertile florets; with diminished florets at the apex. Spikelets elliptic to oblong; laterally compressed; 20-25 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes scaberulous. Floret callus pubescent.
    Glume
    Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; 8-9 mm long; 1 length of upper glume; coriaceous; without keels; 5-7 -veined. Lower glume surface scabrous. Lower glume apex acuminate. Upper glume lanceolate; 8-9 mm long; 1 length of adjacent fertile lemma; coriaceous; without keels; 5-7 -veined. Upper glume surface scabrous. Upper glume apex acuminate.
    Florets
    Fertile lemma lanceolate; 8-10 mm long; coriaceous; 5 -veined. Lemma surface scaberulous. Lemma apex acute; awned; 1 -awned. Principal lemma awn 20-30 mm long overall. Palea 8-9 mm long. Palea keels ciliolate; adorned below. 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: China.
    Reference
    Triticeae. Ohwi 1995.

    Images

    Distribution

    Native to:

    China North-Central, Inner Mongolia, Qinghai

    Elymus barbicallus (Ohwi) S.L.Chen appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Kanashiro, T. [3605], China K000674907 isotype

    First published in Bull. Nanjing Bot. Gard. 1987: 9 (1988)

    Accepted by

    • 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.

    Literature

    Kew Backbone Distributions
    • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.

    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