1. Family: Poaceae Barnhart
    1. Genus: Elymus L.
      1. Elymus cacuminis B.Rong Lu & B.Salomon

        This species is accepted, and its native range is Nepal to China (Sichuan).

    [GB]
    Habit
    Perennial; caespitose. Culms erect, or geniculately ascending; 25-57 cm long; 2-4 -noded. Leaf-sheaths pilose. Leaf-sheath auricles falcate. Ligule an eciliate membrane; 0.5 mm long. Leaf-blades involute; 2-15 cm long; 1-6 mm wide; light green, or purple. Leaf-blade surface scabrous; rough abaxially; pubescent; hairy adaxially.
    Inflorescences
    Inflorescence composed of racemes. Racemes 1; single; drooping; bilateral; 4-13 cm long; 8-12 mm wide. Rhachis flattened; scabrous on surface; scabrous on margins. Spikelet packing broadside to rhachis; contiguous, or lax. Spikelets appressed; solitary. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 3-6 fertile florets; with diminished florets at the apex. Spikelets elliptic to oblong; laterally compressed; 25-40 mm long; 2.5-4.5 mm wide; breaking up at maturity; disarticulating below each fertile floret. Floret callus pubescent.
    Fertile
    Spikelets comprising 3-6 fertile florets; with diminished florets at the apex. Spikelets elliptic to oblong; laterally compressed; 25-40 mm long; 2.5-4.5 mm wide; breaking up at maturity; disarticulating below each fertile floret. Floret callus pubescent.
    Glume
    Glumes persistent; similar. Lower glume lanceolate; 2-6 mm long; 0.7-0.8 length of upper glume; coriaceous; much thinner on margins; without keels; 1-5 -veined. Lower glume lateral veins absent, or distinct. Lower glume surface scabrous; rough on veins. Lower glume apex acuminate; mucronate. Upper glume lanceolate; 2.5-9 mm long; 0.3-0.8 length of adjacent fertile lemma; coriaceous; with membranous margins; without keels; 3-7 -veined. Upper glume surface scabrous; rough below. Upper glume apex acuminate; mucronate.
    Florets
    Fertile lemma lanceolate, or elliptic; 8-11 mm long; 1.2-2 mm wide; coriaceous; 5 -veined. Lemma surface scabrous; glabrous, or pubescent. Lemma apex acuminate; awned; 1 -awned. Principal lemma awn curved; 15-30 mm long overall. Palea 0.9 length of lemma; 2 -veined. Palea keels ciliate. Palea surface glabrous, or puberulous; hairy on back. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Anthers 3; 1.3-2 mm long; yellow, or purple.
    Distribution
    Asia-temperate: China.
    Reference
    Triticeae. Fl China 2005.

    Images

    Distribution

    Native to:

    China South-Central, Nepal, Tibet

    Elymus cacuminis B.Rong Lu & B.Salomon appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Yang, J.-L. [880758], Tibet K000674906 isotype

    First published in Nordic J. Bot. 13: 355 (1993)

    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