1. Family: Poaceae Barnhart
    1. Genus: Calamagrostis Adans.
      1. Calamagrostis tibetica (Bor) Tzvelev

        This species is accepted, and its native range is Qinghai to E. Himalaya.

    [GB]
    Habit
    Perennial; caespitose. Basal innovations intravaginal. Culms erect, or geniculately ascending; 10-20 cm long; 1 mm diam. Culm-internodes antrorsely scabrous. Leaf-sheaths scaberulous. Ligule an eciliate membrane; 2 mm long; scaberulous on abaxial surface; entire, or lacerate; obtuse. Leaf-blades 3-6 cm long; 2-3 mm wide. Leaf-blade surface scabrous; rough on both sides. Leaf-blade margins scabrous. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence a panicle. Peduncle antrorsely scabrous above; glabrous, or pubescent above. Panicle spiciform; linear, or oblong, or ovate; 1-2 cm long; 0.75-1.25 cm wide. Panicle branches pubescent. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus bearded. Floret callus hairs 3 mm long.
    Fertile
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus bearded. Floret callus hairs 3 mm long.
    Glume
    Glumes persistent; similar; exceeding apex of florets; firmer than fertile lemma. Lower glume elliptic; 5 mm long; 1 length of upper glume; membranous; much thinner on margins; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume surface villous. Lower glume margins ciliate. Lower glume apex acute. Upper glume elliptic; 1.2 length of adjacent fertile lemma; membranous; with hyaline margins; 1-keeled; 3 -veined. Upper glume surface villous. Upper glume margins ciliolate. Upper glume apex acute.
    Florets
    Fertile lemma oblong; 4 mm long; membranous; purple; without keel; 5 -veined. Lemma apex dentate; 4 -fid; truncate; awned; 3 -awned. Principal lemma awn dorsal; arising 0-0.1 way up back of lemma; geniculate; 5.5 mm long overall; with twisted column. Lateral lemma awns 0.5 mm long. Palea keels scaberulous. Rhachilla extension 3 mm long; pilose; with 4 mm long hairs.
    Flowers
    Lodicules 2. Anthers 3; 2.25 mm long. Stigmas 2.
    Fruits
    Caryopsis with adherent pericarp. Hilum punctiform. Disseminule comprising a floret.
    Distribution
    Asia-temperate: China. Asia-tropical: India.
    Reference
    Aveneae. Bor 1995.

    Distribution

    Native to:

    East Himalaya, Qinghai, Tibet

    Calamagrostis tibetica (Bor) Tzvelev appears in other Kew resources:

    First published in Pl. Asia Centr. 4: 86 (1968)

    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.
    • Noltie, H.J. (2000). Flora of Bhutan 3(2): 457-883. Royal Botanic Gardens, Edinburgh.

    Literature

    Kew Backbone Distributions
    • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.
    • Noltie, H.J. (2000). Flora of Bhutan 3(2): 457-883. Royal Botanic Gardens, Edinburgh.

    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