1. Family: Poaceae Barnhart
    1. Genus: Calamagrostis Adans.
      1. Calamagrostis himalaica (L.Liu ex Wen L.Chen) Paszko

        This species is accepted, and its native range is Tibet to China (NW. Yunnan).

    [GB]
    Habit
    Perennial. Rhizomes elongated. Culms erect; 20-60 cm long; 2-3 mm diam.; 2(-4) -noded. Leaf-sheaths mostly shorter than adjacent culm internode; scaberulous; glabrous on surface. Ligule an eciliate membrane; 2-4 mm long. Leaf-blades 9-20 cm long; 2-5 mm wide. Leaf-blade surface scaberulous; glabrous. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence a panicle. Panicle open; oblong; 6-17 cm long; 3-6 cm wide. Primary panicle branches ascending; 3.5-8 cm long. Panicle branches scaberulous. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising (1-)2 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 5-6.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 0.5-1.5 mm long; pilose; with 1-1.5 mm long hairs. Floret callus pilose. Floret callus hairs 1-1.5 mm long; 0.25 length of lemma.
    Fertile
    Spikelets comprising (1-)2 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 5-6.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 0.5-1.5 mm long; pilose; with 1-1.5 mm long hairs. Floret callus pilose. Floret callus hairs 1-1.5 mm long; 0.25 length of lemma.
    Glume
    Glumes persistent; similar; exceeding apex of florets. Lower glume lanceolate; 1 length of upper glume; membranous; purple; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume surface scabrous. Lower glume apex acuminate. Upper glume lanceolate; 5-6.5 mm long; 1.25 length of adjacent fertile lemma; membranous; purple; 1-keeled. Upper glume surface scabrous. Upper glume apex acuminate.
    Florets
    Fertile lemma lanceolate; 4-5 mm long; membranous; without keel; 5 -veined. Lemma surface scaberulous. Lemma apex dentate; 4 -fid; with lobes 0.2-0.8 mm long; awned; 1 -awned. Principal lemma awn dorsal; arising 0.6-0.8 way up back of lemma; curved; reflexed; 8-10 mm long overall. Palea keels scaberulous. Palea apex dentate; 2 -fid. Rhachilla extension 1 mm long; pilose; with 0.8-1 mm long hairs.
    Flowers
    Lodicules 2. Anthers 3; 2-2.5 mm long.
    Fruits
    Caryopsis with adherent pericarp. Hilum punctiform. Disseminule comprising a floret.
    Distribution
    Asia-temperate: China.
    Reference
    Aveneae. Liou 2003.

    Distribution

    Native to:

    China South-Central, Myanmar, Tibet

    Calamagrostis himalaica (L.Liu ex Wen L.Chen) Paszko appears in other Kew resources:

    First published in Polish Bot. J. 60(2): 142 (2015)

    Accepted by

    • Govaerts, R. (2019). World Checklist of Vascular Plants (WCVP 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

    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