1. Family: Poaceae Barnhart
    1. Genus: Calamagrostis Adans.
      1. Calamagrostis lahulensis G.Singh

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

    [GB]
    Habit
    Perennial; caespitose. Butt sheaths persistent and investing base of culm; with compacted dead sheaths. Culms erect; 15-30 cm long. Lateral branches lacking. Leaf-sheaths glabrous on surface. Ligule an eciliate membrane; 1 mm long. Leaf-blades flat, or involute; 13.5 cm long; 2.5-3 mm wide. Leaf-blade surface pilose; sparsely hairy; hairy adaxially. Leaf-blade margins scaberulous.
    Inflorescences
    Inflorescence a panicle. Panicle contracted; oblong; equilateral; 2.5-5 cm long. Panicle branches scaberulous. Spikelets solitary. Fertile spikelets pedicelled. Pedicels scaberulous.
    Spikelets
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 4-5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pilose.
    Fertile
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 4-5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pilose.
    Glume
    Glumes persistent; similar; exceeding apex of florets; firmer than fertile lemma. Lower glume lanceolate; 4-4.5 mm long; 0.9-1 length of upper glume; membranous; 1-keeled; 3 -veined. Lower glume surface asperulous. Lower glume apex acuminate. Upper glume lanceolate; 4-5 mm long; 1-1.2 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume surface asperulous. Upper glume apex acuminate.
    Florets
    Fertile lemma oblong, or ovate; 4 mm long; membranous; without keel; 5 -veined. Lemma apex dentate; 4 -fid; awned; 1 -awned. Principal lemma awn dorsal; arising 0.66 way up back of lemma; 3 mm long overall. Palea 3 mm long; hyaline; 2 -veined. Rhachilla extension 1.5-2 mm long; pilose.
    Flowers
    Lodicules 2. Anthers 3; 2 mm long. Stigmas 2.
    Fruits
    Caryopsis with adherent pericarp. Hilum punctiform.
    Distribution
    Asia-temperate: China. Asia-tropical: India.
    Reference
    Aveneae. Fl Assam 1993.

    Images

    Distribution

    Native to:

    China South-Central, East Himalaya, Nepal, Tibet, West Himalaya

    Calamagrostis lahulensis G.Singh appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Feb 19, 1998 Hooker, J.D. [s.n.], Sikkim K000032374 Unknown type material
    Feb 19, 1998 Hooker, J.D. [s.n.], India K000032375 Unknown type material
    Feb 19, 1998 Hooker, J.D. [10], Sikkim K000032376 Unknown type material
    Feb 19, 1998 Hooker, J.D. [10], Sikkim K000032377 Unknown type material
    Feb 19, 1998 Hooker, J.D. [s.n.], Sikkim K000838345
    Feb 19, 1998 Hooker, J.D. [s.n.], India K000838346
    Feb 19, 1998 Hooker, J.D. [s.n.] K000838348
    Hooker, J.D. [s.n.], Nepal K000838347 Unknown type material

    First published in Taxon 33: 94 (1984)

    Accepted by

    • Kandwal, M.K. & Gupta, B.K. (2009). An update on grass flora of Uttarkhand Indian Journal of Forestry 32: 657-668.
    • 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
    • Kandwal, M.K. & Gupta, B.K. (2009). An update on grass flora of Uttarkhand Indian Journal of Forestry 32: 657-668.
    • Wu, Z. & Raven, P.H. (eds.) (2006). Poaceae Flora of China 22: 1-733. Missouri Botanical Garden Press, St. Louis.
    • Press, J.R. et al. (2000). Annotated Checklist of the Flowering Plants of Nepal: i-x, 1-430. Natural History Museum, London.

    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