1. Family: Poaceae Barnhart
    1. Genus: Isachne R.Br.
      1. Isachne himalaica Hook.f.

        This species is accepted, and its native range is Afghanistan to Myanmar.

    [GB]
    Habit
    Perennial. Culms erect; 30-60 cm long. Leaf-sheaths glabrous on surface; outer margin hairy. Leaf-sheath oral hairs ciliate. Ligule a fringe of hairs. Leaf-blades linear; 3-13 cm long; 4-9 mm wide. Leaf-blade midrib conspicuous. Leaf-blade surface scabrous; glabrous. Leaf-blade margins cartilaginous.
    Inflorescences
    Inflorescence a panicle. Panicle open; pyramidal; 5-12 cm long. Primary panicle branches 2.5-3.5 cm long. Panicle branches smooth. Spikelets solitary. Fertile spikelets pedicelled. Pedicels glandular.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets orbicular; dorsally compressed; 1.8-2.5 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets orbicular; dorsally compressed; 1.8-2.5 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes deciduous; similar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 1.8-2.5 mm long; 1 length of spikelet; membranous; without keels; 5 -veined. Lower glume surface smooth, or scabrous. Lower glume apex obtuse. Upper glume ovate; 1.8-2.5 mm long; 1 length of spikelet; membranous; without keels. Upper glume surface smooth, or asperulous. Upper glume apex obtuse.
    Florets
    Basal sterile florets male; with palea. Lemma of lower sterile floret ovate; 1.5 mm long; chartaceous. Fertile florets bisexual. Fertile lemma ovate; 1.5 mm long; chartaceous; without keel. Lemma margins involute. Lemma apex obtuse. Palea chartaceous; 2 -veined.
    Flowers
    Anthers 3; 1.5 mm long.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Asia-temperate: China. Asia-tropical: India.
    Reference
    Isachneae. Fl Assam 1993.

    Images

    Distribution

    Native to:

    Afghanistan, Assam, East Himalaya, Myanmar, Nepal, Tibet, West Himalaya

    Isachne himalaica Hook.f. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1896 Hooker, J.D. [1389], India K000245417 Unknown type material
    Hooker, J.D. [1068], India K000245418 Unknown type material
    Hooker, J.D. [s.n.], India K001056212
    Hooker, J.D. [s.n.], India K001056213
    Strachey, R. [2], India K000245415 Unknown type material
    Aitchison, J.E.T. [250], Pakistan K000245416 Unknown type material
    Wallich, N. [s.n.], Nepal K001056215
    Jacquemont, V. [1296], India K001056216
    s.coll. [s.n.], India K001056214

    First published in Fl. Brit. India 7: 23 (1896)

    Accepted by

    • 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.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Kress, W.J., DeFilipps, R.A., Farr, E. & Kyi, D.Y.Y. (2003). A Checklist of the Trees, Shrubs, Herbs and Climbers of Myanmar Contributions from the United States National Herbarium 45: 1-590.
    • Noltie, H.J. (2000). Flora of Bhutan 3(2): 457-883. Royal Botanic Gardens, Edinburgh.
    • Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989). Florae Indicae Enumeratio: Monocotyledonae: 1-435. Botanical Survey of India, Calcutta.
    • Cope, T.A. (1982). Flora of Pakistan 143: 1-678. Department of Botany, University of Karachi, Karachi.

    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.
    • Kress, W.J., DeFilipps, R.A., Farr, E. & Kyi, D.Y.Y. (2003). A Checklist of the Trees, Shrubs, Herbs and Climbers of Myanmar Contributions from the United States National Herbarium 45: 1-590.
    • Noltie, H.J. (2000). Flora of Bhutan 3(2): 457-883. Royal Botanic Gardens, Edinburgh.
    • Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989). Florae Indicae Enumeratio: Monocotyledonae: 1-435. Botanical Survey of India, Calcutta.

    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