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

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

    [GB]
    Habit
    Perennial. Culms geniculately ascending; 30-100 cm long; woody. Culm-nodes glabrous. Leaf-sheaths antrorsely scabrous; glabrous on surface, or pilose; with tubercle-based hairs; outer margin hairy. Ligule a fringe of hairs. Leaf-blades lanceolate; 8-15 cm long; 8-10 mm wide; stiff. Leaf-blade surface scabrous; rough on both sides. Leaf-blade margins cartilaginous.
    Inflorescences
    Inflorescence a panicle. Panicle open; pyramidal; 5-10 cm long. Primary panicle branches 3-7 cm long. Panicle branches flexuous. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets orbicular; dorsally compressed; 1.8 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes suppressed between florets.
    Fertile
    Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets orbicular; dorsally compressed; 1.8 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes suppressed between florets.
    Glume
    Glumes deciduous; similar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 1.8 mm long; 1 length of spikelet; membranous; without keels; 5 -veined. Lower glume surface hispidulous. Lower glume apex obtuse. Upper glume ovate; 1.8 mm long; 1 length of spikelet; membranous; without keels. Upper glume surface hispidulous. Upper glume apex obtuse.
    Florets
    Fertile lemma orbicular; 1.5 mm long; coriaceous; without keel. Lemma margins involute. Lemma apex obtuse. Palea coriaceous; 2 -veined.
    Flowers
    Anthers 3; 1 mm long.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Asia-temperate: China. Asia-tropical: India.
    Reference
    Isachneae. Fl Assam 1993.

    Images

    Distribution

    Native to:

    Assam, Bangladesh, Myanmar, Nepal, Tibet

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

    Date Reference Identified As Barcode Type Status
    Clarke, C.B. [44696], India K000245411 Unknown type material
    Clarke, C.B. [40520], India K000245412 Unknown type material
    Clarke, C.B. [40247], India K000245413 Unknown type material
    Clarke, C.B. [43427], India K000245414 Unknown type material
    Clarke, C.B. [40520], India K001056217

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

    Accepted by

    • Ahmed, Z.U. (ed.) (2008). Encyclopedia of Flora and Fauna of Bangladesh 12: 1-505. Asiatic Society of Bangladesh.
    • 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.
    • Iskandar, E.A.P. & Veldkamp, J.F. (2004). A revision of Malesian Isachne sect. Isachne (Gramineae, Panicoideae, Isachneae) Reinwardtia 12: 159-179.
    • 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.
    • Press, J.R. et al. (2000). Annotated Checklist of the Flowering Plants of Nepal: i-x, 1-430. Natural History Museum, London.
    • Karthikeyan, S., Jain, S.K., Nayar, M.P. & Sanjappa, M. (1989). Florae Indicae Enumeratio: Monocotyledonae: 1-435. Botanical Survey of India, Calcutta.

    Literature

    Kew Backbone Distributions
    • Ahmed, Z.U. (ed.) (2008). Encyclopedia of Flora and Fauna of Bangladesh 12: 1-505. Asiatic Society of Bangladesh.
    • 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.
    • 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