1. Family: Poaceae Barnhart
    1. Genus: Isachne R.Br.
      1. Isachne gracilis C.E.Hubb.

        This species is accepted, and its native range is India.

    [GB]
    Habit
    Annual. Culms erect, or geniculately ascending; slender; 5-25 cm long. Culm-nodes glabrous. Ligule an eciliate membrane, or absent. Leaf-blades lanceolate, or elliptic, or oblong; 1-3 cm long; 2-15 mm wide; membranous. Leaf-blade surface hirsute; sparsely hairy.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; 1-10 cm long. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets orbicular; dorsally compressed; 0.5-1 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets orbicular; dorsally compressed; 0.5-1 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 oblong; 0.2-0.5 mm long; 0.5 length of spikelet; membranous; without keels; 5-7 -veined. Lower glume surface pubescent. Lower glume apex obtuse. Upper glume oblong; 0.5-1 mm long; 1 length of spikelet; membranous; without keels; 7-9 -veined. Upper glume surface pubescent. Upper glume apex obtuse.
    Florets
    Fertile florets with the lowest dissimilar. Lowest fertile lemma oblong; 0.5-1 mm long; 1-2 length of adjacent lemma; thinner than adjacent lemma. Fertile lemma orbicular, or obovate; 0.5 mm long; coriaceous; without keel. Lemma surface pubescent. Lemma margins involute. Lemma apex obtuse. Palea coriaceous; 2 -veined. Palea surface pubescent.
    Flowers
    Anthers 3.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Asia-tropical: India.
    Reference
    Isachneae. Nair 1993.

    Images

    Distribution

    Isachne gracilis C.E.Hubb. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Dec 1, 1926 Meebold, A.K. [10781], India K000245440 Unknown type material
    McCann, C. [s.n.], India K000245441 Unknown type material
    McCann, C. [s.n.], India K001056203

    First published in Bull. Misc. Inform. Kew 1927: 77 (1927)

    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.
    • 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
    • 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