1. Family: Poaceae Barnhart
    1. Genus: Isachne R.Br.
      1. Isachne diabolica Ohwi

        This species is accepted, and its native range is W. Sumatera.

    [GB]
    Habit
    Perennial. Culms robust; 50-70 cm long; 3-4 mm diam. Culm-internodes smooth; distally glabrous. Lateral branches ample. Ligule a fringe of hairs; 3-5 mm long. Leaf-blade base amplexicaul. Leaf-blades lanceolate; 12-15 cm long; 18-23 mm wide. Leaf-blade surface glabrous.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; 15-20 cm long. Primary panicle branches spreading. Panicle axis glandular; scabrous. Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets orbicular; dorsally compressed; 2 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; 2 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes deciduous; similar; shorter than spikelet; thinner than fertile lemma. Lower glume orbicular; 1.7-1.8 mm long; 1 length of upper glume; 0.9 length of spikelet; membranous; without keels; 7 -veined. Lower glume surface glabrous. Lower glume apex obtuse. Upper glume ovate; 1.7-1.8 mm long; 0.9 length of spikelet; membranous; without keels; 7 -veined. Upper glume surface glabrous. Upper glume apex obtuse.
    Florets
    Fertile florets with the lowest dissimilar. Lowest fertile lemma elliptic; 2 mm long; glabrous. Fertile lemma orbicular; 1.5 mm long; coriaceous; without keel. Lemma surface puberulous. Lemma margins involute. Lemma apex obtuse. Palea coriaceous.
    Flowers
    Anthers 3.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Asia-tropical: Malesia.
    Reference
    Isachneae. Ohwi 2001.

    Images

    Distribution

    Native to:

    Sumatera

    Isachne diabolica Ohwi appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Feb 4, 1944 Bünnemeijer [8739], Sumatera K000290191 isotype

    First published in Bull. Tokyo Sci. Mus. 18: 14 (1947)

    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.
    • Iskandar, E.A.P. & Veldkamp, J.F. (2004). A revision of Malesian Isachne sect. Isachne (Gramineae, Panicoideae, Isachneae) Reinwardtia 12: 159-179.

    Literature

    Kew Backbone Distributions
    • Iskandar, E.A.P. & Veldkamp, J.F. (2004). A revision of Malesian Isachne sect. Isachne (Gramineae, Panicoideae, Isachneae) Reinwardtia 12: 159-179.

    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