1. Family: Poaceae Barnhart
    1. Genus: Isachne R.Br.
      1. Isachne pallens Hildebr.

        This species is accepted, and its native range is Hawaiian Islands.

    [GB]
    Habit
    Perennial. Culms decumbent; 30-60 cm long; rooting from lower nodes. Ligule a fringe of hairs. Leaf-blades linear, or lanceolate; 6-8 cm long; 2-4 mm wide. Leaf-blade surface glabrous.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; 3-8 cm long; 2-3 cm wide. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets elliptic, or obovate; dorsally compressed; 2 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets elliptic, or obovate; dorsally compressed; 2 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes deciduous; similar; exceeding apex of florets; thinner than fertile lemma. Lower glume ovate; 2 mm long; 1 length of upper glume; 1 length of spikelet; membranous; without keels; 5 -veined. Lower glume apex acute. Upper glume ovate; 2 mm long; membranous; without keels; 7 -veined. Upper glume apex acute.
    Florets
    Fertile lemma elliptic; 1.3-1.6 mm long; coriaceous; without keel. Lemma surface pubescent. Lemma margins involute. Lemma apex obtuse. Palea coriaceous; 2 -veined.
    Flowers
    Anthers 3.
    Fruits
    Caryopsis with adherent pericarp; ovoid; 1 mm long.
    Distribution
    Pacific: north-central.
    Reference
    Isachneae. Wagner 1993.

    Images

    Distribution

    Isachne pallens Hildebr. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    McGregor, R.C. [404], Guam K001056298
    s.coll. [s.n.], Guam K001056300
    s.coll. [s.n.], Marianas K001056299 isotype

    First published in Fl. Hawaiian Isl.: 504 (1888)

    Accepted by

    • Clayton, W.D. & Snow, N. (2010). A key to Pacific Grasses: 1-107. Kew Publishing, Royal Botanic Gardens, Kew.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.

    Literature

    Kew Backbone Distributions
    • Clayton, W.D. & Snow, N. (2010). A key to Pacific Grasses: 1-107. Kew Publishing, Royal Botanic Gardens, Kew.

    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