1. Family: Poaceae Barnhart
    1. Genus: Dinebra Jacq.
      1. Dinebra xerophila (P.M.Peterson & Judz.) P.M.Peterson & N.Snow

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

    [GB]
    Habit
    Perennial; caespitose. Rhizomes short. Culms 40-60 cm long. Ligule an eciliate membrane; 3-7 mm long. Leaf-blades filiform; convolute; 20-40 cm long; 0.5-1 mm wide. Leaf-blade surface scabrous. Leaf-blade apex filiform.
    Inflorescences
    Inflorescence composed of racemes. Racemes numerous; borne along a central axis; ascending; unilateral; 2-6 cm long. Central inflorescence axis 10-20 cm long. Rhachis semiterete. Spikelet packing broadside to rhachis; regular; 2 -rowed. Spikelets solitary. Fertile spikelets pedicelled. Pedicels oblong; 1 mm long.
    Spikelets
    Spikelets comprising 2-3 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 3-3.5 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 2-3 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 3-3.5 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; shorter than spikelet. Lower glume ovate; 2.5 mm long; 1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein scaberulous. Lower glume lateral veins absent. Lower glume apex acute. Upper glume ovate; 2.5 mm long; 1 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume primary vein scaberulous. Upper glume lateral veins absent. Upper glume apex acute.
    Florets
    Fertile lemma elliptic, or oblong; 2.5 mm long; membranous; keeled; 3 -veined. Lemma midvein scabrous; eciliate. Lemma lateral veins close to margins. Lemma margins ciliate. Lemma apex emarginate; mucronate. Palea 2 -veined. Palea keels ciliolate. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Anthers 3.
    Fruits
    Caryopsis with free soft pericarp.
    Distribution
    Pacific: south-central.
    Reference
    Eragrostideae. Brown 1993.

    Images

    Distribution

    Native to:

    Marquesas

    Dinebra xerophila (P.M.Peterson & Judz.) P.M.Peterson & N.Snow appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Mar 1, 1997 Brown, F.B.H. [436], Marquesas Leptochloa xerophila K000899916 isotype

    First published in Ann. Bot. (Oxford) 109: 1327 (2012)

    Accepted by

    • Govaerts, R. (2019). World Checklist of Vascular Plants (WCVP Database) The Board of Trustees of the 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