1. Family: Poaceae Barnhart
    1. Genus: Dinebra Jacq.
      1. Dinebra divaricatissima (S.T.Blake) P.M.Peterson & N.Snow

        This species is accepted, and its native range is E. Australia.

    [GB]
    Habit
    Perennial; caespitose. Culms 30-60 cm long. Culm-internodes distally glabrous, or pubescent. Lateral branches lacking, or sparse. Leaf-sheaths glabrous on surface, or pilose; with simple hairs, or tubercle-based hairs. Ligule an eciliate membrane; 1-2 mm long. Leaf-blades 3-24 cm long; 1.5-4 mm wide. Leaf-blade surface scabrous; glabrous.
    Inflorescences
    Inflorescence composed of racemes. Racemes numerous; borne along a central axis; spreading, or deflexed; unilateral; 10-20 cm long. Central inflorescence axis 15-60 cm long. Rhachis semiterete. Spikelet packing broadside to rhachis; contiguous, or lax; regular; 2 -rowed. Raceme-bases filiform; 20-45 mm long; glabrous, or pilose; hairy at base. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 0.8-2 mm long.
    Spikelets
    Spikelets comprising 3-5 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 3-4 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 3-5 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 3-4 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; shorter than spikelet. Lower glume ovate; 1-1.2 mm long; 0.66-1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acuminate. Upper glume oblong, or ovate; 1.5-2.8 mm long; 0.5-0.75 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume lateral veins absent. Upper glume apex acute, or cuspidate.
    Florets
    Fertile lemma oblong; 2-2.4 mm long; membranous; keeled; 3 -veined. Lemma midvein pubescent; hairy below. Lemma lateral veins close to margins. Lemma margins ciliate. Lemma apex emarginate; muticous, or mucronate. Palea 2 -veined. Palea surface pubescent; hairy on flanks. Apical sterile florets resembling fertile though underdeveloped.
    Fruits
    Caryopsis with free soft pericarp; oblong; isodiametric; trigonous; 0.9-1.1 mm long; obtuse.
    Distribution
    Australasia: Australia.
    Reference
    Eragrostideae. Lazarides 1993.

    Images

    Distribution

    Native to:

    New South Wales, Queensland

    Introduced into:

    Czechoslovakia, South Carolina

    Dinebra divaricatissima (S.T.Blake) P.M.Peterson & N.Snow appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Feb 1, 1997 Blake, S.T. [10517], Queensland Leptochloa divaricatissima K000899894 isotype
    Feb 1, 1997 Blake, S.T. [10517], Queensland Leptochloa divaricatissima K000899895 isotype

    First published in Phytoneuron 2012-71: 1 (2012)

    Accepted by

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

    Literature

    Kew Backbone Distributions
    • Hadinec, J. & Lustyk, P. (eds.) (2014). Additamenta ad floram Reipublicae Bohemicae. XII Zprávy Ceské Botanické Spolecnosti 49: 73-206.
    • Mallett, K. (ed.) (2005). Flora of Australia 44B: 1-486. Australian Government Publishing Service, Canberra.
    • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.

    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