1. Family: Poaceae Barnhart
    1. Genus: Dichelachne Endl.
      1. Dichelachne sieberiana Trin. & Rupr.

        This species is accepted, and its native range is SE. Queensland to SE. Australia.

    [GB]
    Habit
    Perennial; caespitose. Culms erect; 30-90 cm long. Lateral branches lacking. Ligule an eciliate membrane; 1-1.5 mm long. Leaf-blades 3-29 cm long; 1-1.5(-3.5) mm wide.
    Inflorescences
    Inflorescence a panicle. Panicle open; lanceolate; 4.5-14.5 cm long; 1-2.5 cm wide. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 5-6 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; 1-1.3 mm long; pilose. Floret callus hairs 1-1.5 mm long.
    Fertile
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 5-6 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; 1-1.3 mm long; pilose. Floret callus hairs 1-1.5 mm long.
    Glume
    Glumes persistent; similar; reaching apex of florets; thinner than fertile lemma; gaping. Lower glume lanceolate; 4-5 mm long; 0.9 length of upper glume; membranous; 1-keeled; keeled above; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute, or acuminate. Upper glume lanceolate; 4.5-6 mm long; 1 length of adjacent fertile lemma; membranous; 1-keeled; keeled above; 1 -veined. Upper glume lateral veins absent. Upper glume apex setaceously attenuate.
    Florets
    Fertile lemma lanceolate; 4-6 mm long; cartilaginous; keeled; lightly keeled; 5 -veined. Lemma margins involute. Lemma apex obtuse; awned; 1 -awned. Principal lemma awn subapical; bigeniculate; (9-)17-23 mm long overall; with twisted column. Palea 3.5-5.5 mm long.
    Flowers
    Anthers 3; 2.4-3 mm long.
    Fruits
    Caryopsis with adherent pericarp; 2.8-3.8 mm long.
    Distribution
    Australasia: Australia.
    Reference
    Aveneae. Fl Australia 2010.

    Images

    Distribution

    Native to:

    New South Wales, Queensland, Tasmania, Victoria

    Dichelachne sieberiana Trin. & Rupr. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jun 27, 2018 Gunn [989], Australia Dichelachne rara subsp. asperula K000356725

    First published in Sp. Gram. Stipac.: 2 (1842)

    Not 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. [Cited as Dichelachne rara.]

    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