1. Family: Poaceae Barnhart
    1. Genus: Dichelachne Endl.
      1. Dichelachne hirtella N.G.Walsh

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

    [GB]
    Habit
    Annual, or perennial; caespitose. Culms erect; 30-60(-150) cm long. Ligule a ciliolate membrane; 1-1.5 mm long; truncate. Leaf-blades flat, or conduplicate; 7-15 cm long; 1-4 mm wide. Leaf-blade surface smooth, or scaberulous; glabrous, or puberulous.
    Inflorescences
    Inflorescence a panicle. Peduncle 25-55 cm long. Panicle spiciform; linear; (6-)8-15(-25) cm long. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 6.5-10 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; pilose. Floret callus hairs 1-1.8 mm long.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 6.5-10 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; pilose. Floret callus hairs 1-1.8 mm long.
    Glume
    Glumes persistent; similar; reaching apex of florets; thinner than fertile lemma; gaping. Lower glume lanceolate; 6.5-10 mm long; 1 length of upper glume; hyaline; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acuminate. Upper glume lanceolate; 6.5-10 mm long; 1-1.2 length of adjacent fertile lemma; hyaline; 1-keeled; 1 -veined. Upper glume lateral veins absent. Upper glume apex acuminate.
    Florets
    Fertile lemma linear; 6-8 mm long; cartilaginous; keeled; lightly keeled; 5 -veined. Lemma surface puberulous. Lemma margins involute. Lemma apex dentate; 2 -fid; awned; 1 -awned. Principal lemma awn subapical; geniculate; (15-)20-26(-30) mm long overall; with twisted column. Column of lemma awn puberulous; with 0.3 mm long hairs. Palea linear; 4.5-6.5 mm long. Palea surface glabrous, or pubescent; hairy on back and on margins.
    Flowers
    Lodicules 2; membranous. Anthers 2-3; 0.5 mm long, or 1-1.5 mm long; retained within floret, or eventually exserted.
    Fruits
    Caryopsis with adherent pericarp. Hilum linear.
    Distribution
    Australasia: Australia.
    Reference
    Aveneae. Walsh 1997.
    Diagnostic
    Awn arising 1-2mm from tip.

    Distribution

    Native to:

    New South Wales, South Australia, Victoria

    Dichelachne hirtella N.G.Walsh appears in other Kew resources:

    First published in Muelleria 7: 455 (1992)

    Accepted by

    • Wilson, A. (ed.) (2009). Flora of Australia 44A: 1-410. Australian Government Publishing Service, Canberra.
    • 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
    • Wilson, A. (ed.) (2009). Flora of Australia 44A: 1-410. Australian Government Publishing Service, Canberra.

    Sources

    GrassBase - The Online World Grass Flora
    http://creativecommons.org/licenses/by-nc-sa/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