1. Family: Poaceae Barnhart
    1. Genus: Dichelachne Endl.
      1. Dichelachne parva B.K.Simon

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

    [GB]
    Habit
    Perennial; caespitose. Culms erect, or geniculately ascending; 15-35 cm long; 2 -noded. Culm-internodes smooth, or scaberulous; distally glabrous. Culm-nodes glabrous. Lateral branches lacking. Leaves mostly basal. Leaf-sheaths smooth, or scaberulous; glabrous on surface. Ligule an eciliate membrane; 0.5-1 mm long. Leaf-blades 4-8 cm long; 1 mm wide. Leaf-blade surface glabrous, or puberulous; hairy abaxially.
    Inflorescences
    Inflorescence a panicle; comprising 15-30 fertile spikelets. Peduncle 25-55 cm long. Panicle open; ovate; 3-8 cm long; 1-2 cm wide. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 3.5-5.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; 0.5 mm long; pubescent. Floret callus hairs 0.5-1 mm long.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 3.5-5.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; 0.5 mm long; pubescent. Floret callus hairs 0.5-1 mm long.
    Glume
    Glumes persistent; similar; reaching apex of florets; thinner than fertile lemma; gaping. Lower glume lanceolate; 3.5-5.5 mm long; 1 length of upper glume; membranous; much thinner on margins; 1-keeled; keeled above; 1 -veined. Lower glume primary vein scaberulous. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 3.5-5.5 mm long; 1 length of adjacent fertile lemma; membranous; with hyaline margins; 1-keeled; keeled above; 1 -veined. Upper glume primary vein scaberulous. Upper glume lateral veins absent. Upper glume apex acute.
    Florets
    Fertile lemma lanceolate; 3.5-4.5 mm long; cartilaginous; keeled; lightly keeled; 5 -veined. Lemma margins involute. Lemma apex acute; awned; 1 -awned. Principal lemma awn subapical; flexuous; 10-15 mm long overall. Palea 3.5-4 mm long.
    Flowers
    Lodicules 2. Anthers 3; 0.25 mm long.
    Fruits
    Caryopsis with adherent pericarp; oblong; sulcate on hilar side; 3 mm long; light brown.
    Distribution
    Australasia: Australia.
    Reference
    Aveneae. Simon 1995.

    Images

    Distribution

    Native to:

    New South Wales, Queensland, Tasmania, Victoria

    Dichelachne parva B.K.Simon appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Sep 13, 1985 Blake, S.T. [4600], Australia K000356724 isotype

    First published in Austrobaileya 1: 462 (1983)

    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

    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