1. Family: Poaceae Barnhart
    1. Genus: Dichelachne Endl.
      1. Dichelachne inaequiglumis (Hack.) Edgar & Connor

        This species is accepted, and its native range is E. & SE. Australia, N. & Central New Zealand.

    [GB]
    Habit
    Perennial; caespitose. Basal innovations extravaginal. Culms 25-70 cm long. Culm-internodes smooth, or scaberulous; distally glabrous. Culm-nodes purple. Lateral branches lacking. Leaf-sheaths smooth, or scaberulous; glabrous on surface. Ligule a ciliolate membrane; 0.1-0.5 mm long; scaberulous on abaxial surface. Leaf-blades 7-15 cm long; 1-2.5 mm wide. Leaf-blade surface scabrous; rough adaxially, or on both sides.
    Inflorescences
    Inflorescence a panicle. Peduncle 25-55 cm long. Panicle open; ovate; 10-30 cm long; 4-8 cm wide. Primary panicle branches whorled at most nodes. Panicle branches scaberulous. Spikelets solitary. Fertile spikelets pedicelled. Pedicels scaberulous.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension, or with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 4-6 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; 1 mm long; pubescent. Floret callus hairs 1 mm long.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension, or with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 4-6 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus evident; 1 mm long; pubescent. Floret callus hairs 1 mm long.
    Glume
    Glumes persistent; similar; reaching apex of florets; thinner than fertile lemma; gaping. Lower glume lanceolate; 3-3.5 mm long; 0.75 length of upper glume; membranous; 1-keeled; keeled above; 1 -veined. Lower glume primary vein scaberulous. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 4-5 mm long; 1 length of adjacent fertile lemma; membranous; 1-keeled; keeled above; 1 -veined. Upper glume primary vein scaberulous. Upper glume lateral veins absent. Upper glume apex acute.
    Florets
    Fertile lemma lanceolate; 4-6 mm long; cartilaginous; keeled; lightly keeled; 5 -veined. Lemma surface scaberulous. Lemma margins involute. Lemma apex dentate; 2 -fid; awned; 1 -awned. Principal lemma awn subapical; flexuous; 13.5-18.5 mm long overall. Palea linear; 3.5-4 mm long. Palea keels scaberulous. Palea apex ciliate. Rhachilla extension 0-0.2 mm long.
    Flowers
    Lodicules 2; cuneate; 0.4-0.7 mm long; membranous. Anthers 3; 1-1.5 mm long.
    Fruits
    Caryopsis with adherent pericarp; sulcate on hilar side; 2-2.5 mm long. Embryo 0.1-0.2 length of caryopsis. Hilum linear; 0.8 length of caryopsis.
    Distribution
    Australasia: Australia and New Zealand.
    Reference
    Aveneae. Edgar & Connor 1995.

    Distribution

    Native to:

    New South Wales, New Zealand North, New Zealand South, Queensland, South Australia, Tasmania, Victoria

    Dichelachne inaequiglumis (Hack.) Edgar & Connor appears in other Kew resources:

    First published in New Zealand J. Bot. 20: 307 (1982)

    Accepted by

    • Edgar, E & Connor, H.E. (2010). Flora of New Zealand, ed. 2, 5: 1-650. R.E.Owen, Government Printer, Wellington.
    • 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
    • Edgar, E & Connor, H.E. (2010). Flora of New Zealand, ed. 2, 5: 1-650. R.E.Owen, Government Printer, Wellington.
    • 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