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  1. Family: Poaceae Barnhart
    1. Genus: Dichelachne Endl.
      1. Dichelachne lautumia Edgar & Connor

        This species is accepted, and its native range is New Zealand South Island.

    [GB]
    Habit
    Perennial; caespitose. Basal innovations extravaginal. Culms 45-60 cm long. Culm-nodes green, or purple; pubescent. Leaf-sheaths mostly shorter than adjacent culm internode; striately veined. Ligule a ciliolate membrane; 0.7-1 mm long; scaberulous on abaxial surface; erose; truncate. Leaf-blades 6-20 cm long; 1.5-3 mm wide; grey-green. Leaf-blade surface ribbed; grooved adaxially; scabrous; rough adaxially. Leaf-blade margins scabrous.
    Inflorescences
    Inflorescence a panicle. Panicle contracted; linear; 10-16 cm long; 1-1.5 cm wide. Primary panicle branches bearing spikelets almost to the base. Panicle branches scabrous. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets laterally compressed; 6-8 mm long; breaking up at maturity. Floret callus evident; bearded. Floret callus hairs 4 mm long.
    Fertile
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets laterally compressed; 6-8 mm long; breaking up at maturity. Floret callus evident; bearded. Floret callus hairs 4 mm long.
    Glume
    Glumes similar. Lower glume lanceolate, or elliptic; 3-6 mm long; 1 -veined. Lower glume primary vein scabrous. Lower glume apex acuminate. Upper glume lanceolate, or elliptic; 3-6 mm long; 1 -veined. Upper glume primary vein scabrous. Upper glume apex acuminate.
    Florets
    Fertile lemma 6-7 mm long; cartilaginous. Lemma surface papillose; rough above. Lemma apex dentate; 2 -fid; with lobes 0.5-1 mm long; acuminate; awned; 1 -awned. Principal lemma awn dorsal; arising 0.5 way up back of lemma; geniculate; 8-12 mm long overall; with twisted column. Column of lemma awn hirsute. Palea keels scabrous. Palea surface pilose; hairy above. Rhachilla extension 0.5 mm long.
    Flowers
    Lodicules 2; cuneate; 0.5 mm long; ciliate. Anthers 3; 1-1.5 mm long.
    Fruits
    Caryopsis 3.5 mm long. Embryo 0.15 length of caryopsis. Hilum punctiform.
    Distribution
    Australasia: New Zealand.
    Reference
    Aveneae. Edgar & Connor 2001.

    Distribution

    Native to:

    New Zealand South

    Other Data

    Dichelachne lautumia Edgar & Connor appears in other Kew resources:

    Bibliography

    First published in New Zealand J. Bot. 37: 67 (1999)

    Accepted by

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

    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