1. Family: Poaceae Barnhart
    1. Genus: Aristida L.
      1. Aristida warburgii Mez

        This species is accepted, and its native range is New Guinea to E. Australia.

    [GB]
    Habit
    Perennial; caespitose. Culms 30-90 cm long. Culm-internodes smooth; distally glabrous. Leaf-sheaths glabrous on surface. Leaf-sheath oral hairs ciliate, or bearded. Ligule a fringe of hairs; 0.3 mm long. Collar glabrous, or pubescent. Leaf-blades filiform; involute; 8-16 cm long; 1 mm wide.
    Inflorescences
    Inflorescence a panicle. Panicle open; elliptic; 11-15 cm long; 2-7 cm wide. Primary panicle branches 10-22 cm long. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 8.5-17 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus elongated; 1.2-2 mm long; pubescent; acute.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 8.5-17 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus elongated; 1.2-2 mm long; pubescent; acute.
    Glume
    Glumes persistent; similar; exceeding apex of florets; thinner than fertile lemma. Lower glume lanceolate; 7-11.5 mm long; 0.7-0.8 length of upper glume; membranous; 1-keeled; 3-7 -veined. Lower glume apex obtuse. Upper glume lanceolate; 8.5-17 mm long; 1.2-1.5 length of adjacent fertile lemma; membranous; 1-keeled; 1-3 -veined. Upper glume lateral veins absent, or obscure. Upper glume apex obtuse.
    Florets
    Fertile lemma lanceolate; subterete; 7-11 mm long; coriaceous; pallid and light brown; mottled with last colour; without keel; 3 -veined. Lemma surface smooth, or scabrous; rough above. Lemma margins convolute; covering most of palea. Lemma apex acute; awned; 3 -awned. Principal lemma awn 3-branched; reflexed; with 17-33 mm long limb; with twisted column; persistent. Column of lemma awn 5-17 mm long. Lateral lemma awns spreading less than principal; 12-28 mm long; shorter than principal. Palea 0.2 length of lemma; without keels.
    Flowers
    Anthers 3.
    Fruits
    Caryopsis with adherent pericarp; 6-7 mm long. Hilum linear.
    Distribution
    Asia-tropical: Papuasia. Australasia: Australia.
    Reference
    Aristideae. Simon 1993.
    Diagnostic
    Mid awn thicker than laterals.

    Images

    Distribution

    Native to:

    New Guinea, New South Wales, Queensland

    Aristida warburgii Mez appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Aug 8, 1966 Blakely, W.F. [41], New South Wales K000906140 isotype
    Blake, S.T. [14097], Queensland Aristida intricata K000859996 Unknown type material

    First published in Repert. Spec. Nov. Regni Veg. 17: 149 (1921)

    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.
    • Mallett, K. (ed.) (2005). Flora of Australia 44B: 1-486. Australian Government Publishing Service, Canberra.

    Literature

    Kew Backbone Distributions
    • Mallett, K. (ed.) (2005). Flora of Australia 44B: 1-486. 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