1. Family: Poaceae Barnhart
    1. Genus: Aristida L.
      1. Aristida platychaeta S.T.Blake

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

    [GB]
    Habit
    Perennial; caespitose. Culms 15-50 cm long; 1-2 -noded. Culm-internodes smooth; distally glabrous. Leaf-sheaths striately veined. Leaf-sheath oral hairs bearded; 3 mm long. Ligule a fringe of hairs; 1 mm long. Collar glabrous. Leaf-blades curled, or flexuous; flat; 4-8 cm long; 1-1.5 mm wide. Leaf-blade surface scaberulous; rough adaxially.
    Inflorescences
    Inflorescence a panicle. Panicle contracted; linear; 10-23 cm long; 2-3 cm wide. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 5-7 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus elongated; pubescent; acute.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 5-7 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus elongated; pubescent; acute.
    Glume
    Glumes persistent; similar; reaching apex of florets; thinner than fertile lemma. Lower glume lanceolate; 5-7 mm long; 1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein smooth, or scaberulous. Lower glume lateral veins absent. Lower glume apex acute, or acuminate. Upper glume lanceolate; 5-7 mm long; 1 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume lateral veins absent. Upper glume apex acute, or acuminate.
    Florets
    Fertile lemma lanceolate; subterete; 5-6 mm long; coriaceous; pallid, or light brown; without keel; 3 -veined. Lemma surface tuberculate; rough above. Lemma margins convolute; covering most of palea. Lemma apex acute; awned; 3 -awned. Principal lemma awn with 12-18 mm long limb; without a column; persistent. Lateral lemma awns 12-18 mm long; subequal to principal. Palea 0.2 length of lemma; without keels.
    Flowers
    Anthers 3.
    Fruits
    Caryopsis with adherent pericarp; 3 mm long. Hilum linear; 0.5 length of caryopsis.
    Distribution
    Australasia: Australia.
    Reference
    Aristideae. Simon 1993.

    Images

    Distribution

    Native to:

    New South Wales, Queensland, South Australia

    Aristida platychaeta S.T.Blake appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Blake, S.T. [5701], Queensland K000906157 Unknown type material

    First published in Proc. Roy. Soc. Queensland 51: 174 (1940)

    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 2019. 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 2019. 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