1. Family: Poaceae Barnhart
    1. Genus: Plinthanthesis Steud.
      1. Plinthanthesis rodwayi (C.E.Hubb.) S.T.Blake

        This species is accepted, and its native range is SE. New South Wales.

    [GB]
    Habit
    Perennial; caespitose. Basal innovations intravaginal. Culms decumbent; 30-40 cm long; 2-3 -noded. Leaves mostly basal. Ligule a fringe of hairs. Leaf-blades curled; filiform; involute, or convolute; 10-20 cm long; 1-2 mm wide.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; 4-8 cm long; 4-6 cm wide. Primary panicle branches 2-5 cm long. Panicle branches scaberulous. Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform; 4-10 mm long.
    Spikelets
    Spikelets comprising 2-3 fertile florets; without rhachilla extension, or with a barren rhachilla extension (when 2-fld). Spikelets oblong; laterally compressed; 4.5-6.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 1.3 mm long.
    Fertile
    Spikelets comprising 2-3 fertile florets; without rhachilla extension, or with a barren rhachilla extension (when 2-fld). Spikelets oblong; laterally compressed; 4.5-6.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes 1.3 mm long.
    Glume
    Glumes persistent; similar; exceeding apex of florets; gaping. Lower glume lanceolate; 4.5-6.5 mm long; 1 length of upper glume; chartaceous; 1-keeled; 1-3 -veined. Lower glume primary vein scaberulous. Lower glume surface asperulous. Lower glume apex acute. Upper glume lanceolate; 4.5-6.5 mm long; 1.5-2 length of adjacent fertile lemma; chartaceous; 1-keeled; 1-3 -veined. Upper glume primary vein scaberulous. Upper glume surface asperulous. Upper glume apex acute.
    Florets
    Fertile lemma oblong; 3-4 mm long; chartaceous; much thinner above; much thinner on margins; without keel; 9 -veined. Lemma surface pubescent; hairy below; hairy between veins. Lemma apex dentate; 2 -fid; muticous, or mucronate. Palea oblong; 1 length of lemma; chartaceous; thinner above; 2 -veined. Palea keels scaberulous. Palea surface pubescent; hairy on back and on flanks. Palea apex emarginate.
    Flowers
    Lodicules 2; fleshy; glabrous. Anthers 3; 1.5 mm long.
    Fruits
    Caryopsis with adherent pericarp. Hilum linear; 0.5 length of caryopsis.
    Distribution
    Australasia: Australia.
    Reference
    Arundineae. WDC.

    Images

    Distribution

    Native to:

    New South Wales

    Plinthanthesis rodwayi (C.E.Hubb.) S.T.Blake appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1993 Pullen, R. [4128], Australia K000702641
    Rodway, F.A. [2661], Australia K000702637 Unknown type material
    Rodway, F.A. [2661], Australia K000702638 Unknown type material
    Rodway, F.A. [2661], Australia K000702639 Unknown type material
    Rodway, F.A. [2661], Australia K000702640
    Rodway, F.A. [3059], Australia K000702642
    Rodway, F.A. [3059], Australia K000702643

    First published in Contr. Queensland Herb. 14: 3 (1972)

    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