1. Family: Poaceae Barnhart
    1. Genus: Calamagrostis Adans.
      1. Calamagrostis rodwayi (Vickery) Govaerts

        This species is accepted, and its native range is SE. Queensland to SE. Australia.

    [GB]
    Habit
    Perennial. Culms erect, or geniculately ascending; slender; 15-40 cm long; 3 -noded. Culm-nodes glabrous. Leaf-sheaths antrorsely scabrous; glabrous on surface. Ligule an eciliate membrane; 2-3 mm long; scaberulous on abaxial surface; lacerate; truncate. Leaf-blades 4-10 cm long; 1-3 mm wide. Leaf-blade surface puberulous, or pubescent; hairy on both sides. Leaf-blade apex acute.
    Inflorescences
    Inflorescence a panicle. Panicle contracted; linear; 4-11 cm long. Primary panicle branches appressed; 2-3 -nate; bearing spikelets almost to the base. Panicle axis with lower internodes 1-2.5 cm long. Panicle branches scaberulous. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 0.5-3 mm long; scabrous.
    Spikelets
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 3.5-4.2 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pubescent. Floret callus hairs 0.2-0.8 mm long; 0.2 length of lemma.
    Fertile
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 3.5-4.2 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pubescent. Floret callus hairs 0.2-0.8 mm long; 0.2 length of lemma.
    Glume
    Glumes persistent; similar; reaching apex of florets; thinner than fertile lemma; gaping. Lower glume lanceolate; 1 length of upper glume; membranous; much thinner on margins; 1-keeled; 1 -veined. Lower glume primary vein scabrous. Lower glume lateral veins absent. Lower glume surface asperulous. Lower glume apex acute. Upper glume lanceolate; 3.5-4.2 mm long; 1 length of adjacent fertile lemma; membranous; with scarious margins; 1-keeled; 1 -veined. Upper glume primary vein scabrous. Upper glume lateral veins absent. Upper glume surface asperulous. Upper glume apex acute.
    Florets
    Fertile lemma lanceolate; 3.5-4.2 mm long; coriaceous; without keel; 5 -veined. Lemma surface scaberulous. Lemma apex erose; truncate; awned; 1 -awned. Principal lemma awn dorsal; arising 0.5 way up back of lemma; geniculate; 2 mm long overall; with twisted column. Palea 1 length of lemma. Palea keels scaberulous; adorned above. Rhachilla extension 1 mm long; glabrous.
    Flowers
    Lodicules 2. Anthers 3; 0.5 mm long. Stigmas 2.
    Fruits
    Caryopsis with adherent pericarp; oblong; 2 mm long. Hilum punctiform. Disseminule comprising a floret.
    Distribution
    Australasia: Australia.
    Reference
    Aveneae. Vickery 1995.

    Images

    Distribution

    Native to:

    New South Wales, Queensland, Tasmania, Victoria

    Calamagrostis rodwayi (Vickery) Govaerts appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Rodway, J.A. [20], Tasmania K000838406 Unknown type material

    First published in World Checkl. Seed Pl. 3(1): 11 (1999)

    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.

    Literature

    Kew Backbone Distributions
    • 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

    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