1. Family: Poaceae Barnhart
    1. Genus: Calamagrostis Adans.
      1. Calamagrostis austrodensa Govaerts

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

    [GB]
    Habit
    Perennial. Culms slender; 30-50 cm long; 3-4 -noded. Culm-internodes distally glabrous. Leaf-sheaths mostly shorter than adjacent culm internode. Ligule an eciliate membrane; 3-4 mm long; scaberulous on abaxial surface; entire, or erose; obtuse. Leaf-blades flat, or involute; 2-10 cm long; 1-2 mm wide. Leaf-blade surface scaberulous. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence a panicle. Panicle contracted; linear, or oblong; 7-15 cm long; 1-1.5 cm wide. Primary panicle branches appressed. Panicle axis with lower internodes 1-1.5 cm long; scabrous. Panicle branches scabrous. 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; 5-5.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pubescent. Floret callus hairs 0.2-1 mm long.
    Fertile
    Spikelets comprising 1 fertile florets; with a barren rhachilla extension. Spikelets lanceolate; laterally compressed; 5-5.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pubescent. Floret callus hairs 0.2-1 mm long.
    Glume
    Glumes persistent; similar; reaching apex of florets; thinner than fertile lemma. 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 attenuate. Upper glume lanceolate; 5-5.5 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 attenuate.
    Florets
    Fertile lemma lanceolate; 5-5.5 mm long; chartaceous; without keel; 5 -veined. Lemma lateral veins obscure. Lemma surface scaberulous. Lemma apex entire, or erose; acute; awned; 1 -awned. Principal lemma awn dorsal; arising 0.5 way up back of lemma; geniculate; 5 mm long overall; clearly exserted from spikelet; with twisted column. Palea 3.5-4 mm long. Palea keels scaberulous; adorned above. Rhachilla extension 2 mm long; pilose; with 1.5 mm long hairs.
    Flowers
    Lodicules 2. Anthers 3; 0.5-1.2 mm long. Stigmas 2.
    Fruits
    Caryopsis with adherent pericarp. Hilum punctiform. Disseminule comprising a floret.
    Distribution
    Australasia: Australia.
    Reference
    Aveneae. Vickery 1997.

    Images

    Distribution

    Native to:

    South Australia, Tasmania, Victoria

    Calamagrostis austrodensa Govaerts appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Mueller, F.J.H.von [s.n.], Victoria K000838415 Unknown type material
    Mueller, F.J.H.von [s.n.], South Australia K000838416

    First published in World Checkl. Seed Pl. 3(1): 9 (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