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

        This species is accepted, and its native range is New South Wales (C. Coast).

    [GB]
    Habit
    Perennial; caespitose. Culms erect; 90 cm long; 5 -noded. Culm-internodes antrorsely scabrous. Culm-nodes glabrous. Leaf-sheaths pubescent. Ligule an eciliate membrane; 1-2 mm long; pubescent on abaxial surface; lacerate; truncate. Leaf-blades flat, or involute; 10-30 cm long; 2-4 mm wide. Leaf-blade surface ribbed; scabrous; rough abaxially; pubescent; densely hairy; hairy adaxially.
    Inflorescences
    Inflorescence a panicle. Panicle contracted; linear, or lanceolate; interrupted; 20-30 cm long. Primary panicle branches appressed; 3-4 -nate. Panicle axis with lower internodes 3-6 cm long. Panicle branches scabrous. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 0.5-2 mm long; scabrous.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 4.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pubescent. Floret callus hairs 0.2-1.2 mm long.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; 4.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pubescent. Floret callus hairs 0.2-1.2 mm long.
    Glume
    Glumes persistent; similar; reaching apex of florets; firmer than fertile lemma; gaping. Lower glume lanceolate; 0.9 length of upper glume; membranous; 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; 1 length of adjacent fertile lemma; membranous; 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; 4.5 mm long; cartilaginous; without keel; 5 -veined. Lemma surface scaberulous. Lemma apex dentate; 2-4 -fid; truncate; awned; 1 -awned. Principal lemma awn dorsal; arising 0.66-0.75 way up back of lemma; curved; 5 mm long overall; without a column. Palea keels scaberulous; adorned above. Palea apex ciliate.
    Flowers
    Lodicules 2. Anthers 3; 0.8 mm long. Stigmas 2.
    Fruits
    Caryopsis with adherent pericarp. Hilum punctiform. Disseminule comprising a floret.
    Distribution
    Australasia: Australia.
    Reference
    Aveneae. Vickery 1994.

    Images

    Distribution

    Native to:

    New South Wales

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

    Date Reference Identified As Barcode Type Status
    Vickery, J.W. [102], New South Wales K000838414 Unknown type material

    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