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  1. Family: Poaceae Barnhart
    1. Genus: Polypogon Desf.
      1. Polypogon tenellus R.Br.

        This species is accepted, and its native range is SW. & S. Australia.

    [GB]
    Habit
    Annual; caespitose. Culms erect; 30-50 cm long. Ligule an eciliate membrane. Leaf-blades 3-15 cm long; 0.5-4 mm wide. Leaf-blade surface scabrous.
    Inflorescences
    Inflorescence a panicle. Panicle spiciform; lanceolate, or oblong; continuous, or interrupted; 5-12 cm long. Spikelets solitary. Fertile spikelets pedicelled. Pedicels linear, or oblong; 0.5-2 mm long.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 2.5 mm long; falling entire; deciduous from the base. Spikelet callus oblong; 0.5 mm long; pubescent; base obtuse. Floret callus glabrous.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 2.5 mm long; falling entire; deciduous from the base. Spikelet callus oblong; 0.5 mm long; pubescent; base obtuse. Floret callus glabrous.
    Glume
    Glumes similar; reaching apex of florets, or exceeding apex of florets; firmer than fertile lemma; recurved at apex. Lower glume lanceolate; 2.5 mm long; 1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume surface pilose; hairy below. Lower glume apex acuminate; awned; 1 -awned. Lower glume awn 8-9 mm long. Upper glume lanceolate; 2.5 mm long; 1-1.2 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume lateral veins absent. Upper glume surface pilose; hairy below. Upper glume apex acuminate; awned; 1 -awned. Upper glume awn 8-9 mm long.
    Florets
    Fertile lemma lanceolate; 2-2.5 mm long; cartilaginous; without keel; 5 -veined. Lemma apex entire; emarginate, or acute; awned; 1 -awned. Principal lemma awn dorsal; arising 0.5 way up back of lemma; geniculate; 16-25 mm long overall; with twisted column. Palea 0.5 length of lemma; hyaline; 2 -veined.
    Flowers
    Lodicules 2; membranous. Anthers 1.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Australasia: Australia.
    Reference
    Aveneae. Gardner.

    Images

    Distribution

    Native to:

    South Australia, Western Australia

    Synonyms

    Other Data

    Polypogon tenellus R.Br. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Drummond, J. [369], Australia K000913433
    Drummond, J. [369], Western Australia K000913434
    Oldfield, A.F. [s.n.], Western Australia K000913431
    Oldfield, A.F. [s.n.], Western Australia K000913432

    Bibliography

    First published in Prodr. Fl. Nov. Holland.: 173 (1810)

    Accepted by

    • Wilson, A. (ed.) (2009). Flora of Australia 44A: 1-410. Australian Government Publishing Service, Canberra.
    • 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