1. Family: Poaceae Barnhart
    1. Genus: Uranthoecium Stapf
      1. Uranthoecium truncatum (Maiden & Betche) Stapf

        This species is accepted, and its native range is Central & E. Central Australia.

    [GB]
    Habit
    Annual; caespitose. Culms 30-40 cm long. Ligule a ciliate membrane. Leaf-blades 5-15 cm long; 2-4 mm wide.
    Inflorescences
    Inflorescence composed of racemes. Racemes borne along a central axis; in a bilateral false spike; appressed; oblong; unilateral; 0.8-1.5 cm long; bearing few fertile spikelets; bearing 2-4 fertile spikelets on each. Central inflorescence axis 7-15 cm long; flattened; disarticulating at nodes. Rhachis angular; terminating in a barren extension; extension subulate. Spikelet packing abaxial; crowded. Spikelets solitary. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 10 mm long; falling entire; deciduous with accessory branch structures.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 10 mm long; falling entire; deciduous with accessory branch structures.
    Glume
    Glumes dissimilar; shorter than spikelet; thinner than fertile lemma. Lower glume oblong; 3-4 mm long; 0.25 length of spikelet; chartaceous; without keels; 7 -veined. Lower glume apex truncate. Upper glume ovate; 5 mm long; chartaceous; 2-keeled; keeled above; 7 -veined. Upper glume apex truncate.
    Florets
    Basal sterile florets barren; with palea. Lemma of lower sterile floret lanceolate; 1 length of spikelet; coriaceous; much thinner on margins; 2-keeled (above); 7-9 -veined; sulcate; caudate. Palea of lower sterile floret becoming indurate on keels at maturity; winged on keels. Fertile lemma ovate; 4-5 mm long; indurate; without keel; 5 -veined. Lemma margins involute. Lemma apex rostrate. Palea indurate; 2 -veined.
    Distribution
    Australasia: Australia.
    Reference
    Paniceae. WDC.

    Images

    Distribution

    Native to:

    New South Wales, Northern Territory, Queensland, South Australia, Western Australia

    Uranthoecium truncatum (Maiden & Betche) Stapf appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Apr 1, 1934 Mullen, A.W. [1908], Australia K000215240 isotype

    First published in Hooker's Icon. Pl. 31: t. 3073 (1916)

    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.

    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