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  1. Family: Poaceae Barnhart
    1. Genus: Urochloa P.Beauv.
      1. Urochloa holosericea (R.Br.) R.D.Webster

        This species is accepted, and its native range is New Guinea to N. & N. Central Australia.

    [GB]
    Habit
    Annual. Culms erect; 15-23 cm long. Leaf-sheaths outer margin hairy. Ligule a fringe of hairs. Leaf-blades linear, or lanceolate; flat, or conduplicate; 1-4 cm long; 3-6 mm wide. Leaf-blade surface pilose; sparsely hairy. Leaf-blade margins cartilaginous; crenate. Leaf-blade apex acute.
    Inflorescences
    Inflorescence composed of racemes. Peduncle pubescent above. Racemes 4-6; borne along a central axis; unilateral; 1-2.25 cm long. Central inflorescence axis 3-7 cm long. Rhachis wingless; angular; scabrous on surface. Spikelet packing adaxial; regular; 2 -rowed. Spikelets solitary. Fertile spikelets pedicelled. Pedicels oblong; 1 mm long; scabrous; tip discoid.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; compressed slightly; acute; 2.5-3 mm long; with hairs extending 1-1.5 mm beyond apex; falling entire. Spikelet callus pubescent.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; compressed slightly; acute; 2.5-3 mm long; with hairs extending 1-1.5 mm beyond apex; falling entire. Spikelet callus pubescent.
    Glume
    Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume lanceolate; 1.5-2 mm long; 0.6-0.7 length of spikelet; membranous; without keels; 3 -veined. Lower glume surface pubescent. Lower glume apex acuminate. Upper glume elliptic; 1 length of spikelet; membranous; without keels; 5 -veined. Upper glume surface pubescent; with a transverse fringe of hair. Upper glume hairs 2.5 mm long. Upper glume apex acuminate.
    Florets
    Basal sterile florets barren; with palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; 5 -veined; sulcate; pubescent; with a transverse fringe of hair; bearing hairs 2.5 mm long; acute; awned. Awn of lower sterile floret 2-2.5 mm long. Fertile lemma ovate; 2-2.5 mm long; indurate; without keel. Lemma surface rugulose. Lemma margins involute. Lemma apex apiculate. Palea involute; indurate; without keels. Palea surface rugose.
    Fruits
    Caryopsis orbicular; 1.25-1.5 mm long; obtuse.
    Distribution
    Asia-tropical: Papuasia. Australasia: Australia.
    Reference
    Paniceae. Lazarides.

    Images

    Distribution

    Native to:

    New Guinea, Northern Territory, Queensland, Western Australia

    Accepted Infraspecifics

    Synonyms

    Other Data

    Urochloa holosericea (R.Br.) R.D.Webster appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Mar 1, 1988 Brown, R. [6094], Australia Brachiaria holosericea K000958878 Unknown type material
    Mar 1, 1988 Brown, R. [446], Australia Brachiaria holosericea K000958879
    Brown, R. [s.n.], Australia Brachiaria holosericea K000958883
    McKinlay, J. [s.n.], Northern Territory Brachiaria holosericea K000958882
    s.coll. [s.n.], Australia Brachiaria holosericea K000958880
    Schombutgk, R. [s.n.], Northern Territory Brachiaria holosericea K000958881

    Bibliography

    First published in Austral. Paniceae: 239 (1987)

    Not 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. [Cited as Brachiaria holosericea.]

    Literature

    Kew Backbone Distributions

    • Henty, E.E. (1969). A manual of the grasses of New Guinea: 1-215. Division of Botany, Dpt. of Forests, LAE, New Guinea.

    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