1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum larcomianum Hughes

        This species is accepted, and its native range is NE. Northern Territory to Queensland.

    [GB]
    Habit
    Perennial. Cataphylls evident. Culms erect; 40-100 cm long; 4-8 -noded. Culm-nodes glabrous. Leaf-sheaths glabrous on surface. Ligule a ciliolate membrane; 0.7-1.3 mm long. Leaf-blades filiform; flat, or conduplicate; 9-35 cm long; 2-4 mm wide. Leaf-blade surface smooth; glabrous.
    Inflorescences
    Inflorescence a panicle. Panicle open; lanceolate, or ovate; 12-26 cm long. Primary panicle branches ascending, or spreading; 5-12 cm long; bearing 20-60 fertile spikelets on each lower branch. Panicle axis smooth, or scabrous. Panicle branches smooth, or scaberulous. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 0.8-4.5 mm long; scabrous.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 2-2.7 mm long; falling entire. Rhachilla internodes elongated between glumes. Rhachilla elongation 0.1 mm long.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 2-2.7 mm long; falling entire. Rhachilla internodes elongated between glumes. Rhachilla elongation 0.1 mm long.
    Glume
    Glumes reaching apex of florets; thinner than fertile lemma. Lower glume obovate; 0.5-0.8 mm long; 0.25-0.33 length of spikelet; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex truncate, or acute. Upper glume elliptic; 1 length of spikelet; membranous; without keels; 7-9 -veined. Upper glume apex acute, or acuminate.
    Florets
    Basal sterile florets barren; with palea. Lemma of lower sterile floret similar to upper glume; elliptic; 1 length of spikelet; membranous; 7-9 -veined; acute, or acuminate. Palea of lower sterile floret 1 length of lemma. Fertile lemma elliptic; dorsally compressed; 1.6-2 mm long; indurate; without keel. Lemma lateral veins distinct. Lemma margins involute. Lemma apex obtuse, or acute. Palea involute; indurate.
    Flowers
    Anthers 3; 0.8-1.1 mm long.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Australasia: Australia.
    Reference
    Paniceae. Webster 1993.

    Images

    Distribution

    Native to:

    Northern Territory, Queensland

    Panicum larcomianum Hughes appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Bick, E. W. [s.n.], Queensland K000674339
    Bick, E. W. [3], Queensland K000674340 Unknown type material

    First published in Bull. Misc. Inform. Kew 1923: 326 (1923)

    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 2019. 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 2019. 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