1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum muelleri (Hughes) Lazarides

        This species is accepted, and its native range is N. Australia to Queensland.

    [GB]
    Habit
    Annual. Culms erect; 8-30 cm long; 4-8 -noded. Culm-nodes pubescent. Lateral branches ample. Ligule a fringe of hairs; 0.4-1.5 mm long. Leaf-blades flat, or involute; 2-12 cm long; 1-5 mm wide.
    Inflorescences
    Inflorescence a panicle; embraced at base by subtending leaf. Panicle open; ovate; 1-8 cm long. Primary panicle branches 1-5 cm long; bearing 1-6 fertile spikelets on each lower branch. Panicle branches scabrous. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 2-12 mm long.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate, or oblanceolate, or elliptic; dorsally compressed; 4.7-5.5 mm long; 1.4-1.7 mm wide; falling entire; readily shedding fertile florets. Rhachilla internodes elongated between glumes. Floret callus evident; winged; with free apical wings; truncate.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate, or oblanceolate, or elliptic; dorsally compressed; 4.7-5.5 mm long; 1.4-1.7 mm wide; falling entire; readily shedding fertile florets. Rhachilla internodes elongated between glumes. Floret callus evident; winged; with free apical wings; truncate.
    Glume
    Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 1.5-3.1 mm long; 0.33-0.66 length of spikelet; membranous; without keels; 5-7 -veined. Lower glume apex acute. Upper glume lanceolate, or elliptic; 4.7-5.5 mm long; 1 length of spikelet; membranous; without keels; 7 -veined. Upper glume apex acute, or acuminate.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret similar to upper glume; elliptic, or oblong; 1 length of spikelet; membranous; 7 -veined; acute, or acuminate. Fertile lemma elliptic; 2.9-3.4 mm long; indurate; without keel. Lemma margins involute. Lemma apex obtuse. Palea involute; 1 length of lemma; indurate. Palea apex obtuse.
    Flowers
    Anthers 3.
    Distribution
    Australasia: Australia.
    Reference
    Paniceae. Webster.

    Images

    Distribution

    Native to:

    Northern Territory, Queensland, Western Australia

    Panicum muelleri (Hughes) Lazarides appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Mueller, F. [s.n.], Western Australia Yakirra muelleri K000215153 Unknown type material

    First published in Austral. J. Bot. 7: 335 (1959)

    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 Yakirra muelleri.]

    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