1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum mitchellii Benth.

        This species is accepted, and its native range is N. & E. Queensland.

    [GB]
    Habit
    Perennial. Rootstock evident. Cataphylls evident. Culms erect; 100-200 cm long; 4-8 -noded. Culm-nodes glabrous. Leaf-sheaths antrorsely scabrous; glabrous on surface, or pilose; outer margin glabrous, or hairy. Ligule a ciliate membrane; 0.8-1.5 mm long. Leaf-blades 10-50 cm long; 6-14 mm wide. Leaf-blade surface scabrous; glabrous.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; 20-40 cm long. Primary panicle branches spreading; 12-30 cm long; bearing 40-200 fertile spikelets on each lower branch. Panicle axis scabrous. Panicle branches scabrous; glabrous in axils. Spikelets solitary. Fertile spikelets pedicelled. Pedicels 2-10 mm long; scabrous.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 2.5-3 mm long; 0.9-1.1 mm wide; falling entire. Rhachilla internodes elongated between glumes. Rhachilla elongation 0.15-0.25 mm long.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 2.5-3 mm long; 0.9-1.1 mm wide; falling entire. Rhachilla internodes elongated between glumes. Rhachilla elongation 0.15-0.25 mm long.
    Glume
    Glumes reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 1.2-1.6 mm long; 0.5-0.6 length of spikelet; membranous; without keels; 3-5 -veined. Lower glume apex acute. Upper glume elliptic; 1 length of spikelet; membranous; without keels; 7 -veined. Upper glume apex obtuse, or acute; muticous, or mucronate.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret similar to upper glume; elliptic; 1 length of spikelet; membranous; 5-7 -veined; acute; muticous, or mucronate. Fertile lemma elliptic; dorsally compressed; 2-2.5 mm long; indurate; without keel. Lemma lateral veins obscure. Lemma margins involute. Lemma apex obtuse. Palea involute; indurate.
    Flowers
    Anthers 3; 1.3-1.6 mm long.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    Australasia: Australia.
    Reference
    Paniceae. Webster 1993.

    Images

    Distribution

    Native to:

    Queensland

    Panicum mitchellii Benth. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Feb 1, 1965 Cunningham, A. [347], Australia K000674335 Unknown type material
    Dallachy, J. [s.n.], Queensland K000674338
    Cunningham, A. [51], Australia K000674336 Unknown type material
    s.coll. [s.n.], Australia K000674337

    First published in Fl. Austral. 7: 489 (1878)

    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