1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum brachyanthum Steud.

        This species is accepted, and its native range is Oklahoma to S. Mississippi.

    [GB]
    Habit
    Annual. Culms decumbent; slender; 30-100 cm long; wiry. Leaf-sheaths outer margin hairy. Ligule a fringe of hairs. Leaf-blades 5-15 cm long; 1-3 mm wide.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; 5-15 cm long. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; acute; 3.2-4 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; acute; 3.2-4 mm long; falling entire.
    Glume
    Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 0.4-0.5 mm long; 0.15 length of spikelet; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex obtuse. Upper glume elliptic; 1 length of spikelet; membranous; without keels; 5 -veined. Upper glume surface hispid; with tubercle-based hairs. Upper glume apex acute.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret similar to upper glume; elliptic; 1 length of spikelet; membranous; 5 -veined; hispid; with tubercle-based hairs; acute. Fertile lemma oblong; dorsally compressed; 3-3.5 mm long; indurate; shiny; without keel. Lemma margins involute. Lemma apex acute. Palea involute; indurate.
    Distribution
    North America: north-central USA, south-central USA, and southeast USA.
    Reference
    Paniceae. Gr Texas 1994.

    Distribution

    Native to:

    Arkansas, Louisiana, Mississippi, Oklahoma, Texas

    Panicum brachyanthum Steud. appears in other Kew resources:

    First published in Syn. Pl. Glumac. 1: 67 (1853)

    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.
    • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.

    Literature

    Kew Backbone Distributions
    • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.

    Sources

    GrassBase - The Online World Grass Flora
    http://creativecommons.org/licenses/by-nc-sa/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