1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum ravenelii Scribn. & Merr.

        This species is accepted, and its native range is Central & SE. U.S.A.

    [GB]
    Habit
    Perennial. Culms 40-75 cm long. Culm-nodes bearded. Lateral branches fastigiate; arising from mid culm and upper culm. Leaves basal and cauline; heterophyllous with a basal winter rosette. Leaf-sheaths pubescent; with tubercle-based hairs. Ligule a fringe of hairs; 3-4 mm long. Leaf-blades lanceolate; 8-13 cm long; 10-25 mm wide. Leaf-blade venation indistinct. Leaf-blade surface pubescent; densely hairy; hairy abaxially.
    Inflorescences
    Inflorescence a panicle; terminal and axillary. Panicle open; ovate; 7-13 cm long; bearing few spikelets. Panicle axis puberulous. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong, or obovate; with acute base; dorsally compressed; compressed slightly; obtuse; 3.7-5 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong, or obovate; with acute base; dorsally compressed; compressed slightly; obtuse; 3.7-5 mm long; falling entire.
    Glume
    Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 1.8-2.2 mm long; 0.33 length of spikelet; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume oblong; 1 length of spikelet; membranous; without keels; 7-9 -veined. Upper glume lateral veins prominent. Upper glume surface pubescent. Upper glume apex obtuse.
    Florets
    Basal sterile florets barren; with palea. Lemma of lower sterile floret similar to upper glume; oblong; 1 length of spikelet; membranous; 7-9 -veined; prominently veined; pubescent; obtuse. Fertile lemma oblong; dorsally compressed; 3.7-5 mm long; indurate; without keel. Lemma margins involute. Lemma apex obtuse. Palea involute; indurate.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    North America: north-central USA, south-central USA, and southeast USA.
    Reference
    Paniceae. Gr Texas 1994.

    Distribution

    Native to:

    Alabama, Arkansas, Delaware, District of Columbia, Florida, Georgia, Illinois, Iowa, Kentucky, Louisiana, Maryland, Mississippi, Missouri, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, Virginia

    Panicum ravenelii Scribn. & Merr. appears in other Kew resources:

    First published in Bull. Div. Agrostol. U.S.D.A. 24: 36 (1901)

    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.

    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