1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum gouinii E.Fourn.

        This species is accepted, and its native range is Mexico (Veracruz), Cuba, Brazil to NE. Argentina.

    [GB]
    Habit
    Perennial. Rhizomes elongated; scaly. Culms erect; 10-50 cm long. Culm-internodes 2.1-5.5 cm long; distally glabrous. Culm-nodes glabrous, or pubescent. Leaf-sheaths 2.7-5.5 cm long; outer margin glabrous, or hairy. Ligule a ciliolate membrane; 0.4-0.8 mm long. Collar dark; glabrous. Leaf-blades 4.5-13 cm long; 2-4 mm wide. Leaf-blade midrib evident; keeled beneath. Leaf-blade surface glabrous. Leaf-blade margins scaberulous.
    Inflorescences
    Inflorescence a panicle. Panicle contracted; lanceolate; 5.4-10 cm long; 1-6 cm wide; bearing few spikelets. Panicle axis angular; scaberulous; glabrous. Panicle branches glabrous in axils. Spikelets appressed; solitary. Fertile spikelets pedicelled. Pedicels 1-4.5 mm long; scabrous; glabrous.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; 2.4-2.9 mm long; 0.9-1.1 mm wide; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; 2.4-2.9 mm long; 0.9-1.1 mm wide; falling entire.
    Glume
    Glumes reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 1-1.6 mm long; 0.4-0.6 length of spikelet; membranous; without keels; 1-7 -veined. Lower glume apex acute. Upper glume ovate; 2.2-2.7 mm long; 1 length of spikelet; membranous; without keels; 9-11 -veined. Upper glume apex acute.
    Florets
    Basal sterile florets male; with palea. Lemma of lower sterile floret similar to upper glume; ovate; 2.2-2.7 mm long; 1 length of spikelet; membranous; 9-11 -veined; acute. Palea of lower sterile floret 2-2.4 mm long. Fertile lemma ovate; dorsally compressed; 1.9-2.1 mm long; 0.8-1 mm wide; indurate; yellow; shiny; without keel; 7 -veined. Lemma margins involute. Palea involute; indurate.
    Flowers
    Anthers 3; 1.5 mm long; orange.
    Fruits
    Caryopsis with adherent pericarp; ellipsoid; 1.5 mm long; dark brown. Embryo 0.4 length of caryopsis. Hilum elliptic.
    Distribution
    North America: southeast USA and Mexico. South America: Caribbean, Brazil, and southern South America.
    Reference
    Paniceae. Zuloaga 1995.

    Images

    Distribution

    Native to:

    Argentina Northeast, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Cuba, Mexico Gulf, Uruguay

    Panicum gouinii E.Fourn. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Clayton, W.D. [4443], Brazil K001101842
    Clayton, W.D. [4687], Brazil K001101843
    Clayton, W.D. [4401], Brazil K001101849
    Hatschbach, G. [46653], Brazil K001101844
    Hatschbach, G. [476554], Brazil K001101848
    Dusén, P. [14574], Brazil K001101845
    Imaguire, N. [1211], Brazil K001101846
    Reis, A. [44], Brazil K001101847

    First published in Mexic. Pl. 2: 28 (1886)

    Accepted by

    • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
    • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.

    Not accepted by

    • Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras. [Cited as Panicum repens.]

    Literature

    Kew Backbone Distributions
    • Forzza, R.C. & al. (2013). Lista de Espécies da Flora do Brasil http://floradobrasil.jbrj.gov.br/2010/.
    • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
    • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348.

    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