1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum racemosum (P.Beauv.) Spreng.

        This species is accepted, and its native range is E. & S. Brazil to S. South America.

    [GB]
    Habit
    Perennial. Cataphylls evident. Rhizomes elongated. Culms 45-55 cm long; 1.4-3 mm diam. Culm-nodes brown; bearded. Leaf-sheaths hispid; with reflexed hairs. Ligule a fringe of hairs; 1.5-2.5 mm long. Leaf-blades aciculate; convolute; 23-43 cm long; 0.6-3.5 mm wide.
    Inflorescences
    Inflorescence a panicle. Panicle contracted; linear; 10.5-25 cm long; contracted about primary branches. Primary panicle branches appressed; simple; bearing spikelets almost to the base. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; 5-8 mm long; 3-5 mm wide; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; 5-8 mm long; 3-5 mm wide; falling entire.
    Glume
    Glumes similar; reaching apex of florets; thinner than fertile lemma. Lower glume obovate; 0.66-0.75 length of spikelet; membranous; without keels; 5 -veined. Lower glume surface villous. Lower glume apex acute. Upper glume ovate; 1 length of spikelet; membranous; without keels; 9 -veined. Upper glume surface villous. Upper glume apex obtuse.
    Florets
    Basal sterile florets male; with palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; 9 -veined; villous; obtuse. Fertile lemma oblong; dorsally compressed; 5-8 mm long; indurate; pallid; without keel. Lemma margins involute; pilose; hairy below. Lemma apex obtuse. Palea involute; indurate.
    Distribution
    Australasia: Australia. South America: Brazil and southern South America.
    Reference
    Paniceae. Fl Cat.

    Images

    Distribution

    Native to:

    Argentina Northeast, Brazil Northeast, Brazil South, Brazil Southeast, Chile Central, Chile South, Uruguay

    Panicum racemosum (P.Beauv.) Spreng. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Hatschbach, G. [27230], Brazil K001101985
    Chase, A. [9982], Brazil K001101986
    Chase, A. [9982], Brazil K001101987
    Sellow [s.n.], Brazil K001101983
    Araujo, D. [4118], Brazil K001101984
    Glaziou, A. [1628], Brazil K001101982

    First published in Syst. Veg. 1: 313 (1824)

    Accepted by

    • 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.

    Literature

    Kew Backbone Distributions
    • Forzza, R.C. & al. (2013). Lista de Espécies da Flora do Brasil http://floradobrasil.jbrj.gov.br/2010/.
    • 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