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

        This species is accepted, and its native range is S. Tropical America.

    [CPLC]

    Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. http://catalogoplantasdecolombia.unal.edu.co

    Distribution
    Nativa en Colombia; Alt. 0 - 500 m.; Orinoquia.
    Habit
    Hierba
    Conservation
    No Evaluada
    [GB]
    Habit
    Perennial. Rhizomes short. Culms robust; 150-200 cm long. Culm-internodes terete; thin-walled. Lateral branches ample. Leaf-sheaths 8-15 cm long; outer margin hairy. Ligule a ciliate membrane; 1.5 mm long. Leaf-blades involute, or convolute; 25-35 cm long; 7 mm wide. Leaf-blade surface glabrous to pubescent; sparsely hairy. Leaf-blade margins ciliate.
    Inflorescences
    Inflorescence a panicle. Panicle open; pyramidal; nodding; 30-40 cm long. Primary panicle branches profusely divided. Spikelets solitary. Fertile spikelets pedicelled. Pedicels ciliate; hairy at tip.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; 2.3-3 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; 2.3-3 mm long; falling entire.
    Glume
    Glumes reaching apex of florets; thinner than fertile lemma; gaping. Lower glume ovate; 1.5-2.1 mm long; 0.5 length of spikelet; membranous; without keels; 5 -veined. Lower glume apex acute. Upper glume ovate; 1 length of spikelet; membranous; without keels; 5-7 -veined. Upper glume apex acute.
    Florets
    Basal sterile florets male; with palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; 5 -veined; acute. Fertile lemma elliptic; dorsally compressed; 1.5-2 mm long; 1.5 mm wide; indurate; pallid; shiny; without keel; 5 -veined. Lemma lateral veins distinct. Lemma margins involute. Palea involute; indurate.
    Flowers
    Anthers 1 mm long.
    Fruits
    Caryopsis with adherent pericarp; ovoid; yellow. Hilum punctiform.
    Distribution
    South America: northern South America, western South America, Brazil, and southern South America.
    Reference
    Paniceae. Fl Entre Rios 1995.
    Diagnostic
    Margins of lower palea inturned.

    Images

    Distribution

    Native to:

    Argentina Northeast, Bolivia, Brazil North, Brazil South, Brazil Southeast, Brazil West-Central, Colombia, Paraguay, Uruguay, Venezuela

    Panicum tricholaenoides Steud. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Riedel, L. [s.n.], Brazil K001078458
    Burchell, W.J. [8591], Brazil K001078459
    Glaziou, A.F.M. [20147], Brazil K001078461
    Glaziou, A.F.M. [22423], Brazil K001078462
    s.coll. [s.n.], Brazil K001078460

    First published in Syn. Pl. Glumac. 1: 68 (1853)

    Accepted by

    • Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia Darwiniana 49: 139-247.
    • 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.
    • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. 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/.
    • Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia Darwiniana 49: 139-247.
    • 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.
    • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
    • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.

    Sources

    Catálogo de Plantas y Líquenes de Colombia
    http://creativecommons.org/licenses/by-nc-sa/3.0

    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