1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum nervosum Lam.

        This species is accepted, and its native range is Colombia to N. South America and Brazil.

    [GB]
    Habit
    Perennial; caespitose. Culms erect; robust; 40-200 cm long. Culm-internodes solid; smooth. Lateral branches lacking. Leaf-sheaths longer than adjacent culm internode; hispid; with tubercle-based hairs; outer margin hairy. Ligule a fringe of hairs; 1.5-2 mm long. Collar glabrous, or pubescent. Leaf-blade base amplexicaul. Leaf-blades lanceolate; 11-18 cm long; 8-15 mm wide. Leaf-blade surface glabrous, or pubescent; sparsely hairy.
    Inflorescences
    Inflorescence a panicle. Peduncle 10-20 cm long. Panicle open; ovate; 6-18 cm long. Primary panicle branches ascending, or spreading. Panicle branches smooth, or scabrous; glabrous. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets orbicular; globose; dorsally compressed; 1.1-1.7 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets orbicular; globose; dorsally compressed; 1.1-1.7 mm long; falling entire.
    Glume
    Glumes shorter than spikelet; thinner than fertile lemma. Lower glume ovate; 0.8-1.4 mm long; 0.75 length of spikelet; membranous; without keels; 3 -veined. Lower glume apex acute. Upper glume ovate; 0.9 length of spikelet; membranous; without keels; 5-7 -veined. Upper glume surface wrinkled. 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; 3-5 -veined; acute. Fertile lemma elliptic, or ovate; dorsally compressed; 0.9-1.4 mm long; indurate; pallid; without keel. Lemma surface striate. Lemma margins involute. Lemma apex acute. Palea involute; indurate.
    Flowers
    Anthers 0.6 mm long.
    Distribution
    South America: Caribbean, northern South America, and Brazil.
    Reference
    Paniceae. Fl Guiana 1995.
    [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.; Guayana y Serranía de La Macarena.
    Habit
    Hierba
    Conservation
    No Evaluada

    Images

    Distribution

    Native to:

    Brazil North, Brazil Northeast, Brazil Southeast, Brazil West-Central, Colombia, French Guiana, Guyana, Suriname, Venezuela

    Panicum nervosum Lam. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1962 Pires, J.M. [50351], Brazil K001102134
    Cavalcante, P. [2560], Brazil K001102132
    Spruce [640], Brazil K001102131
    Spruce [640], Brazil K001102133
    Janssen, A. [653], Brazil K001102135

    First published in Encycl. 4: 747 (1798)

    Accepted by

    • Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia Darwiniana 49: 139-247.
    • 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.
    • Boggan, J. Funck, V. & Kelloff, C. (1997). Checklist of the Plants of the Guianas (Guyana, Surinam, Franch Guiana) ed. 2: 1-238. University of Guyana, Georgetown.

    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.
    • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
    • Boggan, J. Funck, V. & Kelloff, C. (1997). Checklist of the Plants of the Guianas (Guyana, Surinam, Franch Guiana) ed. 2: 1-238. University of Guyana, Georgetown.

    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