1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum rudgei Roem. & Schult.

        This species is accepted, and its native range is SE. Mexico to S. Tropical America and Trinidad.

    [GB]
    Habit
    Perennial; caespitose; clumped densely. Culms erect, or geniculately ascending; 75-125 cm long; 1.5-3 mm diam. Culm-internodes distally pilose. Culm-nodes bearded. Lateral branches ample; arising from upper culm. Leaf-sheaths pilose. Ligule a ciliate membrane; 1.5-2 mm long. Leaf-blades 20-40 cm long; 8-14 mm wide; stiff. Leaf-blade surface pilose. Leaf-blade apex acuminate.
    Inflorescences
    Inflorescence a panicle; terminal and axillary. Axillary inflorescences intermingled with terminal. Panicle open; ovate; effuse; 30-40 cm long; 10-20 cm wide. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; acuminate; 3-3.4 mm long; falling entire. Rhachilla internodes elongated between glumes and elongated below proximal fertile floret. Rhachilla elongation 0.5 mm long.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; acuminate; 3-3.4 mm long; falling entire. Rhachilla internodes elongated between glumes and elongated below proximal fertile floret. Rhachilla elongation 0.5 mm long.
    Glume
    Glumes dissimilar; reaching apex of florets; thinner than fertile lemma; gaping. Lower glume ovate; 2.7-2.9 mm long; 0.75 length of spikelet; membranous; without keels; 3-5 -veined. Lower glume surface pubescent; hairy above. Lower glume apex acuminate. Upper glume ovate; 3-3.4 mm long; 1 length of spikelet; membranous; without keels; 5-7 -veined. Upper glume surface pubescent; hairy above. Upper glume apex acuminate.
    Florets
    Basal sterile florets male; with palea. Lemma of lower sterile floret similar to upper glume; ovate; 2.5 mm long; 1 length of spikelet; membranous; 7-9 -veined; pubescent; hairy above; acuminate. Fertile lemma elliptic; dorsally compressed; 1.7-1.9 mm long; indurate; shiny; without keel. Lemma margins involute. Palea involute; indurate.
    Flowers
    Anthers 3; 0.6-0.9 mm long; purple.
    Distribution
    North America: Mexico. South America: Mesoamericana, Caribbean, northern South America, western South America, and Brazil.
    Reference
    Paniceae. Fl Costa Rica 1994.
    [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 - 1500 m.; Amazonia, Andes, Orinoquia, Sierra Nevada de Santa Marta, Valle del Magdalena.
    Habit
    Hierba
    Conservation
    No Evaluada

    Images

    Distribution

    Native to:

    Belize, Bolivia, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Colombia, Costa Rica, French Guiana, Guatemala, Guyana, Honduras, Mexico Southeast, Nicaragua, Panamá, Peru, Suriname, Trinidad-Tobago, Venezuela

    Panicum rudgei Roem. & Schult. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Apr 24, 1981 Lowe, J. [3946], Brazil K001078471
    Jan 1, 1973 Irwin, H.S. [17302], Brazil K001078479
    Jan 1, 1973 Prance, G.T. [3386], Brazil K001078482
    Jan 1, 1973 Prance, G.T. [2474], Brazil K001078483
    Jan 1, 1968 Eiten, G. [3351], Brazil K001078473
    Jan 1, 1962 Pires, J.M. [50973], Brazil K001078484
    Brazil K000309186
    K000309189
    Harley, R.M. [17285], Bahia K000003754
    Hunt, D.R. [5714], Brazil K001078481
    Philcox, D. [3618], Brazil K001078480
    Ratter, J.A. [3195], Brazil K001078487
    Ratter, J.A. [2069], Brazil K001078474
    s.coll. [251] K000309188
    Souza, R. [10412], Brazil K001078475
    Brazil K000309187 Unknown type material
    Ule, E. [8015], Brazil K001078486
    Eiten, G. [8560], Brazil K001078494
    Lanna [460], Brazil K001078485
    Burchell, W.J. [5397], Brazil K001078495
    Burchell, W.J. [9421], Brazil K001078496
    Burchell, W.J. [2679], Brazil K001078497
    Sellow [s.n.], Brazil K001078500
    Liebmann? [s.n.], Bahia K000309185
    Argent, G.C.G. [6326], Brazil K001078476
    Argent, G.C.G. [6690], Brazil K001078477
    Argent, G.C.G. [6646], Brazil K001078478
    Leprieur, M. [s.n.], French Guiana K001086161
    Glaziou, A.F.M. [7972], Brazil K001078498
    Gaudichaud-Beaupre, C. [s.n.], Brazil K001078499
    Mexia, Y.E.J. [5921], Brazil K001078489
    Mexia, Y.E.J. [5921], Brazil K001078490
    Mexia, Y.E.J. [5975], Brazil K001078491
    Hatschbach, G.G. [34612], Brazil K001078469
    Hatschbach, G.G. [31868], Brazil K001078470
    s.coll. [639], Brazil K001078493
    s.coll. [s.n.], Brazil K001078501
    Spruce, R. [1329], Brazil K001078492
    Spruce, R. [93], Brazil K001078488

    First published in Syst. Veg., ed. 15 bis 2: 444 (1817)

    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.
    • Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
    • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. 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.
    • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.
    • Brako, L. & Zarucchi, J.L. (1993). Catalogue of the Flowering Plants and Gymnosperms of Peru Monographs in Systematic Botany from the Missouri Botanical Garden 45: i-xl, 1-1286.

    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.
    • Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras.
    • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
    • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. 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.
    • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.
    • Brako, L. & Zarucchi, J.L. (1993). Catalogue of the Flowering Plants and Gymnosperms of Peru Monographs in Systematic Botany from the Missouri Botanical Garden 45: i-xl, 1-1286.

    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