1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum pilosum Sw.

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

    [GB]
    Habit
    Perennial. Culms decumbent; 20-100 cm long; rooting from lower nodes. Culm-internodes channelled. Culm-nodes glabrous, or bearded. Leaf-sheaths loose (DIVERGENT FROM INTERNODES). Ligule a fringe of hairs, or absent. Leaf-blade base broadly rounded. Leaf-blades linear, or lanceolate; 4-30 cm long; 7-30 mm wide. Leaf-blade surface pubescent, or pilose. Leaf-blade apex acute, or acuminate.
    Inflorescences
    Inflorescence composed of racemes. Racemes 10-20; borne along a central axis; spreading; unilateral; 1-3(-5) cm long. Central inflorescence axis 5-20 cm long. Rhachis angular; ciliate on margins. Spikelet packing crowded. Spikelets in pairs, or in threes. Fertile spikelets pedicelled; 2-3 in the cluster. Pedicels unequal.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; acute; 1-1.5 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; acute; 1-1.5 mm long; falling entire.
    Glume
    Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 0.33-0.5 length of spikelet; membranous; 1-keeled; 1-3 -veined. Lower glume apex acute. Upper glume ovate; 1 length of spikelet; membranous; 1-keeled; 5 -veined. Upper glume apex acute.
    Florets
    Basal sterile florets barren; with palea. Lemma of lower sterile floret similar to upper glume; ovate; 1 length of spikelet; membranous; 3-5 -veined; acute. Fertile lemma oblong; dorsally compressed; 1-1.5 mm long; indurate; pallid; shiny; without keel. Lemma margins involute. Lemma apex obtuse. Palea involute; indurate.
    Distribution
    North America: Mexico. South America: Mesoamericana, Caribbean, northern South America, western South America, Brazil, and southern South America.
    Reference
    Paniceae. SAR 1999.
    [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, Guayana y Serranía de La Macarena, Islas Caribeñas, Llanura del Caribe, Orinoquia, Pacífico, Sierra Nevada de Santa Marta, Valle del Cauca, Valle del Magdalena.
    Habit
    Hierba
    Conservation
    Preocupación Menor

    Images

    Distribution

    Native to:

    Belize, Bolivia, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, French Guiana, Guatemala, Guyana, Haiti, Honduras, Jamaica, Leeward Is., Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Southeast, Mexico Southwest, Nicaragua, Panamá, Peru, Suriname, Trinidad-Tobago, Venezuela, Windward Is.

    Panicum pilosum Sw. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 2002 Estrada, A. [3083], Costa Rica K000496268
    Jan 1, 1973 Irwin, H.S. [24209], Brazil K001078447
    Jan 1, 1973 Prance, G.T. [4321], Brazil K001078441
    Jan 1, 1973 Prance, G.T. [2859], Brazil K001078436
    Oct 20, 1949 Vélez, I. [3382], St. Vincent & the Grenadines K000496297
    Aug 1, 1933 Aguilar, M. [8], Guatemala K000496279
    Jul 14, 1927 Orcutt, C.R. [2177], Jamaica K000496292
    Jun 27, 1927 Orcutt, C.R. [1973], Jamaica K000496291
    Jan 1, 1913 Dusén, P. [13543], Brazil K001078434
    Philcox, D. [3670], Brazil K001078446
    Maggs [237], Trinidad & Tobago K000496294
    Trail, J.W.H. [1248], Brazil K001078444
    Clayton, W.D. [4946], Brazil K001078442
    Raynal, A. [15608], Trinidad & Tobago K000496295
    Pohl, R.W. [13154], Costa Rica K000496269
    Pohl, R.W. [12911], Costa Rica K000496270
    Pohl, R.W. [12701], Nicaragua K000496272
    Pohl, R.W. [12256], Nicaragua K000496273
    Pohl, R.W. [13969], Honduras K000496280
    Pohl, R.W. [12094], Honduras K000496281
    Pohl, R.W. [12081], Honduras K000496282
    Pereira, E. [13445], Paraná K000496300
    Spruce, R. [1235], Brazil K000309206
    Spruce, R. [1235], Brazil K000309207
    Box, H.E. [137], St.Kitts-Nevis K000496296
    Salzmann [s.n.], Bahia K000003729 Unknown type material
    Salzmann [s.n.], Bahia K000003730 Unknown type material
    Swallen, J.R. [3627], Brazil K001078437
    Duarte, A.P. [13037], Rio de Janeiro K000496298
    Rovirosa, J.N. [599], Mexico K000496276
    Glaziou, A.F.M. [4301], Brazil K000309205 isosyntype
    Smith, L.B. [s.n.], Brazil K001078435
    Smith, L.B. [6005], Brazil K001078440
    Ekman, E.L. [11183], Dominican Republic K000496286
    Ekman, E.L. [11183], Dominican Republic K000496287
    Ekman, E.L. [11183], Dominican Republic K000496288
    Harris, W. [11524], Jamaica K000496290
    Harris, W. [11524], Jamaica K000496293
    Burchell, W.J. [9340], Brazil K001078439
    Gentle, P.H. [1596], Belize K000496267
    Rose Innes, R. [26], Belize K000496265
    Rose Innes, R. [88], Belize K000496266
    Hitchcock, A.S. [8387], Panama K000309298 isotype
    Hitchcock, A.S. [60], Mexico K000496275
    Wilson, P. [9444], Cuba K000496285
    Lucas, E.J. [961], Brazil K001078443
    Tuerckheim, H.v. [8795], Guatemala K000496278
    Glaziou, A.F.M. [4300], Brazil K001078433
    [Eubray] [77], Mexico K000496277
    Dudey, D.A. [659], Nicaragua K000496271
    Seymour, F.C. [716], Nicaragua K000496274
    Emmerich, C. [18699], Minas Gerais K000496299
    Mexia, Y.E.J. [4388], Brazil K001078438
    s.coll. [708], Brazil K001078445
    Trail, J.W.H. [1247], Brazil Panicum milleflorum K001078426
    Ratter, J.A. [4154], Brazil Panicum milleflorum K001078425
    Sellow [s.n.], Brazil Panicum milleflorum K001078427

    First published in Prodr. Veg. Ind. Occ.: 22 (1788)

    Accepted by

    • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
    • 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.
    • Jørgensen, P.M. & León-Yánez, S. (eds.) (1999). Catalogue of the Vascular Plants of Ecuador Monographs in Systematic Botany from the Missouri Botanical Garden 75: i-viii, 1-1181.
    • 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/.
    • Acevedo-Rodríguez, P. & Strong, M.T. (2012). Catalogue of seed plants of the West Indies Smithsonian Contributions to Botany 98: 1-1192.
    • 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.
    • Jørgensen, P.M. & León-Yánez, S. (eds.) (1999). Catalogue of the Vascular Plants of Ecuador Monographs in Systematic Botany from the Missouri Botanical Garden 75: i-viii, 1-1181.
    • 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

    Neotropikey
    Milliken, W., Klitgard, B. and Baracat, A. (2009 onwards), Neotropikey - Interactive key and information resources for flowering plants of the Neotropics.
    http://creativecommons.org/licenses/by/3.0