1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum haenkeanum J.Presl

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

    [GB]
    Habit
    Perennial. Culms rambling; 100-200 cm long; 1 mm diam.; rooting from lower nodes. Culm-internodes distally pubescent. Culm-nodes glabrous. Lateral branches ample; arising from lower culm and mid culm. Leaf-sheaths pubescent. Ligule an eciliate membrane; 0.3-0.5 mm long. Collar bearded. Leaf-blades lanceolate; 3-10 cm long; 4-10 mm wide.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; 7-16 cm long. Spikelets spreading; solitary. Fertile spikelets pedicelled. Pedicels filiform; flexuous.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; acute; 2.4-2.6 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; acute; 2.4-2.6 mm long; falling entire.
    Glume
    Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; clasping; 2.2-2.3 mm long; 0.5 length of spikelet; membranous; without keels; 3 -veined. Lower glume apex acuminate. Upper glume ovate; 2.2-2.5 mm long; 1 length of spikelet; membranous; without keels; 5 -veined. Upper glume surface puberulous. Upper glume apex acute.
    Florets
    Basal sterile florets barren; without significant palea. Lemma of lower sterile floret similar to upper glume; ovate; 2.2-2.5 mm long; 1 length of spikelet; membranous; 5 -veined; puberulous; acute. Fertile lemma elliptic; dorsally compressed; 1.7 mm long; indurate; shiny; without keel. Lemma margins involute. Palea involute; indurate.
    Flowers
    Anthers 3; 0.9-1 mm long; brown.
    Distribution
    South America: Mesoamericana, 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 - 500 m.; Orinoquia.
    Habit
    Hierba
    Conservation
    No Evaluada

    Distribution

    Native to:

    Belize, Bolivia, Brazil Northeast, Brazil West-Central, Colombia, Costa Rica, Honduras, Mexico Gulf, Mexico Southeast, Nicaragua, Panamá, Venezuela

    Panicum haenkeanum J.Presl appears in other Kew resources:

    First published in C.B.Presl, Reliq. Haenk. 1: 304 (1830)

    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.
    • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.

    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.
    • Davidse, G. & al. (eds.) (1994). Flora Mesoamericana 6: 1-543. Universidad Nacional Autónoma de México, México, D.F.

    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

    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