1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum sphaerocarpon Elliott

        This species is accepted, and its native range is SE. Canada to Ecuador, Cuba, SE. Brazil.

    [GB]
    Habit
    Perennial. Culms geniculately ascending, or decumbent; 20-80 cm long. Culm-nodes glabrous, or pubescent. Lateral branches sparse. Leaves basal and cauline; heterophyllous with a basal winter rosette. Leaf-sheaths glabrous on surface; outer margin hairy. Ligule a fringe of hairs, or absent; 0-0.7 mm long. Leaf-blade base cordate. Leaf-blades lanceolate; 3-6.5 cm long; 7-14 mm wide; light green. Leaf-blade surface glabrous. Leaf-blade margins tuberculate-ciliate; hairy at base.
    Inflorescences
    Inflorescence a panicle. Peduncle 4-13 cm long. Panicle open; ovate, or pyramidal; 8-15 cm long. Panicle axis glabrous. Panicle branches glabrous. Spikelets solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong, or orbicular, or obovate; with obtuse base; dorsally compressed; obtuse; 1.4-2 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong, or orbicular, or obovate; with obtuse base; dorsally compressed; obtuse; 1.4-2 mm long; falling entire.
    Glume
    Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 0.4-0.7 mm long; 0.2-0.33 length of spikelet; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume oblong; 1 length of spikelet; membranous; without keels; 5-7 -veined. Upper glume surface glabrous, or puberulous. Upper glume apex obtuse.
    Florets
    Basal sterile florets barren; with palea. Lemma of lower sterile floret similar to upper glume; oblong; 1 length of spikelet; membranous; 7 -veined; glabrous, or puberulous; obtuse. Fertile lemma oblong, or orbicular, or obovate; dorsally compressed; 1.4-2 mm long; indurate; without keel. Lemma margins involute. Lemma apex obtuse. Palea involute; indurate.
    Flowers
    Anthers 3; 0.4 mm long.
    Fruits
    Caryopsis with adherent pericarp; ellipsoid; 1 mm long.
    Distribution
    Australasia: New Zealand. North America: eastern Canada, north-central USA, northeast USA, south-central USA, southeast USA, and Mexico. South America: Mesoamericana, Caribbean, northern South America, and western South America.
    Reference
    Paniceae. Gr Texas 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. 1500 - 3000 m.; Andes.
    Habit
    Hierba
    Conservation
    No Evaluada

    Distribution

    Native to:

    Alabama, Arkansas, Belize, Brazil Southeast, Colombia, Connecticut, Costa Rica, Cuba, Delaware, District of Columbia, Ecuador, El Salvador, Florida, Georgia, Guatemala, Honduras, Illinois, Indiana, Kansas, Kentucky, Louisiana, Maine, Maryland, Masachusettes, Mexico Central, Mexico Gulf, Mexico Southeast, Mexico Southwest, Michigan, Mississippi, Missouri, New Hampshire, New Jersey, New York, Nicaragua, North Carolina, Ohio, Oklahoma, Ontario, Panamá, Pennsylvania, Rhode I., South Carolina, Tennessee, Texas, Venezuela, Vermont, Virginia, West Virginia

    Introduced into:

    New Zealand North

    Panicum sphaerocarpon Elliott appears in other Kew resources:

    First published in Sketch Bot. S. Carolina 1: 125 (1816)

    Accepted by

    • Edgar, E & Connor, H.E. (2010). Flora of New Zealand, ed. 2, 5: 1-650. R.E.Owen, Government Printer, Wellington.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • 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.

    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.
    • Edgar, E & Connor, H.E. (2010). Flora of New Zealand, ed. 2, 5: 1-650. R.E.Owen, Government Printer, Wellington.
    • Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela.
    • 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.
    • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.
    • Balick, M.J., Nee, M.H. & Atha, D.E. (2000). Checklist of the Vascular Plants of Belize with Common Names an Uses: 1-246. New York Botanic Garden Press, New York.
    • 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.
    • 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