1. Family: Poaceae Barnhart
    1. Genus: Panicum L.
      1. Panicum aciculare Desv.

        This species is accepted, and its native range is Central & E. U.S.A. to N. South America.

    [GB]
    Habit
    Perennial; caespitose. Butt sheaths villous. Culms 30-75 cm long. Culm-internodes distally glabrous to pilose. Culm-nodes glabrous, or pubescent. Lateral branches sparse, or fastigiate. Leaves basal and cauline; heterophyllous with a basal winter rosette. Leaf-sheaths glabrous on surface, or pilose; outer margin glabrous, or hairy. Leaf-sheath oral hairs lacking, or ciliate. Ligule a fringe of hairs, or absent; 0-1 mm long. Leaf-blades ascending; lanceolate; tapering towards tip; 6-15 cm long; 2-6 mm wide; 5-7 mm wide in winter rosette. Leaf-blade surface glabrous to pilose. Leaf-blade margins glabrous, or ciliate; hairy at base. Leaf-blade apex attenuate.
    Inflorescences
    Inflorescence a panicle. Panicle open; ovate; 4-10 cm long; bearing few spikelets. Primary panicle branches spreading, or reflexed. Spikelets appressed; solitary. Fertile spikelets pedicelled.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic, or obovate; with acute base; dorsally compressed; compressed slightly; obtuse; 2-2.3 mm long; falling entire.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic, or obovate; with acute base; dorsally compressed; compressed slightly; obtuse; 2-2.3 mm long; falling entire.
    Glume
    Glumes dissimilar; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 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; 7 -veined. Upper glume surface pubescent; with tubercle-based hairs. 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; pubescent; with tubercle-based hairs; obtuse. Fertile lemma oblong; dorsally compressed; 2-2.8 mm long; indurate; without keel. Lemma margins involute. Lemma apex obtuse. Palea involute; indurate.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    North America: north-central USA, northeast USA, south-central USA, southeast USA, and Mexico. South America: Mesoamericana, Caribbean, and northern 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 - 2500 m.; Andes.
    Habit
    Hierba
    Conservation
    No Evaluada

    Images

    Distribution

    Native to:

    Alabama, Arkansas, Bahamas, Belize, Colombia, Cuba, Delaware, District of Columbia, Dominican Republic, El Salvador, Florida, Georgia, Guatemala, Haiti, Honduras, Illinois, Indiana, Jamaica, Kentucky, Louisiana, Maryland, Mexico Gulf, Mexico Northeast, Mexico Southeast, Mexico Southwest, Mississippi, New Jersey, New York, Nicaragua, North Carolina, Oklahoma, Pennsylvania, Puerto Rico, South Carolina, Tennessee, Texas, Venezuela, Virginia, West Virginia

    Panicum aciculare Desv. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Wright, C. [3453], Cuba K000309173
    Wright, C. [3454], Cuba K000309174
    Wright, C. [16], Cuba K000309175

    First published in J.B.A.M.de Lamarck, Encycl., Suppl. 4: 274 (1816)

    Accepted by

    • Mohlenbrock, R.H. (2014). Vascular Flora of Illinois. A Field Guide, ed. 4: 1-536. Southern Illinois University Press, Carbondale.
    • 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.

    Literature

    Kew Backbone Distributions
    • Mohlenbrock, R.H. (2014). Vascular Flora of Illinois. A Field Guide, ed. 4: 1-536. Southern Illinois University Press, Carbondale.
    • 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.
    • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.
    • 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

    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