1. Family: Poaceae Barnhart
    1. Genus: Cenchrus L.
      1. Cenchrus preslii (Kunth) ined.

        This species is accepted, and its native range is Mexico to Venezuela and W. South America.

    [GB]
    Habit
    Perennial; caespitose. Culms erect, or geniculately ascending; robust; 600-800 cm long; 10-20 mm diam.; rooting from lower nodes. Culm-internodes thin-walled; distally glabrous. Lateral branches ample. Leaf-sheaths glabrous on surface, or pilose. Ligule a ciliate membrane; 1-4 mm long. Leaf-blade base with a false petiole. Leaf-blades lanceolate; 20-40 cm long; 20-50 mm wide.
    Inflorescences
    Inflorescence a panicle; terminal and axillary. Panicle spiciform; linear, or oblong; flexuous; 6-10 cm long; 1-2 cm wide. Primary panicle branches accrescent to a central axis; with lateral stumps on axis. Panicle axis angular; scabrous; bearing deciduous spikelet clusters. Spikelets subtended by an involucre. Fertile spikelets sessile; 1 in the cluster. Involucre composed of bristles; oblong; base obtuse; base 0.3 mm long; base pubescent. Involucral bristles deciduous with the fertile spikelets; numerous; with an outer whorl of thinner bristles; 40 in principal whorl; inner bristles longer than outer; 16-18 mm long; terete; flexible; antrorsely scaberulous; glabrous.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; acute; 3.9-5.2 mm long; falling entire; deciduous with accessory branch structures.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets ovate; dorsally compressed; acute; 3.9-5.2 mm long; falling entire; deciduous with accessory branch structures.
    Glume
    Glumes shorter than spikelet; thinner than fertile lemma. Lower glume ovate, or orbicular; 0.4 mm long; 0.1 length of spikelet; 0 -veined. Lower glume lateral veins absent. Lower glume apex obtuse. Upper glume ovate; 1-2 mm long; 0.15-0.4 length of spikelet; membranous; without keels; 1 -veined. Upper glume lateral veins absent. Upper glume apex acute, or caudate.
    Florets
    Basal sterile florets male; with palea. Lemma of lower sterile floret ovate; 1 length of spikelet; membranous; 5-6 -veined; caudate. Palea of lower sterile floret 0.66 length of lemma. Fertile lemma ovate; 3-4.2 mm long; chartaceous; without keel. Lemma surface scaberulous. Lemma margins flat. Lemma apex acute. Palea chartaceous.
    Flowers
    Lodicules absent. Anthers 3; 1.5-2 mm long.
    Distribution
    North America: Mexico. South America: Mesoamericana, northern South America, western South America, and southern South America.
    Reference
    Paniceae. Fl Meso-Amer 2004.
    [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 - 2500 m.; Amazonia, Andes, Guayana y Serranía de La Macarena, Llanura del Caribe, Orinoquia, Pacífico, Sierra Nevada de Santa Marta, Valle del Cauca, Valle del Magdalena.
    Habit
    Hierba
    Conservation
    No Evaluada

    Images

    Distribution

    Native to:

    Colombia, Costa Rica, Ecuador, El Salvador, Guatemala, Honduras, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Southeast, Mexico Southwest, Panamá, Peru, Venezuela

    Cenchrus preslii (Kunth) ined. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 1982 Galeotti, H. [5680], Mexico Pennisetum bambusiforme K000643104
    Liebmann [338], Mexico Pennisetum bambusiforme K000643105
    Liebmann [38], Mexico Pennisetum bambusiforme K000643106
    Liebmann [s.n.], Mexico Pennisetum bambusiforme K000643107

    Literature

    Kew Backbone Distributions
    • 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.
    • 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