1. Family: Poaceae Barnhart
    1. Genus: Cenchrus L.
      1. Cenchrus peruvianus (Trin.) Morrone

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

    [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 - 3000 m.; Andes, Llanura del Caribe, Orinoquia, Sierra Nevada de Santa Marta, Valle del Cauca, Valle del Magdalena.
    Habit
    Hierba
    Conservation
    No Evaluada
    [GB]
    Habit
    Perennial. Culms robust; 150-300 cm long. Ligule a fringe of hairs. Leaf-blades linear, or lanceolate; 30-60 cm long; 15-50 mm wide. Leaf-blade surface scabrous; rough adaxially.
    Inflorescences
    Inflorescence a panicle. Peduncle pubescent above. Panicle spiciform; linear; 15-25 cm long; 0.3-0.5 cm wide. Primary panicle branches accrescent to a central axis; with lateral stumps on axis. Panicle axis with rounded ribs; puberulous; bearing deciduous spikelet clusters. Spikelets subtended by an involucre. Fertile spikelets sessile; 1 in the cluster. Involucre composed of bristles; 20-35 mm long; base truncate. Involucral bristles deciduous with the fertile spikelets; numerous; with longest bristle scarcely emergent; terete; flexible; glabrous.
    Spikelets
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 3.7-4.3 mm long; falling entire; deciduous with accessory branch structures.
    Fertile
    Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets lanceolate; dorsally compressed; 3.7-4.3 mm long; falling entire; deciduous with accessory branch structures.
    Glume
    Glumes shorter than spikelet, or reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 0.25 length of spikelet; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume ovate; 0.5 length of spikelet; membranous; without keels; 1 -veined. Upper glume lateral veins absent. Upper glume apex acute.
    Florets
    Basal sterile florets barren; with palea. Lemma of lower sterile floret oblong; 1 length of spikelet; membranous; 5 -veined; acute. Fertile lemma lanceolate; 3.7-4.2 mm long; coriaceous; without keel. Lemma margins flat. Lemma apex acute. Palea 1 length of lemma; coriaceous.
    Flowers
    Lodicules absent. Anthers 3.
    Fruits
    Caryopsis with adherent pericarp.
    Distribution
    South America: northern South America and western South America.
    Reference
    Paniceae. Tovar 1994.

    Images

    Distribution

    Native to:

    Colombia, Ecuador, Peru, Venezuela

    Cenchrus peruvianus (Trin.) Morrone appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Spruce, R. [5937], Ecuador Pennisetum peruvianum K000201720
    Spruce, R. [s.n.], Ecuador Pennisetum peruvianum K000201721

    First published in Ann. Bot. (Oxford) 106: 128 (2010)

    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.
    • 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.
    • 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