1. Family: Poaceae Barnhart
    1. Genus: Eleusine Gaertn.
      1. Eleusine tristachya (Lam.) Lam.

        This species is accepted, and its native range is Brazil to S. 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
    Naturalizada y adventicia en Colombia; Alt. 0 - 500 m.; Llanura del Caribe.
    Habit
    Hierba
    Conservation
    No Evaluada
    [GB]
    Habit
    Perennial; short-lived; caespitose. Culms geniculately ascending, or decumbent; slender; 10-45 cm long. Culm-internodes elliptical in section. Leaves mostly basal. Leaf-sheaths keeled; outer margin glabrous. Ligule a ciliolate membrane. Leaf-blades 6-25 cm long; 1-4 mm wide.
    Inflorescences
    Inflorescence composed of racemes. Racemes 2-3; digitate; linear, or oblong; unilateral; 1-4 cm long; 10-16 mm wide. Rhachis broadly winged; with rounded midrib. Spikelet packing broadside to rhachis. Spikelets appressed; solitary. Fertile spikelets sessile.
    Spikelets
    Spikelets comprising 6-13 fertile florets; with diminished florets at the apex. Spikelets ovate; laterally compressed; 5-9 mm long; 4-6 mm wide; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 6-13 fertile florets; with diminished florets at the apex. Spikelets ovate; laterally compressed; 5-9 mm long; 4-6 mm wide; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; similar; shorter than spikelet; similar to fertile lemma in texture. Lower glume lanceolate; 1.5-2 mm long; 0.5 length of upper glume; membranous; 1-keeled; 1-3 -veined. Lower glume apex acute. Upper glume elliptic; 3-4 mm long; 0.7-0.8 length of adjacent fertile lemma; membranous; 1-keeled; 5-7 -veined. Upper glume apex acute.
    Florets
    Fertile lemma ovate; 4-5 mm long; membranous; keeled; 3 -veined (excluding subsidiaries). Lemma midvein with contiguous subsidiary veins (3-veined). Lemma apex acute. Palea 0.66 length of lemma; 2 -veined. Apical sterile florets resembling fertile though underdeveloped.
    Flowers
    Lodicules 2; cuneate; fleshy.
    Fruits
    Caryopsis with free soft pericarp; orbicular; isodiametric; trigonous; concealed by floret; 2 mm long; dark brown; rugose. Embryo 0.3-0.4 length of caryopsis. Hilum punctiform.
    Distribution
    Europe: northern, central, southwestern, and southeastern. Africa: Macaronesia and south. Asia-temperate: Caucasus. Australasia: Australia and New Zealand. South America: western South America, Brazil, and southern South America.
    Reference
    Eragrostideae. Fl Pat.

    Images

    Distribution

    Native to:

    Argentina Northeast, Argentina Northwest, Bolivia, Brazil Northeast, Brazil South, Brazil Southeast, Chile Central, Chile South, Juan Fernández Is., Paraguay, Uruguay

    Introduced into:

    Alabama, Austria, Azores, California, Canary Is., Cape Provinces, Chile North, Colombia, Corse, Czechoslovakia, France, Free State, Hungary, Illinois, Italy, Lesotho, Madeira, Mexico Central, Missouri, Nevada, New Jersey, New South Wales, New York, New Zealand North, Northern Provinces, Oregon, Queensland, South Australia, Spain, Transcaucasus, Victoria, Virginia

    Eleusine tristachya (Lam.) Lam. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Bourgeau, E. [s.n.] K000907233
    Gaudin, C.T. [s.n.] K000907232

    First published in Tabl. Encycl. 1: 203 (1792)

    Accepted by

    • Wallnöfer, B. (2014). Über die Verbreitung von Eleusine indica und E. tristachya (Gramineae) in Österreich Annalen des Naturhistorischen Museums in Wien, B 116: 181-190.
    • Hadinec, J. & Lustyk, P. (eds.) (2014). Additamenta ad floram Reipublicae Bohemicae. XII Zprávy Ceské Botanické Spolecnosti 49: 73-206.
    • Mohlenbrock, R.H. (2014). Vascular Flora of Illinois. A Field Guide, ed. 4: 1-536. Southern Illinois University Press, Carbondale.
    • Jeanmonod, D. & Schlüssel, A. (éd.) (2012). Notes et contributions à la flore de Corse, XXIV Candollea 67: 293-321.
    • 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.
    • Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
    • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348.
    • 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.
    • Takhtajan, A.L. (ed.) (2006). Conspectus Florae Caucasi 2: 1-466. Editio Universitatis Petropolitanae.
    • Mallett, K. (ed.) (2005). Flora of Australia 44B: 1-486. Australian Government Publishing Service, Canberra.
    • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.
    • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa: an annotated checklist. Strelitzia 14.: i-vi, 1-1231. National Botanical Institute, Pretoria.
    • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.
    • Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.

    Literature

    Kew Backbone Distributions
    • Wallnöfer, B. (2014). Über die Verbreitung von Eleusine indica und E. tristachya (Gramineae) in Österreich Annalen des Naturhistorischen Museums in Wien, B 116: 181-190.
    • Hadinec, J. & Lustyk, P. (eds.) (2014). Additamenta ad floram Reipublicae Bohemicae. XII Zprávy Ceské Botanické Spolecnosti 49: 73-206.
    • Mohlenbrock, R.H. (2014). Vascular Flora of Illinois. A Field Guide, ed. 4: 1-536. Southern Illinois University Press, Carbondale.
    • Forzza, R.C. & al. (2013). Lista de Espécies da Flora do Brasil http://floradobrasil.jbrj.gov.br/2010/.
    • Jeanmonod, D. & Schlüssel, A. (éd.) (2012). Notes et contributions à la flore de Corse, XXIV Candollea 67: 293-321.
    • 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.
    • Dobignard, D. & Chatelain, C. (2010). Index synonymique de la flore d'Afrique du nord 1: 1-455. Éditions des conservatoire et jardin botaniques, Genève.
    • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348.
    • 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.
    • Takhtajan, A.L. (ed.) (2006). Conspectus Florae Caucasi 2: 1-466. Editio Universitatis Petropolitanae.
    • Mallett, K. (ed.) (2005). Flora of Australia 44B: 1-486. Australian Government Publishing Service, Canberra.
    • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.
    • Germishuizen, G. & Meyer, N.L. (eds.) (2003). Plants of Southern Africa: an annotated checklist. Strelitzia 14.: i-vi, 1-1231. National Botanical Institute, Pretoria.
    • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.
    • Tutin, T.G. & al. (eds.) (1980). Flora Europaea 5: 1-452. Cambridge University Press.

    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 2020. 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 2020. 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