1. Family: Onagraceae Juss.
    1. Ludwigia L.

      1. This genus is accepted, and is native to Europe, Asia-Tropical, Africa, Pacific, Southern America, Northern America, Northern Territory and Asia-Temperate..

    [FZ]

    Onagraceae, P. H. Raven. Flora Zambesiaca 4. 1978

    Habit
    The reasons for uniting Ludwigia, Jussiaea and Isnardia are reviewed in Reinwardtia 6: 327–427 (1963).
    [FTEA]

    Onagraceae, J. P. M. Brenan. Flora of Tropical East Africa. 1953

    Habit
    Mostly annual or perennial herbs, rarely becoming shrubby, or very rarely even a small tree
    Leaves
    Leaves alternate, entire in the African species
    Stipules
    Stipules very small or none
    Flowers
    Flowers regular
    Calyx
    Sepals mostly 4–5, rarely 3–7, persistent after flowering
    Receptacle
    Receptacle not or hardly prolonged beyond the ovary
    Corolla
    Petals as many as sepals, in our species always yellow (in others sometimes white)
    Stamens
    Stamens as many as petals (Ludwigia L.) or twice as many (Jussiaea L., sens. strict.)
    Stigma
    Stigma capitate, subentire or lobulate
    Ovules
    Ovules uniseriate or pluriseriate in each cell of the 3–7-celled ovary
    Fruits
    Fruit a capsule, normally elongate, sometimes short, septicidally dehiscent with the valve-midribs later splitting, or with the pericarp irregularly breaking, sometimes very slowly so or apparently not
    Seeds
    Seeds without hairs, free or surrounded by endocarp; raphe sometimes much enlarged.

    Images

    Distribution

    Native to:

    Afghanistan, Alabama, Albania, Algeria, Andaman Is., Angola, Argentina Northeast, Argentina Northwest, Argentina South, Aruba, Assam, Austria, Bahamas, Bangladesh, Belgium, Belize, Benin, Bermuda, Bolivia, Borneo, Botswana, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Bulgaria, Burkina, Burundi, Cambodia, Cameroon, Cape Provinces, Cape Verde, Caprivi Strip, Cayman Is., Central African Repu, Central American Pac, Chad, Chile Central, Chile North, Chile South, China North-Central, China South-Central, Colombia, Comoros, Congo, Corse, Costa Rica, Cuba, Czechoslovakia, Dominican Republic, East Himalaya, Ecuador, Egypt, El Salvador, Equatorial Guinea, Eritrea, Ethiopia, Fiji, Florida, France, Free State, French Guiana, Gabon, Galápagos, Gambia, Germany, Ghana, Great Britain, Greece, Guatemala, Guinea, Guinea-Bissau, Gulf of Guinea Is., Guyana, Hainan, Haiti, Honduras, Hungary, Illinois, India, Inner Mongolia, Iran, Iraq, Italy, Ivory Coast, Jamaica, Japan, Jawa, Kentucky, Kenya, Khabarovsk, Korea, KwaZulu-Natal, Laos, Lebanon-Syria, Leeward Is., Lesotho, Lesser Sunda Is., Liberia, Libya, Madagascar, Malawi, Malaya, Mali, Manchuria, Mauritania, Mauritius, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Morocco, Mozambique, Myanmar, Namibia, Nepal, Netherlands, Netherlands Antilles, New Caledonia, New Guinea, New Mexico, Nicaragua, Nicobar Is., Niger, Nigeria, North Carolina, Northern Provinces, Northern Territory, Pakistan, Palestine, Panamá, Paraguay, Peru, Philippines, Poland, Portugal, Primorye, Puerto Rico, Rodrigues, Romania, Rwanda, Réunion, Sardegna, Saudi Arabia, Senegal, Seychelles, Sierra Leone, Sinai, Somalia, South Carolina, Spain, Sri Lanka, Sudan, Sumatera, Suriname, Swaziland, Switzerland, Tadzhikistan, Taiwan, Tanzania, Tennessee, Texas, Thailand, Togo, Transcaucasus, Trinidad-Tobago, Tunisia, Turkey, Turkey-in-Europe, Uganda, Ukraine, Uruguay, Uzbekistan, Venezuela, Venezuelan Antilles, Vermont, Vietnam, West Himalaya, Windward Is., Yemen, Yugoslavia, Zambia, Zaïre, Zimbabwe

    Extinct in:

    Socotra

    Introduced into:

    Cabinda, China Southeast, Christmas I., Cook Is., Delaware, Gilbert Is., Maryland, Nauru, Ogasawara-shoto, Samoa, Solomon Is., Tokelau-Manihiki, Tonga, Tuvalu, Wallis-Futuna Is.

    Ludwigia L. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Harley, R.M. [54665], Brazil K001077565
    Hunt, D.R. [6044], Brazil K001077568
    Leeuwenberg, A.J.M. [8692], Cameroon K000050359
    Leeuwenberg, A.J.M. [8690], Cameroon K000050360
    Hind, D.J.N. [H50478], Brazil K001077566
    Giulietti, A.M. [s.n.], Brazil K001077569
    Ganev, W. [3914], Brazil K001077567
    Guedes, M.L. [2953], Brazil K001077572
    Guedes, M.L. [PCD248], Brazil K001077571
    Sellow [161], Brazil K001077573
    Pires, J.M. [51211], Brazil K001077562
    Hamilton, W.D. [85], Brazil K001077563
    Hamilton, W.D. [132], Brazil K001077564
    Lombardi, J.A. [4809], Brazil K001077570

    First published in Sp. Pl.: 118 (1753)

    Literature

    Flora Zambesiaca
    • Gen. Pl. ed. 5: 55 (1754).
    • Sp. Pl. 1: 118 (1753)

    Sources

    Flora Zambesiaca
    Flora Zambesiaca
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Flora of Tropical East Africa
    Flora of Tropical East Africa
    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

    Kew Science Photographs
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

    Neotropikey
    Milliken, W., Klitgard, B. and Baracat, A. (2009 onwards), Neotropikey - Interactive key and information resources for flowering plants of the Neotropics.
    http://creativecommons.org/licenses/by/3.0