1. Family: Asteraceae Bercht. & J.Presl
    1. Genus: Lactuca L.
      1. Lactuca sativa L.

        This species is accepted, and its native range is Cultigen from W. Asia.

    [FTEA]

    Compositae, H. Beentje, C. Jeffrey & D.J.N. Hind. Flora of Tropical East Africa. 2005

    Vernacular
    Lettuce
    Note
    Is widely cultivated as a leaf vegetable, though I have seen no herbarium specimens from our area.
    Habit
    Lettuce is annual or biennial
    Leaves
    Rosette of sessile, amplexicaul leaves
    Inflorescences
    The yellow florets are held in few-flowered capitula, in large paniculate inflorescences
    Bracts
    The involucre is 9–12 mm long
    Seeds
    The pappus 3 mm long.

    Images

    Distribution

    Native to:

    Iraq

    Introduced into:

    Alabama, Antipodean Is., Austria, Baleares, Baltic States, Bolivia, Bulgaria, Burkina, California, Cameroon, Canary Is., Cape Provinces, Cape Verde, Caroline Is., Central European Rus, Chad, Colombia, Connecticut, Corse, Costa Rica, Cuba, Cyprus, Czechoslovakia, Delaware, District of Columbia, Dominican Republic, East European Russia, East Himalaya, Ecuador, Egypt, Fiji, Finland, France, Free State, Germany, Great Britain, Haiti, Hawaii, Hungary, Idaho, Illinois, Indiana, Ireland, Italy, Jamaica, Jawa, Kazakhstan, Korea, Krym, Lebanon-Syria, Madeira, Maine, Marianas, Marshall Is., Masachusettes, Mauritania, Mauritius, Michigan, Missouri, Myanmar, Nepal, Netherlands, New Guinea, New Hampshire, New Jersey, New Mexico, New York, Nicaragua, Niue, North Carolina, North Caucasus, North Dakota, North European Russi, Northwest European R, Ohio, Oklahoma, Oman, Ontario, Oregon, Pakistan, Pennsylvania, Philippines, Poland, Portugal, Puerto Rico, Rhode I., Romania, Réunion, Sardegna, Sicilia, South European Russi, Spain, Sweden, Switzerland, Taiwan, Transcaucasus, Trinidad-Tobago, Tubuai Is., Turkey, Turkey-in-Europe, Ukraine, Uzbekistan, Vermont, Vietnam, Wake I., Washington, West Virginia, Yugoslavia

    Lactuca sativa L. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    s.coll. [Cat. no. 3244] K001118909
    s.coll. [Cat. no. 3244] K001118910

    First published in Sp. Pl. 2: 795 (1753)

    Accepted by

    • Retief, E. & Meyer, N.L. (2017). Plants of the Free State inventory and identification guide Strelitzia 38: 1-1236. National Botanical Institute, Pretoria.
    • GCC in GCC (2011). Global Compositae Checklist Global Compositae Checklist http://compositae.landcareresearch.co.nz/.
    • Ghazanfar, S.A. (1992). An Annotated Catalogue of the Vascular Plants of Oman and their Vernacular names Scripta Botanica Belgica 2: 1-153.

    Literature

    Kew Backbone Distributions
    • Retief, E. & Meyer, N.L. (2017). Plants of the Free State inventory and identification guide Strelitzia 38: 1-1236. National Botanical Institute, Pretoria.
    • Ghazanfar, S.A. (1992). An Annotated Catalogue of the Vascular Plants of Oman and their Vernacular names Scripta Botanica Belgica 2: 1-153.

    Sources

    Art and Illustrations in Digifolia
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/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 2018. 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 2018. 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