1. Family: Cucurbitaceae Juss.
    1. Citrullus Schrad. ex Eckl. & Zeyh.

      1. This genus is accepted, and its native range is Macaronesia, Medit., Tropical & S. Africa, Arabian Peninsula to India.

    [FTEA]

    Cucurbitaceae, C. Jeffrey. Flora of Tropical East Africa. 1967

    Habit
    Annual or tuberous-rooted perennial trailing or climbing herbs
    Leaves
    Leaves simple, usually deeply ± pinnately lobed
    Tendrils
    Tendrils simple, proximally 2–4-fid, or absent
    Bracts
    Probracts present
    Flowers
    Flowers yellow, of medium size, monoecious Male flowers solitary; receptacle-tube short, campanulate; lobes moderately large; petals 5, united below the middle; stamens inserted on the tube, 3 (2 double 2-thecous, 1 single 1-thecous), free; connectives broad; thecae flexuous Female flowers solitary; ovary hairy, subglobose; ovules many, horizontal; receptacle-tube short; staminodes present; stigma 3-lobed
    Male
    Male flowers solitary; receptacle-tube short, campanulate; lobes moderately large; petals 5, united below the middle; stamens inserted on the tube, 3 (2 double 2-thecous, 1 single 1-thecous), free; connectives broad; thecae flexuous
    Female
    Female flowers solitary; ovary hairy, subglobose; ovules many, horizontal; receptacle-tube short; staminodes present; stigma 3-lobed
    Fruits
    Fruit large, subspherical, greenish, firm-walled, fleshy, indehiscent
    Seeds
    Seeds many, usually ovate in outline, compressed, smooth or slightly rough
    Figures
    Fig. 5, p. 45.
    [FZ]

    Cucurbitaceae, C. Jeffrey. Flora Zambesiaca 4. 1978

    Habit
    Prostrate or scandent annual or perennial herbs.
    Leaves
    Leaves simple, petiolate, usually ± deeply lobed.
    Tendrils
    Tendrils simple, proximally 2–4-fid, or absent.
    Bracts
    Probracts present.
    Flowers
    Female flowers solitary; receptacle-tube very short, cylindrical, perianth otherwise similar to that of male flower; staminodes 3; ovary ellipsoid or subglobose, hairy, smooth; ovules many, horizontal; stigma 3-lobed. Male flowers solitary. Receptacle-tube short, campanulate; lobes lanceolate, remote. Petals 5, shortly united, entire. Stamens 3, 2 double two-thecous, 1 single one-thecous; filaments inserted on receptacle-tube; connectives broad; thecae flexuous. Flowers yellow, monoecious.
    Fruits
    Fruit subspherical or ellipsoid, greenish or yellow, often mottled, terete, firm-walled, fleshy, indehiscent.
    Seeds
    Seeds ovate in outline, compressed, smooth or slightly rough.

    Images

    Distribution

    Native to:

    Afghanistan, Algeria, Angola, Assam, Bangladesh, Benin, Botswana, Burkina, Canary Is., Cape Provinces, Cape Verde, Chad, Cyprus, Djibouti, Egypt, Eritrea, Ethiopia, Free State, Ghana, Greece, Guinea, Gulf States, India, Iran, Ivory Coast, Kenya, Kuwait, KwaZulu-Natal, Lebanon-Syria, Lesotho, Libya, Mali, Mauritania, Morocco, Mozambique, Myanmar, Namibia, Niger, Nigeria, Northern Provinces, Oman, Pakistan, Palestine, Saudi Arabia, Senegal, Sicilia, Sinai, Socotra, Somalia, Spain, Sri Lanka, Sudan, Swaziland, Tunisia, Turkey, Turkmenistan, Western Sahara, Yemen, Zambia, Zimbabwe

    Introduced into:

    Alabama, Albania, Andaman Is., Argentina Northeast, Argentina Northwest, Arizona, Arkansas, Ascension, Austria, Bahamas, Bolivia, Brazil South, Brazil West-Central, Burundi, California, Cameroon, Cayman Is., Central African Repu, China North-Central, China Southeast, Colombia, Congo, Connecticut, Cook Is., Corse, Costa Rica, Cuba, Czechoslovakia, Dominican Republic, East Aegean Is., Ecuador, El Salvador, Florida, Gabon, Galápagos, Gambia, Georgia, Gilbert Is., Guatemala, Gulf of Guinea Is., Hainan, Haiti, Hungary, Illinois, Indiana, Inner Mongolia, Italy, Kansas, Kazakhstan, Kentucky, Korea, Laos, Leeward Is., Louisiana, Maine, Malawi, Manchuria, Maryland, Masachusettes, Mauritius, Mexico Southwest, Michigan, Mississippi, Missouri, Nauru, Nepal, Nevada, New Caledonia, New Jersey, New Mexico, New York, New Zealand North, New Zealand South, Nicaragua, Nicobar Is., Niue, North Carolina, Ohio, Oklahoma, Paraguay, Pennsylvania, Portugal, Puerto Rico, Qinghai, Rhode I., Rodrigues, Romania, Rwanda, Réunion, Samoa, Sierra Leone, Society Is., South Carolina, Sri Lanka, Tadzhikistan, Tanzania, Tennessee, Texas, Tibet, Togo, Trinidad-Tobago, Turkey-in-Europe, Uganda, Utah, Uzbekistan, Venezuela, Venezuelan Antilles, Vermont, Vietnam, Virginia, West Virginia, Windward Is., Wisconsin, Xinjiang, Zaïre

    Citrullus Schrad. ex Eckl. & Zeyh. appears in other Kew resources:

    First published in Enum. Pl. Afric. Austral.: 279 (1836)

    Accepted by

    • De Wilde, W.J.J.O. & Duyfjes, B.E.E. (2008). The edible Cucurbitaceae of Thailand and Malesia and the wild forms of the cultivated ones Sandakania 17: 43-91.
    • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.

    Literature

    Flora Zambesiaca
    • Enum. Pl. Afr. Austr. Extratrop.: 279 (1836) nom. conserv.
    Flora of Tropical East Africa
    • Enum.: 279 (1836), nom. conserv.

    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

    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