1. Family: Aizoaceae Martinov
    1. Tetragonia L.

      1. This genus is accepted, and is native to Africa, Pacific, Southern America, Australasia and Asia-Temperate..

    [FZ]

    Tetragoniaceae, M. L. Gonçalves. Flora Zambesiaca 4. 1978

    Habit
    Annual or perennial herbs or subshrubs, often minutely papillose.
    Leaves
    Leaves subsucculent.
    Flowers
    Flowers axillary, solitary or fasciculate, subsessile or pedunculate, greenish or yellowish.
    Perianth
    Perianth-segments united, the tube produced above the ovary, 3–5-lobed.
    Stamens
    Stamens 3–?, alternate with the perianth-segments, solitary or fasciculate.
    Ovary
    Ovary semi-inferior or inferior, (l)2–8(9)-locular, with 1 pendulous ovule per loculus and as many styles as the loculi, linear and free.
    Fruits
    Fruit hard, winged, horned or spiny.
    [FTEA]

    Aïzoaceae, C. Jeffrey. Flora of Tropical East Africa. 1961

    Habit
    Often minutely papillose annual or perennial herbs or subshrubs
    Leaves
    Leaves alternate, entire, subsucculent
    Stipules
    Stipules absent
    Flowers
    Flowers axillary, solitary or fasciculate, sessile or pedunculate, hermaphrodite or unisexual, greenish or yellowish
    Calyx
    Calyx gamosepalous, the tube produced above the ovary, 3–5-lobed
    Stamens
    Stamens few to many, alternate with the calyx-lobes, solitary or fasciculate
    Pistil
    Ovary semi-inferior or inferior, 1–9-locular; ovules 1 perloculus, pendulous; styles as many as the loculi, linear, free
    Fruits
    Fruit simple, dry, hard, indehiscent, terete, winged, ridged, horned or spiny
    Distribution
    Probably some 60 species, of which about 40 are South African, the rest mostly Australasian and in western South America; 2 or 3 species in Somaliland and Socotra
    Note
    There is much to be said for treating this and the following genus as members of a separate family, the Tetragoniaceae, more closely allied to the Nyctaginaceae and Gyrostemonaceae; see Friedrich in Phyton 6: 220–263 (1956).

    Images

    Distribution

    Native to:

    Angola, Botswana, Cape Provinces, Chile Central, Chile North, Easter Is., Ethiopia, Free State, Kenya, Kermadec Is., Korea, KwaZulu-Natal, Lesotho, Namibia, New Caledonia, New South Wales, Norfolk Is., Northern Provinces, Ogasawara-shoto, Peru, Queensland, South Australia, Victoria, Western Australia

    Introduced into:

    Algeria, Argentina Northeast, Argentina Northwest, Ascension, Azores, Baleares, Bermuda, Bolivia, Brazil Northeast, Brazil South, Brazil Southeast, California, Canary Is., Cape Verde, Chile South, Connecticut, Czechoslovakia, Ecuador, Florida, Great Britain, Greece, Guatemala, Honduras, Italy, Libya, Louisiana, Madeira, Masachusettes, Mauritius, Mexico Gulf, Mexico Northwest, Morocco, Mozambique, North Carolina, Oregon, Pennsylvania, Portugal, Rodrigues, Rwanda, Réunion, Somalia, Spain, St.Helena, Tonga, Uganda, Uruguay, West Virginia, Wisconsin

    Tetragonia L. appears in other Kew resources:

    First published in Sp. Pl.: 480 (1753)

    Literature

    Flora Zambesiaca
    • Gen. Pl. ed. 5: 215 (1754).
    • Sp. Pl. 1: 480 (1753)
    Flora of Tropical East Africa
    • Adamson, J. S. Afr. Bot. 21: 109 (1955)
    • L., Gen. Pl., ed. 5: 215 (1754)
    • Sp. Pl.: 480 (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

    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