1. Family: Amaranthaceae Juss.
    1. Chenopodium L.

      1. This genus is accepted, and its native range is Cosmopolitan.

    [FZ]

    Chenopodiaceae, J. P. M. Brenan. Flora Zambesiaca 9:1. 1988

    Habit
    Mostly annual or perennial herbs, glabrous, pubescent, glandular or mealy with vesicular hairs.
    Leaves
    Leaves membranous to more or less fleshy, entire, toothed, or pinnately divided, alternate, mostly petiolate, normally broad.
    Flowers
    Flowers mostly in cymose clusters (“glomerules”) variously arranged but often paniculate and mixed, without bracteoles.
    Perianth
    Perianth of both sorts of flower normally (3) 4–5 lobed, unaltered or nearly so in fruit, or sometimes becoming fleshy.
    Stamens
    Stamens 1–5.
    Stigma
    Stigmas 2 (5).
    Fruits
    Fruit with a membranous indehiscent pericarp.
    Seeds
    Embryo annular. Seeds “horizontal” (vertically compressed) or, less commonly, “vertical” (horizontally compressed), testa normally thin, hard and brittle. Endosperm present.
    [FTEA]

    Chenopodiaceae, J. P. M. Brenan. Flora of Tropical East Africa. 1954

    Habit
    Mostly annual or perennial herbs, glabrous, pubescent, glandular or mealy with vesicular hairs
    Leaves
    Leaves alternate, mostly petiolate, normally broad
    Flowers
    Flowers mostly in cymose clusters (“glomerules”) variously arranged, ⚥ and ♀ mixed, without bracteoles
    Calyx
    Calyx of both sorts of flower normally (3–) 4–5-lobed, unaltered or nearly so in fruit, or sometimes becoming fleshy
    Stamens
    Stamens 1–5
    Fruits
    Fruits with membranous indehiscent pericarp
    Seeds
    Endosperm present Embryo annular Seeds “horizontal” (vertically compressed) or, less commonly, “vertical” (horizontally compressed); testa normally thin, hard and brittle
    Note
    Weeds of cultivated areas and waste lands around human habitations.

    Images

    Distribution

    Native to:

    Afghanistan, Alabama, Alaska, Albania, Alberta, Algeria, Altay, Amur, Angola, Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Arkansas, Assam, Austria, Azores, Baleares, Baltic States, Bangladesh, Belarus, Belgium, Bolivia, Botswana, Brazil South, British Columbia, Bulgaria, Burundi, Buryatiya, California, Canary Is., Cape Provinces, Cape Verde, Caprivi Strip, Central European Rus, Chad, Chatham Is., Chile Central, Chile North, Chile South, China North-Central, China South-Central, China Southeast, Chita, Colombia, Colorado, Connecticut, Corse, Cyprus, Czechoslovakia, Delaware, Denmark, Desventurados Is., District of Columbia, Djibouti, East Aegean Is., East European Russia, East Himalaya, Ecuador, Egypt, Eritrea, Ethiopia, Finland, Florida, France, Free State, Georgia, Germany, Great Britain, Greece, Gulf States, Hainan, Hawaii, Honduras, Hungary, Idaho, Illinois, India, Indiana, Inner Mongolia, Iowa, Iran, Iraq, Ireland, Irkutsk, Italy, Japan, Juan Fernández Is., Kamchatka, Kansas, Kazakhstan, Kentucky, Kenya, Kermadec Is., Khabarovsk, Kirgizstan, Korea, Krasnoyarsk, Kriti, Krym, Kuril Is., KwaZulu-Natal, Laos, Lebanon-Syria, Leeward Is., Lesotho, Libya, Louisiana, Madeira, Magadan, Maine, Malawi, Manchuria, Manitoba, Maryland, Masachusettes, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Michigan, Minnesota, Mississippi, Missouri, Mongolia, Montana, Morocco, Mozambique, Namibia, Nansei-shoto, Nebraska, Nepal, Netherlands, Nevada, New Hampshire, New Jersey, New Mexico, New South Wales, New York, New Zealand North, New Zealand South, North Carolina, North Caucasus, North Dakota, North European Russi, Northern Provinces, Northern Territory, Northwest European R, Northwest Territorie, Norway, Nova Scotia, Ogasawara-shoto, Ohio, Oklahoma, Oman, Ontario, Oregon, Pakistan, Palestine, Panamá, Paraguay, Pennsylvania, Peru, Philippines, Poland, Portugal, Primorye, Prince Edward I., Qinghai, Queensland, Québec, Rhode I., Romania, Rwanda, Sakhalin, Sardegna, Saskatchewan, Saudi Arabia, Sicilia, Sinai, Somalia, South Australia, South Carolina, South China Sea, South Dakota, South European Russi, Spain, St.Helena, Sudan, Swaziland, Sweden, Switzerland, Tadzhikistan, Taiwan, Tanzania, Tasmania, Tennessee, Texas, Tibet, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Turkmenistan, Tuva, Uganda, Ukraine, Uruguay, Utah, Uzbekistan, Vermont, Victoria, Vietnam, Virginia, Washington, West Himalaya, West Siberia, West Virginia, Western Australia, Wisconsin, Wyoming, Xinjiang, Yakutskiya, Yemen, Yugoslavia, Yukon, Zambia, Zaïre, Zimbabwe

    Introduced into:

    Antipodean Is., Bahamas, Bermuda, Brazil Northeast, Brazil Southeast, Brazil West-Central, Cambodia, Cameroon, Cuba, Dominican Republic, Føroyar, Gulf of Guinea Is., Iceland, Labrador, Mauritania, Mauritius, New Brunswick, New Caledonia, Newfoundland, Norfolk Is., Nunavut, Réunion, Seychelles, Sri Lanka, Trinidad-Tobago, Tristan da Cunha

    Chenopodium L. appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Krapovickas, A. [37116], Brazil K001207018
    Krapovickas, A. [37705], Brazil K001207019
    Secco, R.S. [115], Brazil K001207017
    s.coll. [Cat. no. 7440] K001127341

    First published in Sp. Pl.: 219 (1753)

    Accepted by

    • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.

    Literature

    Flora of West Tropical Africa
    • —F.T.A. 6, 1: 77.
    Flora Zambesiaca
    • Gen. Pl., ed. 5: 103 (1754).
    Flora of Tropical East Africa
    • Gen. PL, ed. 5, 103 (1754)

    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

    Plants and People Africa
    Common Names from Plants and People Africa http://www.plantsandpeopleafrica.com/
    © Plants and People Africa http://www.plantsandpeopleafrica.com http://creativecommons.org/licenses/by/3.0/