1. Family: Polygonaceae Juss.
    1. Fagopyrum Mill.

      1. This genus is accepted, and its native range is S. Siberia to Indo-China.

    [FZ]

    Flora Zambesiaca. Vol. 9, Part 3. Polygonaceae-Myriaceae. Pope GV, Polhill RM, Martins ES. 2006.

    Perianth
    Perianth 5-merous, campanulate; segments almost free, subequal, with a main vein and 2 collateral veins arising near the base Perianth 5-merous, campanulate; segments almost free, subequal, with a main vein and 2 collateral veins arising near the base.
    Style
    Styles 3, filiform; stigmas capitate
    Distribution
    A genus of c. 15 species mainly in eastern Asia, with one species (formerly in Harpagocarpus) native in tropical Africa and one naturalized and cultivated in temperate and tropical highland regions of the world.
    Habit
    Annual or perennial herbs. Annual or perennial herbs
    Stem
    Stem erect, glabrous or hairy, hollow. Stem erect, glabrous or hairy, hollow
    Leaves
    Leaves alternate, petiolate. Leaves alternate, petiolate
    Ocrea
    Ocrea short, obliquely truncate, entire. Ocrea short, obliquely truncate, entire
    Flowers
    Flowers hermaphrodite, heterostylous, in shortly pedunculate bracteate clusters, arranged in terminal and axillary raceme-like panicles. Flowers hermaphrodite, heterostylous, in shortly pedunculate bracteate clusters, arranged in terminal and axillary raceme-like panicles
    Stamens
    Stamens 7–8, alternating with yellow nectaries on the disk. Stamens 7–8, alternating with yellow nectaries on the disk
    Pistil
    Styles 3, filiform; stigmas capitate.
    Fruits
    Nut much exceeding the perianth, triquetrous with sharp angles and elsewhere sometimes with barbed bristles. Nut much exceeding the perianth, triquetrous with sharp angles and elsewhere sometimes with barbed bristles.

    Images

    Distribution

    Native to:

    Assam, China North-Central, China South-Central, China Southeast, East Himalaya, India, Myanmar, Nepal, Pakistan, Thailand, Tibet, Vietnam, West Himalaya

    Introduced into:

    Afghanistan, Alabama, Alaska, Albania, Alberta, Altay, Amur, Arizona, Austria, Bahamas, Baleares, Baltic States, Bangladesh, Belarus, Belgium, Bermuda, Bolivia, Botswana, Bulgaria, Buryatiya, California, Cape Provinces, Central European Rus, Chita, Colorado, Connecticut, Corse, Costa Rica, Czechoslovakia, Delaware, Denmark, District of Columbia, East European Russia, Ethiopia, Finland, Florida, France, Free State, Georgia, Germany, Great Britain, Hungary, Idaho, Illinois, Indiana, Inner Mongolia, Iowa, Irkutsk, Italy, Jamaica, Japan, Kamchatka, Kansas, Kazakhstan, Kentucky, Kenya, Khabarovsk, Kirgizstan, Korea, Krasnoyarsk, Krym, KwaZulu-Natal, Louisiana, Magadan, Maine, Manchuria, Manitoba, Maryland, Masachusettes, Michigan, Minnesota, Missouri, Mongolia, Montana, Mozambique, Nebraska, Netherlands, New Brunswick, New Hampshire, New Jersey, New Mexico, New York, New Zealand North, New Zealand South, Newfoundland, North Carolina, North Dakota, North European Russi, Northern Provinces, Northwest European R, Norway, Nova Scotia, Ohio, Oklahoma, Ontario, Oregon, Pennsylvania, Poland, Portugal, Primorye, Prince Edward I., Qinghai, Québec, Rhode I., Romania, Sakhalin, Sardegna, Saskatchewan, Sicilia, South Carolina, South Dakota, South European Russi, Spain, Sweden, Switzerland, Tadzhikistan, Tanzania, Tennessee, Texas, Transcaucasus, Turkey, Tuva, Uganda, Ukraine, Uzbekistan, Vermont, Virginia, Washington, West Siberia, West Virginia, Wisconsin, Wyoming, Xinjiang, Yakutskiya, Yugoslavia, Yukon, Zambia, Zaïre, Zimbabwe

    Fagopyrum Mill. appears in other Kew resources:

    First published in Gard. Dict. Abr. ed. 4: s.p. (1754)

    Accepted by

    • Schuster, T.M., Reveal, J.L., Bayly, M.J. & Kron, K.A. (2015). An updated molecular phylogeny of Polygonoideae (Polygonaceae): relationships of Oxygonum, Pteroxygonum, and Rumex, and a new circumscription of Koenigia Taxon 64: 1188-1208.
    • Govaerts, R. (2001). World Checklist of Seed Plants Database in ACCESS E-F: 1-50919.

    Literature

    Flora Zambesiaca
    • Gard. Dict. abr. ed. 4, 1 (1754) nom. Conserve.
    Flora of Tropical East Africa
    • Gard. Dict., abridg. ed. 4, 1 (1754)

    Sources

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