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This genus is accepted, and its native range is Temp. Northern Hemisphere.

[FZ]

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

Habit
Annual or perennial herbs, sometimes shrubs Annual or perennial herbs, sometimes shrubs.
Stamens
Stamens 8; filaments subulate, or enlarged toward the base; interstaminal nectaries lacking, but with glandular hairs around the base of the filaments Stamens 8; filaments subulate, or enlarged toward the base; interstaminal nectaries lacking, but with glandular hairs around the base of the filaments.
Ovary
Ovary trigonous, with 3 styles; stigmas capitate or peltate, subsessile
Fruits
Nut trigonous, not exceeding the perianth. Nut trigonous, not exceeding the perianth.
Distribution
A genus of 9 species, mostly from Europe and Asia, introduced and cultivated elsewhere.
Stem
Stems scrambling or climbing. Stems scrambling or climbing
Leaves
Leaves alternate, petiolate. Leaves alternate, petiolate
Ocrea
Ocrea truncate and ± laciniate at the apex. Ocrea truncate and ± laciniate at the apex
Flowers
Flowers hermaphrodite, arranged in lax racemes or panicles or in clusters in leaf axils. Flowers hermaphrodite, arranged in lax racemes or panicles or in clusters in leaf axils
Perianth
Perianth 5(6)-merous, the 3 outer segments accrescent and keeled or winged in fruit. Perianth 5(6)-merous, the 3 outer segments accrescent and keeled or winged in fruit
Pistil
Ovary trigonous, with 3 styles; stigmas capitate or peltate, subsessile.

Native to:

Afghanistan, Alabama, Albania, Alberta, Algeria, Altay, Amur, Arkansas, Austria, Azores, Baleares, Baltic States, Belarus, Belgium, Bulgaria, Buryatiya, Canary Is., Central European Rus, China North-Central, China South-Central, China Southeast, Chita, Colorado, Connecticut, Corse, Cyprus, Czechoslovakia, Delaware, Denmark, District of Columbia, East Aegean Is., East European Russia, East Himalaya, Egypt, Finland, Florida, France, Føroyar, Georgia, Germany, Great Britain, Greece, Hungary, Illinois, India, Indiana, Inner Mongolia, Iowa, Iran, Iraq, Ireland, Irkutsk, Italy, Japan, Kamchatka, Kansas, Kazakhstan, Kentucky, Khabarovsk, Kirgizstan, Korea, Krasnoyarsk, Kriti, Krym, Kuril Is., Lebanon-Syria, Libya, Louisiana, Madeira, Magadan, Maine, Manchuria, Manitoba, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Mongolia, Morocco, Nebraska, Nepal, Netherlands, New Brunswick, New Hampshire, New Jersey, New York, North Carolina, North Caucasus, North Dakota, North European Russi, Northwest European R, Norway, Nova Scotia, Ohio, Oklahoma, Ontario, Pakistan, Panamá, 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, Tennessee, Texas, Tibet, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Turkmenistan, Tuva, Ukraine, Uzbekistan, Vermont, Vietnam, Virginia, West Himalaya, West Siberia, West Virginia, Wisconsin, Wyoming, Xinjiang, Yakutskiya, Yugoslavia

Introduced into:

Alaska, Aleutian Is., Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Bermuda, Bolivia, Brazil South, Brazil Southeast, British Columbia, California, Cape Provinces, Chile Central, Chile South, Cuba, Dominican Republic, Eritrea, Ethiopia, Free State, Greenland, Idaho, Kenya, Labrador, Lesotho, Mexico Gulf, Mexico Northeast, Montana, Mozambique, Nansei-shoto, Nevada, New Caledonia, New Mexico, New Zealand North, New Zealand South, Newfoundland, Norfolk Is., Northern Provinces, Oregon, Palestine, Paraguay, Peru, Taiwan, Utah, Washington, Yukon, Zimbabwe

Fallopia Adans. appears in other Kew resources:

First published in Fam. Pl. 2: 274 (1763)

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

  • Bot. J. Linn. Soc. 98: 344–346 (1988).
  • Ronse Decraene & Akeroyd in Bot. J. Linn. Soc. 98: 344–346 (1988).
  • Bilderdykia Dumort., Fl. Belg.: 18 (1827) pro parte.
  • Fam. Pl. 2: 274, 277 & 557 (1763).
  • Fam. Pl. 2: 274, 277 & 557 (1763).

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 2021. 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 2021. 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