Summary
Place of publication:
Rep. veg. Ooryongto 18. 1919
Verified:
10/28/2011
ARS Systematic Botanists.
Autonyms (not in current use), synonyms and invalid designations
Reference(s)
- Allan, H. H. B. et al. 1961-. Flora of New Zealand.
- Galasso, G. 2011. Review of Polygonaceae data for World Economic Plants, ed. 2. pers. comm.
- Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14
- Harden, G. J., ed. 1990-1993. Flora of New South Wales.
- Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11.
- Iwatsuki, K. et al. 1993-. Flora of Japan. Note: = Fallopia sachalinensis (F. Schmidt) Ronse Decr.
- Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
- Jonsell, B., ed. 2000. Flora nordica. Note: = Fallopia sachalinensis
- Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. Note: = Polygonum sachalinense F. Schmidt
- Personal Care Products Council. INCI
- Ronse Decraene, L.-P. & J. R. Akeroyd. 1988. Generic limits in Polygonum and related genera (Polygonaceae) on the basis of floral characters. Bot. J. Linn. Soc. 98:369. Note: = Fallopia sachalinensis (F. Schmidt) Ronse Decr.
- Schuster, T. M. et al. 2011. Phylogenetic relationships of Muehlenbeckia, Fallopia, and Reynoutria (Polygonaceae) investigated with chloroplast and nuclear sequence data. Int. J. Pl. Sci. 172:1063.
- Tutin, T. G. et al., eds. 1993. Flora europaea, ed. 2.
- Wilson, K. L. 1988. Polygonum sensu lato (Polygonaceae) in Australia. Telopea 3:179.
Common names
English
giant knotweed – sacaline – Sakhalin knotweed – French
renouée des Sakhalines – German
Sachalin-Flügelknöterich – Italian
poligono di Sakhalin – Japanese Rōmaji
ō-itadori –
Distribution
| order_code | Status | Continent | Subcontinent | Country | State | Note |
| 1 | Native | Asia-Temperate | Eastern Asia | Japan | Hokkaidô | |
| 1 | Native | Asia-Temperate | Eastern Asia | Japan | Honshu | |
| 1 | Native | Asia-Temperate | Russian Far East | Russian Federation | Kurile Islands | s. |
| 1 | Native | Asia-Temperate | Russian Far East | Russian Federation | Sakhalin | s. |
| 2 | Cultivated | | | | | also cult. elsewhere |
| 2 | Cultivated | Asia-Temperate | Eastern Asia | Japan | | |
| 2 | Cultivated | Europe | Eastern Europe | Russian Federation | Bryansk | |
| 4 | Naturalized | Africa | Southern Africa | South Africa | KwaZulu-Natal | |
| 4 | Naturalized | Australasia | Australia | Australia | New South Wales | |
| 4 | Naturalized | Australasia | New Zealand | New Zealand | North Island | |
| 4 | Naturalized | Australasia | New Zealand | New Zealand | South Island | |
| 4 | Naturalized | Europe | Eastern Europe | Belarus | | |
| 4 | Naturalized | Europe | Eastern Europe | Latvia | | |
| 4 | Naturalized | Europe | Eastern Europe | Lithuania | | |
| 4 | Naturalized | Europe | Eastern Europe | Ukraine | | |
| 4 | Naturalized | Europe | Middle Europe | Austria | | |
| 4 | Naturalized | Europe | Middle Europe | Belgium | | |
| 4 | Naturalized | Europe | Middle Europe | Czech Republic | | |
| 4 | Naturalized | Europe | Middle Europe | Germany | | |
| 4 | Naturalized | Europe | Middle Europe | Hungary | | |
| 4 | Naturalized | Europe | Middle Europe | Netherlands | | |
| 4 | Naturalized | Europe | Middle Europe | Poland | | |
| 4 | Naturalized | Europe | Middle Europe | Slovakia | | |
| 4 | Naturalized | Europe | Northern Europe | Denmark | | |
| 4 | Naturalized | Europe | Northern Europe | Finland | | s. |
| 4 | Naturalized | Europe | Northern Europe | Ireland | | |
| 4 | Naturalized | Europe | Northern Europe | Sweden | | s. |
| 4 | Naturalized | Europe | Northern Europe | United Kingdom | | |
| 4 | Naturalized | Europe | Southeastern Europe | Bulgaria | | |
| 4 | Naturalized | Europe | Southeastern Europe | Slovenia | | |
| 4 | Naturalized | Europe | Southwestern Europe | France | | |
| 4 | Naturalized | Northern America | Eastern Canada | Canada | New Brunswick | |
| 4 | Naturalized | Northern America | Eastern Canada | Canada | Newfoundland and Labrador | |
| 4 | Naturalized | Northern America | Eastern Canada | Canada | Nova Scotia | |
| 4 | Naturalized | Northern America | Eastern Canada | Canada | Ontario | |
| 4 | Naturalized | Northern America | Eastern Canada | Canada | Prince Edward Island | |
| 4 | Naturalized | Northern America | Eastern Canada | Canada | Québec | |
| 4 | Naturalized | Northern America | North-Central U.S.A. | United States | Illinois | |
| 4 | Naturalized | Northern America | North-Central U.S.A. | United States | Wisconsin | |
| 4 | Naturalized | Northern America | Northeastern U.S.A. | United States | Connecticut | |
| 4 | Naturalized | Northern America | Northeastern U.S.A. | United States | Maine | |
| 4 | Naturalized | Northern America | Northeastern U.S.A. | United States | Massachusetts | |
| 4 | Naturalized | Northern America | Northeastern U.S.A. | United States | Michigan | |
| 4 | Naturalized | Northern America | Northeastern U.S.A. | United States | New Jersey | |
| 4 | Naturalized | Northern America | Northeastern U.S.A. | United States | New York | |
| 4 | Naturalized | Northern America | Northeastern U.S.A. | United States | Ohio | |
| 4 | Naturalized | Northern America | Northeastern U.S.A. | United States | Pennsylvania | |
| 4 | Naturalized | Northern America | Northeastern U.S.A. | United States | Rhode Island | |
| 4 | Naturalized | Northern America | Northeastern U.S.A. | United States | West Virginia | |
| 4 | Naturalized | Northern America | Northwestern U.S.A. | United States | Idaho | |
| 4 | Naturalized | Northern America | Northwestern U.S.A. | United States | Montana | |
| 4 | Naturalized | Northern America | Northwestern U.S.A. | United States | Oregon | |
| 4 | Naturalized | Northern America | Northwestern U.S.A. | United States | Washington | |
| 4 | Naturalized | Northern America | Southeastern U.S.A. | United States | Delaware | |
| 4 | Naturalized | Northern America | Southeastern U.S.A. | United States | Kentucky | |
| 4 | Naturalized | Northern America | Southeastern U.S.A. | United States | Louisiana | |
| 4 | Naturalized | Northern America | Southeastern U.S.A. | United States | Maryland | |
| 4 | Naturalized | Northern America | Southeastern U.S.A. | United States | North Carolina | |
| 4 | Naturalized | Northern America | Southeastern U.S.A. | United States | Tennessee | |
| 4 | Naturalized | Northern America | Southeastern U.S.A. | United States | Virginia | |
| 4 | Naturalized | Northern America | Southwestern U.S.A. | United States | California | |
| 4 | Naturalized | Northern America | Western Canada | Canada | British Columbia | |
Native
Asia-Temperate
-
RUSSIAN FAR EAST:
Russian Federation [Kurile Islands (s.), Sakhalin (s.)]
-
EASTERN ASIA:
Japan [Hokkaidô, Honshu]
Cultivated
Asia-Temperate
Europe
-
EASTERN EUROPE:
Russian Federation [Bryansk]
Naturalized
Africa
-
SOUTHERN AFRICA:
South Africa [KwaZulu-Natal]
Australasia
-
AUSTRALIA:
Australia [New South Wales]
-
NEW ZEALAND:
New Zealand [North Island, South Island]
Europe
-
NORTHERN EUROPE:
Denmark, Finland (s.), United Kingdom, Ireland, Sweden (s.)
-
MIDDLE EUROPE:
Austria, Belgium, Czech Republic, Germany, Hungary, Netherlands, Poland, Slovakia
-
EASTERN EUROPE:
Belarus, Lithuania, Latvia, Ukraine
-
SOUTHEASTERN EUROPE:
Bulgaria, Slovenia
-
SOUTHWESTERN EUROPE:
France
Northern America
-
EASTERN CANADA:
Canada [New Brunswick, Newfoundland and Labrador, Nova Scotia, Ontario, Prince Edward Island, Québec]
-
WESTERN CANADA:
Canada [British Columbia]
-
NORTHEASTERN U.S.A.:
United States [Maine, Massachusetts, Michigan, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, West Virginia, Connecticut]
-
NORTH-CENTRAL U.S.A.:
United States [Illinois, Wisconsin]
-
NORTHWESTERN U.S.A.:
United States [Idaho, Montana, Oregon, Washington]
-
SOUTHEASTERN U.S.A.:
United States [Delaware, Kentucky, Louisiana, Maryland, North Carolina, Virginia, Tennessee]
-
SOUTHWESTERN U.S.A.:
United States [California]
Economic Uses
| Usage | Type | Note | Reference |
| Animal food | fodder | as Fallopia sachalinensis | Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6 |
| Environmental | ornamental | as Fallopia sachalinensis | FNA Editorial Committee. 1993-. Flora of North America. |
| Environmental | ornamental | as Polygonum sachalinense | Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening |
| Fuels | potential as biomass for energy generation | as Polygonum sachalinense | Bassam, N. E. 1998. Energy plant species. 146-149. |
| Weed | potential seed contaminant | as Fallopia sachalinensis | FNA Editorial Committee. 1993-. Flora of North America. |
| Weed | potential seed contaminant | as Polygonum sachalinense | Hickman, J. C., ed. 1993. The Jepson manual: higher plants of California |
Cite as: USDA, Agricultural Research Service, National Plant Germplasm System.
2025. Germplasm Resources Information Network
(GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://grip.mawarid.gov.om/gringlobal/taxon/taxonomydetail?id=409769.
Accessed 15 May 2025.