Jump to: SynonymsCommon NamesEconomic ImportanceDistributional RangeReferencesOther Web References

Taxon: Reynoutria sachalinensis (F. Schmidt) Nakai

Genus: Reynoutria
Family: Polygonaceae
Subfamily: Polygonoideae
Tribe: Polygoneae
Nomen number: 409769
Place of publication: Rep. veg. Ooryongto 18. 1919
Link to protologue:
Name Verified on: 28-Oct-2011 by ARS Systematic Botanists.
Accessions: 4 (1 active, 0 available) in National Plant Germplasm System

Autonyms (not in current use), synonyms and invalid designations:

(≡ homotypic synonym, = heterotypic synonym, - autonym, I invalid designation)

Common names:

  • giant knotweed  (Source: Hortus 3) - English
  • sacaline  (Source: Hortus 3) - English
  • Sakhalin knotweed  (Source: World Econ Pl) - English
  • renouée des Sakhalines  (Source: Zander Ency) - French
  • Sachalin-Flügelknöterich  (Source: Zander Ency) - German
  • poligono di Sakhalin  (Source: pers. comm.) - Italian
  • ō-itadori  (Source: F Japan) - Japanese Rōmaji

Economic Importance:

  • Animal food: fodder (as Fallopia sachalinensis)
  • Environmental: ornamental (as Fallopia sachalinensis)
  • Fuels:
  • Weed: potential seed contaminant (as Fallopia sachalinensis) potential seed contaminant (as Fallopia sachalinensis)

Distributional Range:


    • RUSSIAN FAR EAST: Russian Federation [Kurile Islands (s.), Sakhalin (s.)]
    • EASTERN ASIA: Japan [Hokkaidô, Honshu]


    • EASTERN ASIA: Japan

    • EASTERN EUROPE: Russian Federation [Bryansk]


    • SOUTHERN AFRICA: South Africa [KwaZulu-Natal]

    • AUSTRALIA: Australia [New South Wales]
    • NEW ZEALAND: New Zealand [North Island, South Island]

    • NORTHERN EUROPE: Denmark, Finland (s.), Ireland, Sweden (s.), United Kingdom
    • MIDDLE EUROPE: Austria, Belgium, Czech Republic, Germany, Hungary, Netherlands, Poland, Slovakia
    • EASTERN EUROPE: Belarus, Latvia, Lithuania, Ukraine
    • SOUTHEASTERN EUROPE: Bulgaria, Slovenia

    Northern America
    • EASTERN CANADA: Canada [Québec, Nova Scotia, Ontario, Prince Edward Island, New Brunswick, Newfoundland and Labrador]
    • WESTERN CANADA: Canada [British Columbia]
    • NORTHEASTERN U.S.A.: United States [Connecticut, Maine, Massachusetts, Michigan, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, West Virginia]
    • 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, Tennessee, Virginia]
    • SOUTHWESTERN U.S.A.: United States [California]


  1. Allan, H. H. B. et al. 1961-. Flora of New Zealand.
  2. Galasso, G. 2011. Review of Polygonaceae data for World Economic Plants, ed. 2. pers. comm.
  3. Germishuizen, G. & N. L. Meyer, eds. 2003. Plants of southern Africa: an annotated checklist. Strelitzia 14
  4. Harden, G. J., ed. 1990-1993. Flora of New South Wales.
  5. Hnatiuk, R. J. 1990. Census of Australian vascular plants. Australian Flora and Fauna Series No. 11.
  6. Iwatsuki, K. et al. 1993-. Flora of Japan. Note: = Fallopia sachalinensis (F. Schmidt) Ronse Decr.
  7. Jalas, J. & J. Suominen. 1972-. Atlas florae europaeae.
  8. Jonsell, B., ed. 2000. Flora nordica. Note: = Fallopia sachalinensis
  9. Komarov, V. L. et al., eds. 1934-1964. Flora SSSR. Note: = Polygonum sachalinense F. Schmidt
  10. Personal Care Products Council. INCI
  11. 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.
  12. 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.
  13. Tutin, T. G. et al., eds. 1993. Flora europaea, ed. 2.
  14. Wilson, K. L. 1988. Polygonum sensu lato (Polygonaceae) in Australia. Telopea 3:179.

Check other web resources for Reynoutria sachalinensis (F. Schmidt) Nakai :

  • Flora Europaea: Database of European Plants (ESFEDS)
  • PLANTS: USDA-NRCS Database of Plants of the United States and its Territories
  • BONAP North American Plant Atlas of the Biota of North America Program:
  • AVH: Australia's Virtual Herbarium
  • SIBIS: South African National Biodiversity Institute's (SANBI) Integrated Biodiversity System
  • TROPICOS: Nomenclatural and Specimen Database of the Missouri Botanical Garden
  • Mansfeld: Mansfeld's World Databas of Agricultural and Horticultural Crops
  • ePIC: Electronic Plant Information Centre of Royal Botanic Gardens, Kew
  • AGRICOLA: Article Citation Database or NAL Catalog of USDA's National Agricultural Library
  • Entrez: NCBI's search engine for PubMed citations, GenBank sequences, etc.
  • PubAg: USDA's National Agricultural Library database of full-text journal articles and citations on the agricultural sciences.

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2020. Germplasm Resources Information Network (GRIN-Taxonomy).
National Germplasm Resources Laboratory, Beltsville, Maryland. URL: https://npgsweb.ars-grin.gov/gringlobal/taxonomydetail.aspx?id=409769. Accessed 12 July 2020.