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Fallopia japonica

Family: polygonaceae
Common name(s): Japanese knotweed
Synonym(s): Polygonum cuspidatum
Hardiness ratings: USDA zone 3~5 - 8~9

General resources

  • Wikipedia. Online encyclopedia entry (if defined).
  • Google images. Web search for photographs.
  • GRIN. Taxonomical details, with common names, distribution, and synonyms.
  • The Plant List. Taxonomical lookup

Links for Fallopia japonica

Fallopia japonica var. compacta

Common name(s): Japanese knotweed
Hardiness ratings: USDA zone 4~5 - 9


Fallopia japonica var. japonica


  • All Things Plants - Community-assembled plant profile (2 varieties in database) (6 photos)

Last updated:02 Jul 2017