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*Reynoutria sachalinensis (F. Schmidt ex Maximowicz) Nakai. Giant Knotweed, Sachaline. Phen: Jul-Aug; Aug-Oct. Hab: Disturbed areas, roadsides. Dist: Native of e. Asia.

Origin/Endemic status: E. and se. Asia

Synonymy : = Il, K3, K4, NY, Va, Desjardins et al (2023); = Fallopia sachalinensis (F.Schmidt ex Maxim.) Ronse Decr. – FNA5, Mi, NE, Pa, Tn, Ronse De Craene & Akeroyd (1988); = Polygonum sachalinense F.Schmidt ex Maxim. – C, F, GrPl, K1, RAB, Tat, W, WV, Horton (1972), Mitchell & Dean (1978)

Links to other floras: = Fallopia sachalinensis - FNA5

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: UPL
  • Eastern Mountains and Piedmont: UPL
  • Great Plains: UPL
  • Midwest: UPL
  • Northcentral & Northeast: UPL

Heliophily : 6

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image of plant© Radford, Ahles and Bell | Original Image ⭷

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Horticultural Information

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