Giant Knotweed

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Reynoutria sachalinensis

Giant Knotweed, a reference photo
Photo: Velocicaptor at en.wikipedia · Public domain

Reynoutria sachalinensis, the giant knotweed or Sakhalin knotweed (syns. Polygonum sachalinense, Fallopia sachalinensis), is a species of Fallopia native to northeastern Asia in northern Japan (Hokkaidō, Honshū) and the far east of Russia (Sakhalin and the southern Kurile Islands).

From Wikipedia, under CC BY-SA 4.0.

Is it poisonous?

We have no record of Giant Knotweed being toxic, poisonous or venomous. That is not proof that it is safe. Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.

Easily confused with

Classification

Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Caryophyllales
Family
Polygonaceae
Species
Reynoutria sachalinensis

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