Japanese Knotweed

Fallopia japonica

Summary 6

Fallopia japonica, commonly known as Japanese knotweed, is a large, herbaceous perennial plant of the family Polygonaceae, native to Eastern Asia in Japan, China and Korea. In North America and Europe the species is very successful and has been classified as an invasive species in several countries. Japanese knotweed has hollow stems with distinct raised nodes that give it the appearance of bamboo, though it is not closely related. While stems may reach a maximum height...

Sources and Credits

  1. (c) Andreas Rockstein, some rights reserved (CC BY-SA), https://www.flickr.com/photos/74738817@N07/29343475553/
  2. (c) Marie Studer, some rights reserved (CC BY), uploaded by Marie Studer
  3. (c) Andreas Rockstein, some rights reserved (CC BY-SA), https://www.flickr.com/photos/74738817@N07/29183871490/
  4. (c) Andreas Rockstein, some rights reserved (CC BY-SA), https://www.flickr.com/photos/74738817@N07/30840947325/
  5. (c) Andreas Rockstein, some rights reserved (CC BY-SA), https://www.flickr.com/photos/74738817@N07/29343467173/
  6. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Fallopia_japonica

More Info

iNat Map

Status non-native
Leaf type simple
Arrangement alternate
Color white
Form herbaceous