Japanese knotweed
Japanese knotweed (Persicaria japonica) is a perennial herbaceous plant. It lives in Asian countries including Taiwan, Japan and southern China.[1][2]
Japanese Knotweed Media
This antique locomotive at Beekbergen, Netherlands, is overgrown by knotweed. A few years before, it was free of knotweed.
Seed removed from its achene
Japanese knotweed warning in Lahinch, Ireland
Japanese knotweed along the Cynwyd Heritage Trail.
References
- ↑ Yoshikane Iwatsubo. Polyploidy of Persicaria japonica (Polygonaceae) in Toyama Prefecture, central Japan. Journal of Phytogeography and Taxonomy 51 (2003). p. 59–61. Retrieved 2019-07-22.
- ↑ Persicaria japonica (Meisn.) H. Gross ex NakaiFlora of China.