Binomial Name | Fallopia japonica (Houtt.) Ronse Decr. |
Family | Polygonaceae |
Common Names | Japanese knotweed |
Eastern Washington | Asian |
Conservation Status | |
Notes | Very aggressive weed; especially in riparian areas |
Click on any image to enlarge it.
![](https://test-inside.ewu.edu/ewflora/wp-content/uploads/sites/275/2023/03/fal_jap1_inf-1024x831.jpg)
![](https://test-inside.ewu.edu/ewflora/wp-content/uploads/sites/275/2023/03/fal_jap1_inf2.jpg)
![](https://test-inside.ewu.edu/ewflora/wp-content/uploads/sites/275/2023/03/fal_jap1_lvs-1024x946.jpg)
![](https://test-inside.ewu.edu/ewflora/wp-content/uploads/sites/275/2023/03/fal_jap1_lvsx-1024x873.jpg)
![](https://test-inside.ewu.edu/ewflora/wp-content/uploads/sites/275/2023/03/fal_jap1_lfvein.jpg)
![](https://test-inside.ewu.edu/ewflora/wp-content/uploads/sites/275/2023/03/fal_jap1_inf3.jpg)
![](https://test-inside.ewu.edu/ewflora/wp-content/uploads/sites/275/2023/03/fal_jap1_flrs.jpg)
![](https://test-inside.ewu.edu/ewflora/wp-content/uploads/sites/275/2023/03/fal_jap1_fs.jpg)
![](https://test-inside.ewu.edu/ewflora/wp-content/uploads/sites/275/2023/03/fal_jap1_flrcu.jpg)
![](https://test-inside.ewu.edu/ewflora/wp-content/uploads/sites/275/2023/03/fal_jap1_frt-1024x790.jpg)
![](https://test-inside.ewu.edu/ewflora/wp-content/uploads/sites/275/2023/03/fal_jap1_ach.jpg)
![](https://test-inside.ewu.edu/ewflora/wp-content/uploads/sites/275/2023/03/fal_jap1_ffrtcu.jpg)
Flora of Eastern Washington and Adjacent Idaho
Eastern Washington University
Binomial Name | Fallopia japonica (Houtt.) Ronse Decr. |
Family | Polygonaceae |
Common Names | Japanese knotweed |
Eastern Washington | Asian |
Conservation Status | |
Notes | Very aggressive weed; especially in riparian areas |
Click on any image to enlarge it.