Reynoutria japonica
| Inflorescence | Flower |
| Recorded | 2006-09-09 |
| Location | Rothrist (Egg) AG-CH |
| Copyright | Florence Rüegger |
| Family | Polygonaceae |
| Neophyte | Yes |
| Blooming Period | july–september |
| Height | 50–300cm |
| References | en.wikipedia.org |
7 | 18