家里长了这个东西，很容易搞坏地基，还会侵入邻家。有的地方会影响房地产价格。
这个植物嫩的时候可以吃，是一种野菜。
2014年，一个英国人觉得家里被它入侵，先杀妻，然后自杀。不过实际是此人自己瞎恐慌。
https://www.weedfree.co.uk/2014/04/japa ... tweed.html
Japanese Knotweed causes murder and suicide
Japanese KnotweedA Doctor battered his wife to death with bottle of perfume before killing himself because he was scared their home was blighted by Japanese Knotweed.
Kenneth McRae, 52, battered partner Jane, 55, as she lay in their bed. The laboratory technician, from West Midlands, then committed suicide. In a suicide note, he said the balance of his mind was 'disturbed' Coroner said Dr McRae had suffered from paranoia over the invasive weed Knotweed. But he said the weed had not been found on their property in Rowley Regis.
https://www.thetimes.co.uk/article/inva ... g69gq37rbq
In his suicide note, the lab technician wrote: “I believe I was not an evil man, until the balance of my mind was disturbed by the fact there is a patch of Japanese Knotweed which has been growing over our boundary fence on the Rowley Regis Golf Course.”
“Jane and I were a very private couple, we chose to have no real friends, just enjoying each other,” he continued. “But the despair has got so bad that today I have killed her, as I did…
