| Invasion information |
| Range in Japan |
Kanto District to western Japan. There are records on occurrence in Akita Pref. |
|
| Origin |
Unknown. |
| Date |
Around 1860s-1880s. The first report was in 1884. |
| Route |
Deliberate: as ornamental plant |
| Impact |
Competition with native and crop species Native organism(s) affected: Native and crop plants. |
| Regulation in Japan |
No action for prevention, mitigation, control, or eradication. |
| Introduced range in other countries |
Temperate region in Asia, Africa, Oceania, North and Latin America. |