| Invasion information |
| Range in Japan |
Miyagi, Fukushima Prefs., and Kanto District to western Japan. |
|
| Origin |
Unknown. |
| Date |
Late 19C (1867-1885). |
| Route |
Deliberate: As roadside tree. |
| Impact |
Competition and hybridization with native species. Changing of food resource composition for fruit eating birds. etc. Native organism(s) affected: Native congener Ligustrum japonicum (hybridization), some other tree species (competition), fruit eating birds, etc. |
| Regulation in Japan |
Release of this species is prohibited in Aichi Pref. |
| Introduced range in other countries |
Unknown. |