| Invasion information |
| Range in Japan |
Ogasawara (Bonin) Islands (Chichijima, Hahajima, Anijima, and Ototojima Is.), Okinawa |
|
| Origin |
Unknown. |
| Date |
Imported to Japan ca. 1865 |
| Route |
Deliberate: As ornamental plant. In Southeast Asia, fruit of this species is used as a spice. |
| Impact |
Competition. Toxic. Host for some insects and fungi. Native organism(s) affected: Native grasses, pasture plants (competition). |
| Regulation in Japan |
No action for prevention, mitigation, control, or eradication. |
| Introduced range in other countries |
Cultivated worldwide. |