Invasion information |
Range in Japan |
Almost entire Japan including Okinawa |
|
Origin |
Unknown. |
Date |
Late 19C (1867-1885). |
Route |
Accidental: With pasture (at a pasture field in Sanrizuka, Chiba Pref.) |
Impact |
Competition with native plants and crops. Disturbance of pasturage by spine. Solanine (an alkaloid harmful to cattles). Parasite (insects, fungi, viruses). Native organism(s) affected: Native grasses, cattles, etc. |
Regulation in Japan |
Import of Solanacea plants from countries or areas with Ceratitis capitata, Leptinotarsa decemlineata, Globodera rostochiensis, Globodera pallida, Synchytrium endobioticum, or Peronospora tabacina is prohibited by the Plant Protection Law. Keeping this species is prohibited in Shiga Pref. Import to South Korea is prohibited. |
Introduced range in other countries |
Europe, Asia, Oceania |