Datura stramonium

Basic information
Scientific name	Datura stramonium	Click to magnify
Common names	Jimsonweed, Common thornapple
Higher taxon	Solanaceae, Solanales, Magnoliopsida, Magnoliophyta
Natural range	North America.
Habitat	Farm area, fruit garden, pasture, lawn field, roadside, vacancy, etc.

Invasion information
Range in Japan	Almost entire Japan
Origin	Unknown.
Date	Introduced in ca. 1870. Spread since 1940s
Route	Deliberate: As ornamental plant and for medical use. Accidental: With imported grain.
Impact	Competition with native species and crops. Disturbance of cattle by unpleasant odor. Allelopathy. Parasite (insects, nematodes, fungi, viruses). Native organism(s) affected: Native grasses, crops, cattle, 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.
Introduced range in other countries	South America, Africa, Europe, Asia, Oceania

Reference

Notes

Hotta et al. (1989) Useful Plants of the World. Heibonsha, Tokyo (in Jpn)
Jpn Assoc Advanc Phyto-Regul & Inst Contr Agrochem, Minist Agr, China (2000) Chinese Colored Weed Illustrated Book. Zenkoku-Noson-Kyoiku-Kyokai, Tokyo
Osada (1976) Colored Illustrations of Naturalized Plants of Japan. Hoikusha, Osaka (in Jpn)
Satake et al. (1981) Wild Flowers of Japan, Herbaceous Plants [III]. Heibonsha, Tokyo (in Jpn)
Shimizu (ed) (2003) Naturalized Plants of Japan. Heibonsha, Tokyo (in Jpn)
etc.