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Datura stramonium

Basic information
Scientific name Datura stramonium

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ヨウシュチョウセンアサガオ
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 Range in 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).
Affected organism: 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.