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Helianthus tuberosus

Basic information
Scientific name Helianthus tuberosus

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キクイモ
Common names Jerusalem artichoke
Higher taxon Asteraceae, Asterales, Magnoliopsida, Magnoliophyta
Natural range North America.
Habitat Farm area, fruit garden, roadside, vacancy, grassland, etc.
Invasion information
Range in Japan Almost entire Japan Range in Japan
Origin Unknown.
Date Introduced since 1895
Route Deliberate: As ingredient of alcohol and inulin, for cattle food, as ornamental plant, etc.
Impact Actually: Competition with native grasses and crops.
Potentially: Parasite (insects, fungi)
Affected organism: Native plants (especially riverside species), crops.
Regulation in Japan No action for prevention, mitigation, control, or eradication.
Introduced range in other countries South America, Europe, Asia, Oceania
Reference Notes
  • Osada (1976) Colored Illustrations of Naturalized Plants of Japan. Hoikusha, Osaka (in Jpn)
  • Shimizu (ed) (2003) Naturalized Plants of Japan. Heibonsha, Tokyo (in Jpn)
  • etc.