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Ailanthus altissima

Basic information
Scientific name Ailanthus altissima

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ニワウルシ
Common names Tree of heaven, China sumac
Higher taxon Simaroubaceae, Sapindales, Magnoliopsida, Magnoliophyta
Natural range Continental China, Taiwan
Habitat Riverside with sunshine, roadside, urban area, etc.
Invasion information
Range in Japan Hokkaido, Gumma, Siatama, Kanagawa, Shizuoka, Aichi, Okayama, and Hiroshima Prefs. Range in Japan
Origin
Date Late 19 C.
Route Deliberate: For horticulture, as roadside tree. Also used for cultivation of silkworm (Samia cynthia)
Impact Competition with native plants along riverside. Allellopathy.
Affected organism: Native trees.
Regulation in Japan No action for prevention, mitigation, control, or eradication.
Introduced range in other countries Africa, North and South America, Australia, and Europe
Reference Notes
  • Brockman (1968) Trees of North America: a field guide to the major native and introduced species north of Mexico. Golden Press, NY.
  • Satake et al. (1989) Wild Flowers of Japan, Woody Plants [I]. Heibonsha, Tokyo (in Jpn)
  • etc.