Ailanthus altissima

Basic information
Scientific name	Ailanthus altissima	Click to magnify
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.
Origin	Unknown.
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. Native organism(s) affected: 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.