Ipomoea hederacea

Basic information
Scientific name	Ipomoea hederacea	Click to magnify
Major synonym	Pharbitis hederacea
Common names	Ivyleaf morning glory
Higher taxon	Convolvulaceae, Solanales, Magnoliopsida, Magnoliophyta
Natural range	Tropical America
Habitat	Roadside, riverside, etc.

Invasion information
Range in Japan	Hokkaido, many parts of Honshu, Shikoku, Kyushu, and Okinawa.
Origin	Unknown.
Date	After W. W. II, by 1971
Route	Accidental: With imported foods after W. W. II. Deliberate: For horticulture in late 19 C
Impact	Potentially: Carrying some agricultural pests (Cylas formicarius and Euscepes postfasciatus ) Native organism(s) affected: Crop plants.
Regulation in Japan	Import of the genus Iomoea from the countries with Cylas formicarius Euscepes postfasciatus to Japan is prohibited by the Plant Protection Act.
Introduced range in other countries	India, Southeast Asia

Reference	Notes
Ecol Soc Jpn (ed) (2002) Handbook of Alien Species in Japan. Chijinshokan, Tokyo (in Jpn) Ogaito, H. (2009, pers. comm., on distribution and microhabitat in Nishinomiya, Hyogo Pref.) Osada (1976) Colored Illustrations of Naturalized Plants of Japan. Hoikusha, Tokyo (in Jpn) Plant Protection Station (http://www.pps.go.jp/english/index.html) etc.