Oenothera laciniata

Basic information
Scientific name	Oenothera laciniata	Click to magnify
Common names	Cutleaf eveveningprimerose
Higher taxon	Onagraceae, Myrtales, Magnoliopsida, Magnoliophyta
Natural range	North America.
Habitat	Natural beach, crop field, some kind of farm area, rice field, sandy place, vacancy, waterfront.

Invasion information
Range in Japan	Honshu, Shikoku, and Kyushu
Origin	Unknown.
Date	Around 1910s.
Route	Unknown.
Impact	Competition, hybridization against native species. Native organism(s) affected: Native dune plants (competition)
Regulation in Japan	No action for prevention, mitigation, control, or eradication.
Introduced range in other countries	Africa, Asia

Reference	Notes
Osada (1976) Colored Illustrations of Naturalized Plants of Japan. Hoikusha, Tokyo (in Jpn) etc.