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  3. Ammannia coccinea

Ammannia coccinea

Basic information
Scientific name Ammannia coccinea (No picture)
Common names Purple ammannia, Purple redstem
Higher taxon Lythraceae, Myrtales, Magnoliopsida, Magnoliophyta
Natural range North America.
Habitat Fallow rice field, rice field, swamp.
Invasion information
Range in Japan Middle to southwestern part of Japan mainland. Range in Japan
Origin Unknown.
Date The first record was in 1952, at Sasebo, Nagasaki Pref.
Route Accidental: details unknown.
Impact Competition with native species and rice plant.
Native organism(s) affected: Native grasses, rice plant.
Regulation in Japan No action for prevention, mitigation, control, or eradication.
Introduced range in other countries South Amrica, Asia, N Africa, S Europe, Pacific Islands.
Reference Notes
  • Osada (1976) Colored Illustrations of Naturalized Plants of Japan. Hoikusha, Tokyo (in Jpn)
  • Satake et al. (1982) Wild Flowers of Japan, Herbaceous Plants [II]. Heibonsha, Tokyo (in Jpn)
  • Shimizu (ed) (2003) Naturalized Plants of Japan. Heibonsha, Tokyo (in Jpn)
  • etc.