Cirsium purpuratum




Family Asteraceae (alt. Compositae)
Scientific name Cirsium purpuratum (Maximovicz) Matsumura
Synonyms Cirsium purpuratum (Maximovicz) Matsumura forma albiflorum (Kitamura) Kitamura; Cnicus purpuratus Maximovicz
Common name (Japanese common name) fuji-azami (フジアザミ, 富士薊 [meaning: Mt. Fuji azami (azami = thistle)])
(English common name) none
Distribution (Japan) Honshu (Kanto region, Central region)
(Other nations) none
Habitat Mountain slope or riverside
Chromosomal number unknown
Description Plants 50-100cm tall. Leaves 50-70cm long, hairy. Flowers 6.5-8.5cm across, purple or merely white (forma albiflorum) corollas 17-22mm long, flowering in August to October. Perennial plants.
Reference Lectotypification of Six Species and a New Species of Japanese Cirsium (Asteraceae)
Herbaceous perennials at scoria area on Mt. Fuji-Disturbance in scoria area and Cirsium purpuratum
Effects of variation in flower number on pollinator visits in Cirsium purpuratum (Asteraceae)
Size-dependent reproductive effort of giant thisle, Cirsium purpuratum, on lapilli desert.
Lipolysis acceleration method (US Patent 5698199/1997)



September 2008
at Koishikawa Botanical Garden
September 2008
at Koishikawa Botanical Garden