Trillium tschonoskii Maxim.

in China, Yunnan, near Tuguancun, June 2002 (pictures 2, 3 & 4)
in Japan, Honshu, Mt.Fuji, May 2008 (pictures 5 & 6)
in Japan, Honshu, Kawaguchi lake, May 2008 (pictures 7 & 11)
in Japan, Honshu, Gomi Pond, June 2010 (pictures 8, 9 & 10)
in Japan, Honshu, Takayama, June 2010 (picture 12)