Oplopanax japonicus (Nakai) Nakai

in Japan, Honshu, Nagano, Mt. Higashidate, June 2010 (pictures 1 & 2)
in Japan, Honshu, road between Takayama and Matsumoto, June 2010 (pictures 3 & 4)
in Japan, Honshu, lake Yunoko, June 2010 (picture 5)
in Japan, Honshu, Nikko, June 2010 (cultivated) (picture 6)