Aralia cordata Thunb.

in Japan, Honshu, Kyoto, May 2008 (picture 1)
in Japan, Honshu, Fuji area, May 2008 (picture 2)
in South Korea, Gayasan, September 2011 (pictures3 & 4)
in Japan, Honshu, Ainokura, June 2010 (picture 7)

Publication in Fl. Jap. (Thunberg) 127 (1784)