Boehmeria tricuspis (Hance) Makino

Pictures 1 & 2 in Japan, Honshu, Ainokura, June 2010
Picture 3 in Japan, Honshu, Nagano, June 2010
Picture 4 in Japan, Honshu, Nikko, June 2010
Pictures 5 & 6 in Japan, Honshu, Kawaguchi Lake, May 2008

Publication in Bot. Mag. (Tokyo). 26: 387 (1912)