Cercidiphyllum japonicum Sieb. & Zucc.

Picture 1 in China, Sichuan, Wolong, June 2002
Picture 2 in China, Sichuan, Pujigou, May 2007
Picture 4 in Japan, Shikoku, Omogo, May 2008
Picture 5 in Japan, Honshu, Nikko, June 2010
Pictures 9, 10 & 11 in Japan, Tokyo, June 2010
Picture 12 in Japan, Honshu, Matsumoto, June 2010
Picture 13 in China, Sichuan, Pujigou, May 2007
(Pictures 14 & 15 : f.pendulum)