Carpinus tschonoskii Maxim.
Pictures 1, 2 & 3 in South Korea, Jirisan, September 2011
Pictures 6, 7, 8 & 9 in Japan, Honshu, Ofuna, May 2008
Pictures 6, 7, 8 & 9 in Japan, Honshu, Ofuna, May 2008
Description in Bull. Acad. Petersb. xxvii. (1881) 534 &