Corydalis incisa Pers.

in Japan, Honshu, road to Mt. Rokko, May 2008 (pictures 1 to 4)
in Japan, Shikoku, Omogo, May 2008 (picture 5)
in Japan, Honshu, Nagano, June 2010 (pictures 6 & 7)
in Japan, Honshu, Chuzenji Lake, June 2010 (pictures 8 & 9)
in Japan, Honshu, Kawaguchi Lake, May 2008 (pictures 10, 11 & 12)
in Japan, Honshu, Ofuna, May 2008 (pictures 13 & 14)

Description in Syn. Pl. (Persoon) 2(1): 269 (1806)