Primula japonica A. Gray

Pictures 1 to 10 in Japan, Honshu, Mt. Rokko, May 2008 (cultivated)
Pictures 11 & 12 in Japan, Honshu, Senjogahara, June 2010 (picture 10 : Primula are in center of picture)
Pictures 13 to 16 in Japan, Honshu, Chuzenji Lake, June 2010
Pictures 17 & 18 in Japan, Honshu, Irohazaka Slope, June 2010
Picture 21 in Japan, Honshu, Mt. Higashitate, June 2010

Description in Mem. Amer. Acad. Arts n.s., vi. (1858-59) 400