Cardiocrinum cordatum Makino

in Japan, Shikoku, Omogo, May 2008 (picture 1)
in Japan, Honshu, Mt. Fuji, May 2008 (picture 2)
in Japan, Honshu, Kyoto, May 2008 (picture 3)
in Japan, Shikoku, Awaji Island, May 2008 (picture 4)
in Japan, Honshu, Aizu, June 2010 (picture 5)

Description in Bot. Mag. (Tokyo) 1913, xxvii. 124