Hosta sieboldiana (Lodd.) Engler (= H.glauca Stearn , H.liliiflora Fujita, H.montana Fujita)

Pictures 1, 2, 3 & 4 in Japan, Honshu, road to Takayama, June 2010
Picture 5 in a garden in Japan, Honshu, Kanazawa, June 2010

Description in Naturl. Pflanzenfam., 5:40 (1887)