Hosta rectifolia Nakai

from Japan, Kuni village, Azuma-gun, Gunma Pref.
Distribution : Japan (N.Honshu : Tohoku Distr.; S.Hokkaido : Hidaka Prov., Mt.Apoi near Urakawa), S.Kuriles, Ussuri

Description in Bot. Mag., Tokyo, 44:27 (1930)