Japan Flora: Smaller; leaves several, rather long-petioled, the blades narrowly ovate to narrowly ovate-oblong, 10-20 cm. long, 7-12 cm. wide, obtuse, cordate or nearly so, usually green, rarely variegated (forma variegata T. Koyama. Fuiri- hime-zazen-so) ; flowering after the leaves; spathe broadly elliptic, tinged with dark brown-purple; fruit ripening the second spring. July. Wet places.
Hokkaido, Honshu (Chiigoku Distr. and eastw.). n. Korea.