Japanese cobra lily
Arisaema serratum (Thunberg) Schott [Araceae]
Mamushigusa (マムシグサ, 蝮草)
Life form: perennial forb
Distribution: China - Russia - Korea - Japan
Habitat: sunny and wet forests, including the edges
Poison: saponin-like substances
Chromosome number: 2n = 28
Synonyms
Arisaema angustatum Franch. et Sav. var. peninsulae (Nakai) Nakai ex Miyabe et Kudo
Arisaema japonicum Blume var. atropurpureum (Engl.) Kitam.
Arisaema serratum in Hokkaido
[Left] A shoot. [Right] Close-up. On Mount Hakodate on September 23 2010.