| Family | Araceae |
| Subfamily | Aroideae |
| Tribe | Arisaemateae |
| Scientific name | Arisaema undulatifolium Nakai |
| Synonyms | Arisaema nambae Kitamura; Arisaema limbatum Nakai & F. Maekawa ex Maekawa var. aequinoctiale (Nakai & F. Maekawa ex F. Maekawa) S. Serizawa; Arisaema serratum Schott var blumei Makino; Arisaema serratum Schott var thunbergii Makino; Arisaema undulatifolium Nakai forma serrulatum Sugimoto |
| Common name | (Japanese common name) higan mamusi-gusa (ヒガンマムシグサ, 彼岸蝮草 [meaning: equinox pit viper weed]) |
| (English common name) none | |
| Distribution | (Japan) Honshu (west of Kanto region), Shikoku |
| (Other nations) none | |
| Chromosomal number | unknown |
| Description | Flowers flowering in March to April. Perennial plants. |
| Reference | International Ariod Society: The Arisaema Species |
| February 2007 at Tsukuba Botanical Garden |
February 2007 at Tsukuba Botanical Garden |
February 2007 at Tsukuba Botanical Garden |