| Name | Arisaema yamatense var. sugimotoi (Nakai) Kitamura |
| Authorship | (Nakai) Kitamura |
| Rank | Variety |
| Placed in | Arisaema yamatense (Nakai) Nakai |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Arisaema yamatense var. sugimotoi (Nakai) Kitamura |
| Identification made in | [no date] (4) |