| Name | Arisaema serratum var. atropurpureum Engler |
| Authorship | Engler |
| Rank | Variety |
| Placed in | Arisaema serratum (Thunberg) Schott |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Arisaema serratum var. atropurpureum Engler |
| Identification made in | [no date] (2) |