| Name | Arisaema siamicum Gagnepain |
| Authorship | Gagnepain |
| Rank | Species |
| Placed in | Arisaema Martius |
| Citation | 1941 Notul. Syst. (Paris) 9: 127 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Arisaema siamicum Gagnepain |
| Identification made in | [no date] (2), 2022 (1) |