| Name | Siphocampylus tuberculatus var. carmesinus E. Wimmer |
| Authorship | E. Wimmer |
| Rank | Variety |
| Placed in | Siphocampylus tuberculatus E. Wimmer |
| Citation | 1948 Ann. Naturhist. Mus. Wien 56:325 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Siphocampylus tuberculatus var. carmesinus E. Wimmer |
| Identification made in | [no date] (2), 2015 (2) |