| Name | Trigonostemon longipedunculata (Elmer) Elmer |
| Authorship | (Elmer) Elmer |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Trigonostemon Blume |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Trigonostemon longipedunculata (Elmer) Elmer |
| Identification made in | [no date] (1), 1978 (1) |