| Name | Trigonostemon longipedunculatus (Elmer) Elmer |
| Authorship | (Elmer) Elmer |
| Rank | Species |
| Placed in | Trigonostemon Blume |
| Citation | 1911 Leafl. Philipp. Bot. 4: 1306 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Trigonostemon longipedunculatus (Elmer) Elmer |
| Identification made in | [no date] (6) |