| Name | Trigonostemon merrilianus Airy Shaw |
| Authorship | Airy Shaw |
| Rank | Species |
| Placed in | Trigonostemon Blume |
| Citation | 1971 Kew Bull. 25: 549 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Trigonostemon merrilianus Airy Shaw |
| Identification made in | [no date] (1) |