| Name | Trigonostemon angustifolius Merrill |
| Authorship | Merrill |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Trigonostemon Blume |
| GUID | urn:lsid:ipni.org:names:357979-1 |
| Citation | 1922 Philipp. J. Sci. 20: 396 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Trigonostemon angustifolius Merrill |
| Identification made in | [no date] (5) |