| Name | Trigonostemon phyllocalyx Gagnepain |
| Authorship | Gagnepain |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Trigonostemon Blume |
| GUID | urn:lsid:ipni.org:names:358054-1 |
| Citation | 1925 Bull. Soc. Bot. France 72: 469 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Trigonostemon phyllocalyx Gagnepain |
| Identification made in | [no date] (2) |