| Name | Trigonostemon longifolius (Wallich) Baillon |
| Authorship | (Wallich) Baillon |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Trigonostemon Blume |
| Holdings | 21 Specimens held in the Harvard University Herbaria identified as Trigonostemon longifolius (Wallich) Baillon |
| Identification made in | [no date] (20), 1922 (1) |