| Name | Trigonostemon sumatranus Pax & K. Hoffmann |
| Authorship | Pax & K. Hoffmann |
| Rank | Species |
| Placed in | Trigonostemon Blume |
| Citation | 1911 Pflanzenr. [Engler] IV. 147 III(Heft 47): 90 |
| Holdings | 26 Specimens held in the Harvard University Herbaria identified as Trigonostemon sumatranus Pax & K. Hoffmann |
| Identification made in | [no date] (26) |
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