| Name | Begonia tricornis Ridley |
| Authorship | Ridley |
| Rank | Species |
| Placed in | Begonia Linnaeus |
| Citation | 1917 J. Straits Branch Roy. Asiat. Soc. 75: 35 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Begonia tricornis Ridley |
| Identification made in | [no date] (1) |