| Name | Begonia angustifolia Blume |
| Authorship | Blume |
| Rank | Species |
| Placed in | Begonia Linnaeus |
| Citation | 1827 Enum. Pl. Javae 1: 97 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Begonia angustifolia Blume |
| Identification made in | [no date] (2) |