| Name | Begonia thyrsoidea Irmscher |
| Authorship | Irmscher |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Begonia Linnaeus |
| GUID | urn:lsid:ipni.org:names:105877-1 |
| Citation | 1949 Bot. Jahrb. Syst. 74: 610 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Begonia thyrsoidea Irmscher |
| Identification made in | 1967 (2) |