| Name | Begonia holtonis var. macrophylla L. B. Smith & B. G. Schubert |
| Authorship | L. B. Smith & B. G. Schubert |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Begonia holtonis A. de Candolle |
| GUID | urn:lsid:ipni.org:names:30638-2 |
| Citation | 1946 Caldasia 4: 187 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Begonia holtonis var. macrophylla L. B. Smith & B. G. Schubert |
| Identification made in | [no date] (1) |