| Name | Rhododendron malayanum f. latifolium Sleumer |
| Authorship | Sleumer |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Rhododendron malayanum Jack |
| Citation | 1960 Reinwardtia 5: 103 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Rhododendron malayanum f. latifolium Sleumer |
| Identification made in | [no date] (1) |