| Name | Rhododendron retusum var. trichostylum Sleumer |
| Authorship | Sleumer |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Rhododendron retusum (Blume) Bennett |
| Citation | 1960 Reinwardtia 5: 55 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Rhododendron retusum var. trichostylum Sleumer |
| Identification made in | [no date] (6) |