| Name | Rhododendron orthocladum var. longistyium Philipson & M. N. Philipson |
| Authorship | Philipson & M. N. Philipson |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Rhododendron orthocladum I. B. Balfour & Forrest |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Rhododendron orthocladum var. longistyium Philipson & M. N. Philipson |
| Identification made in | [no date] (2) |