R. mekongense var mekongense Melinanthum Group
Species
| Subgenus | Rhododendron |
| Section | Rhododendron |
| Subsection | Trichoclada |
| Bloom Time | ? |
| Flower | ? |
| Flower Color | ? |
| Leaves | ? |
| Winter Foliage | evergreen |
| Hardiness | ? |
|
|
|
| Subgenus | Rhododendron |
| Section | Rhododendron |
| Subsection | Trichoclada |
| Bloom Time | ? |
| Flower | ? |
| Flower Color | ? |
| Leaves | ? |
| Winter Foliage | evergreen |
| Hardiness | ? |
|
|
|