R. liewianum
Natural Hybrid
| Subgenus | Rhododendron |
| Section | Vireya |
| Subsection | Euvireya |
| Seed Parent | R. rugosum var rugosum |
| Pollen Parent | R. stenophyllum |
| Bloom Time | ? |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | evergreen |
| Hardiness | ? |
| Subgenus | Rhododendron |
| Section | Vireya |
| Subsection | Euvireya |
| Seed Parent | R. rugosum var rugosum |
| Pollen Parent | R. stenophyllum |
| Bloom Time | ? |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | evergreen |
| Hardiness | ? |