R. surasianum
Species
| Subgenus | Rhododendron |
| Section | Rhododendron |
| Subsection | Maddenia |
| Origin | Thailand 1400-1600 meter |
| Habitat | terrestrial |
| Mature Wild Height | 900 cm. (30ft.) |
| Bloom Time | midseason |
| Flower | ? |
| Predominant Colour | white |
| Leaves | ? |
| Winter Foliage | evergreen |
| Hardiness | ? |