R. rugosum var rugosum
Species
| Subgenus | Rhododendron |
| Section | Vireya |
| Subsection | Euvireya |
| In cultivation since | 1964 |
| First Described | 1852 (Low) |
| Origin | Malaysia (Borneo), Mount Kinabalu, Mount Trus Madi and Mount Alab, 2000-3500 meter |
| Habitat | epiphytic+terrestrial |
| 10 Year Height | ? |
| Mature Wild Height | 700 cm. (23ft.) |
| Bloom Time | ? |
| Flower | tubular funnel-shaped |
| Predominant Colour | pink |
| Leaves | elliptic |
| Winter Foliage | evergreen |
| Hardiness | ? |
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