R. rarum
Species
| Subgenus | Rhododendron |
| Section | Vireya |
| Subsection | Euvireya |
| In cultivation since | 1961 |
| First Described | 1918 (Schltr.) |
| Origin | Papoa New Guinea (E) Central and Bismarck Ranges |
| Habitat | terrestrial |
| 10 Year Height | ? |
| Bloom Time | ? |
| Flower | tubular |
| Predominant Colour | red |
| Leaves | narrowly elliptic |
| Winter Foliage | evergreen |
| Hardiness | ? |
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