R. arboreum ssp cinnamomeum var cinnamomeum
Species
| Botanical Synonyms | R. campbelliae | 
| Subgenus | Hymenanthes | 
| Section | Pontica | 
| Subsection | Arborea | 
| First Described | 1930 (Lindl.) | 
| Origin | E. Nepal, Bengal, Sikkim 2750-3650 meter | 
| Habitat | terrestrial | 
| 10 Year Height | ? | 
| Mature Wild Height | 1500 cm. (50ft.) | 
| Bloom Time | ? | 
| Flower | tubular-campanulate | 
| Predominant Colour | pink | 
| Leaves | oblong-lanceolate | 
| Winter Foliage | evergreen | 
| Hardiness | H3 | 
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