R. protistum var protistum
Species
| Botanical Synonyms | R. giganteum 
                            (Forrest, Tagg) R. giganteum var seminudum (Tagg, Forrest) | 
| Subgenus | Hymenanthes | 
| Section | Pontica | 
| Subsection | Grandia | 
| In cultivation since | 1918 | 
| First Described | 1920 (Balf.f.,Forrest) | 
| Origin | W. and N.W. Yunnan, S. E. Tibet, Arunachal Pradesh, N. Vietnam 2700-4000 meter | 
| Habitat | terrestrial | 
| 10 Year Height | ? | 
| Mature Wild Height | 1500 cm. (50ft.) | 
| Bloom Time | very early | 
| Flower | ? | 
| Predominant Colour | pink | 
| Leaves | ? | 
| Winter Foliage | evergreen | 
| Hardiness | H2 | 
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