R. protistum var giganteum
Species
| Subgenus | Hymenanthes | 
| Section | Pontica | 
| Subsection | Grandia | 
| In cultivation since | 1918 | 
| First Described | 1920 (D.F. Chamb.) | 
| Origin | W. and M.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 | obliquely campanulate | 
| Predominant Colour | pink | 
| Leaves | elliptic to oblanceolate | 
| Winter Foliage | evergreen | 
| Hardiness | H2 | 
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