R. protistum var giganteum
Species
| Subgenus | Hymenanthes |
| Section | Pontica |
| Subsection | Grandia |
| Introduced | 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 |
| 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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