R. sidereum
Species
| Subgenus | Hymenanthes |
| Section | Pontica |
| Subsection | Grandia |
| Introduced | 1919 |
| First Described | 1920 ( Balf.f. ) |
| Origin | Upper Burma, Arunachal Pradesh and Yunnan 2400-3700 meter |
| Epiphytic/Terrestrial | terrestrial |
| Mature Wild Height | 900 cm. (30ft.) |
| Bloom Time | ? |
| Flower | ? |
| Flower Color | cream |
| Fragrance | ? |
| Leaves | ? |
| Leaf persistence | Evergreen |
| Minimum Hardiness | 1 C (34 F) |
| Additional Hardiness Info |
H2 |
