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 |
| Leaves | ? |
| Winter Foliage | evergreen |
| Hardiness | H2 |
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