R. sikkimense
Natural Hybrid
| Subgenus | Hymenanthes |
| Section | Pontica |
| Subsection | Thomsonia |
| Seed Parent | R. thomsonii ssp thomsonii |
| Pollen Parent | R. arboreum ssp arboreum |
| Bloom Time | ? |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | evergreen |
| Hardiness | ? |
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