R. obtusum
Natural Hybrid
| Subgenus | Tsutsusi |
| Section | |
| Subsection | |
| Seed Parent | R. kiusianum var kiusianum |
| Pollen Parent | R. kaempferi |
| 10 Year Height | ? |
| Bloom Time | ? |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | evergreen |
| Hardiness | ? |
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| Subgenus | Tsutsusi |
| Section | |
| Subsection | |
| Seed Parent | R. kiusianum var kiusianum |
| Pollen Parent | R. kaempferi |
| 10 Year Height | ? |
| Bloom Time | ? |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | evergreen |
| Hardiness | ? |
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