R. degronianum ssp heptamerum 'Miyo-no-hana'
Species selection of R. degronianum ssp heptamerum
| Selected By | Yamamoto, K |
| Introduced | 2001 |
| 10 Year Height | ? |
| Bloom Time | ? |
| Flower | ? |
| Flower Color | ? |
| Fragrance | ? |
| Leaves | ? |
| Leaf persistence | ? |
| Minimum Hardiness | ? |
| Registration | Unknown or not recorded |