R. degronianum ssp degronianum 'Tahouzan'
Species selection of R. degronianum ssp degronianum
| Selected By | Japan |
| Introduced | 1977 |
| 10 Year Height | ? |
| Bloom Time | ? |
| Flower | ? |
| Flower Color | ? |
| Fragrance | ? |
| Leaves | ? |
| Leaf persistence | ? |
| Minimum Hardiness | ? |
| Registration | Unknown or not recorded |