R. 'yakushimanum x proteoides'
Rhododendron Hybrid
| Hybridized By | Unknown |
| Seed Parent | R. degronianum ssp yakushimanum |
| Pollen Parent | R. proteoides |
| 10 Year Height | ? |
| Bloom Time | ? |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | ? |
| Hardiness | ? |
| Status | Unregistered and unnamed cross. |