R. smithii
Natural Hybrid
| Seed Parent | R. ponticum |
| Pollen Parent | R. arboreum ssp arboreum |
| Habitat | terrestrial |
| Bloom Time | ? |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | evergreen |
| Hardiness | ? |
| Seed Parent | R. ponticum |
| Pollen Parent | R. arboreum ssp arboreum |
| Habitat | terrestrial |
| Bloom Time | ? |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | evergreen |
| Hardiness | ? |