R. werei
Natural Hybrid
| Seed Parent | R. arboreum ssp arboreum |
| Pollen Parent | R. thomsonii ssp thomsonii |
| First Described | 1921 ( Bean ) |
| Bloom Time | ? |
| Flower | ? |
| Flower Color | ? |
| Leaves | ? |
| Winter Foliage | evergreen |
| Hardiness | ? |
| Seed Parent | R. arboreum ssp arboreum |
| Pollen Parent | R. thomsonii ssp thomsonii |
| First Described | 1921 ( Bean ) |
| Bloom Time | ? |
| Flower | ? |
| Flower Color | ? |
| Leaves | ? |
| Winter Foliage | evergreen |
| Hardiness | ? |