R. mucronulatum var mucronulatum 'Winter Brightness'
Species selection of R. mucronulatum var mucronulatum
| Selected By | unknown, 1957 |
| Subgenus | Rhododendron |
| Section | Rhododendron |
| Subsection | Rhodorastra |
| 10 Year Height | ? |
| Bloom Time | ? |
| Flower | ? |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | ? |
| Hardiness | ? |