R. degronianum ssp yakushimanum 'Yakushima Tabata Shiro'
Species selection of R. degronianum ssp yakushimanum
| Selected By | Iwayama, S., 1979 | 
| Subgenus | Hymenanthes | 
| Section | Pontica | 
| Subsection | Pontica | 
| 10 Year Height | 60 cm. (2ft.) | 
| Bloom Time | ? | 
| Flower | campanulate | 
| Predominant Colour | ? | 
| Leaves | ? | 
| Winter Foliage | ? | 
| Hardiness | ? |