R. arborescens 'Ailsa'
Species selection of R. arborescens
| Selected By | Adams-Acton, G.M , London , England, 1952 |
| Subgenus | Pentanthera |
| Section | Pentanthera |
| Subsection | Pentanthera |
| 10 Year Height | ? |
| Bloom Time | ? |
| Flower | tubular funnel-shaped |
| Predominant Colour | ? |
| Leaves | ? |
| Winter Foliage | ? |
| Hardiness | ? |