R. macrophyllum 'Seven Devils'
Species selection of R. macrophyllum
| Selected By | Smith, B.M. |
| Introduced | 1987 |
| 10 Year Height | 150 cm. (5ft.) |
| Bloom Time | midseason |
| Flower | broadly funnel-shaped |
| Flower Color | ? |
| Fragrance | ? |
| Leaves | ? |
| Leaf persistence | ? |
| Minimum Hardiness | ? |
| Registration | Unknown or not recorded |
