R. 'Pennywhistle'
Vireya Hybrid
| Hybridized By | Rouse, J.L. |
| Seed Parent | R. macgregoriae |
| Pollen Parent | R. bagobonum |
| Introduced | 1986 |
| 10 Year Height | 60 cm. (2ft.) |
| Bloom Time | ? |
| Flower | campanulate |
| Flower Color | ? |
| Fragrance | ? |
| Leaves | lanceolate |
| Leaf persistence | ? |
| Minimum Hardiness | ? |
| Registration | Unknown or not recorded |
