R. 'Esprit-de-Joie'
Vireya Hybrid
| Hybridized By | Rouse, J.L. |
| Seed Parent | R. konori var konori |
| Pollen Parent | R. laetum |
| Introduced | 1980 |
| 10 Year Height | ? |
| Bloom Time | ? |
| Flower | ? |
| Flower Color | ? |
| Fragrance | ? |
| Leaves | ? |
| Leaf persistence | ? |
| Plant Hardiness | ? |
| Flower Bud Hardiness |
? |
| Registration | Unknown or not recorded |