Caractéristiques
Botanique
| Genus | Rosa |
| Species | rugosa |
| Cultivar | 'Spekjam' |
| Nom commercial | Jam-a-licious (PBR) |
Rosa rugosa 'Spekjam' JAM-A-LICIOUS (PBR) is subject to European Plant Breeders Rights under nr. False.
Asexual propagation and/or use of the trademark without license are prohibited.