The change this spell makes in the affected rose bush is genetic and inheritable.

This spell was created by the Guild Master of the Shadowed Eyes and she has shared it with no one.

Affliction [42] 
    Disadvantages [+21%] 
        Shadow Form [-20] 
        Separated Body Parts Fade [-1] 
            After three days, they fade to nothingness 
    Extended Duration (Permanent) [+300%] 
    Malediction (As Regular Spell) [+100%] 
    Based on Activation Roll [+5%] 
    Only Work on Rose Bushes [-80%] 
    Magical [-10%] 
    Spell Components [-20%] 
        Must say "shadow rose" in Latin 
        Must gesture with hands