Parasite??

This sight made me jump, what is it? Turned out to ba an impatiens_glandulifera (balsamin) growing in the bark of an old tree. Where teh seed came from I have no idea because there was none close by. Maybe a bird placed it there, or a person thought if would be fun. Did get my attention at least.
The pic is taken with my old "pocketcamera" a Revio C2. My Canon:s electrical system is broken and the camera is in for, hopefully, repair.