K, thank you for your answer! I have no idea either, I still hope to trace the seller and maybe find it out this way.
Solay, I couldn't smell anything until now, but it went in bloom yesterday. Maybe there's a chance of perfume when flowers get more mature? I've got no idea, since I don't even know what it is. I have an alien in the house!!!
)
I can only tell you that I'm growing it on bark alone and it seems to like it, since it has two spikes. But I know this doesn't help with the ID...