With this one I wasn't totally sure whether it was a spike or a root at first.
Looking at the picture made with macro lens it is now clear that the growth is indeed a new spike.
I am actually pretty excited about this spike and can't wait until it matures. There is a remainings of an old spike, but it was already spent when the plant came to me so I never saw the flowers.
The purple splotches on the plant are from the bright light. I noticed this habit on my cornu-cervi red too. To me it looks like someone spilled the purple ink all over the plant and then didn't clean it properly.