I went outside today and took more pictures of the artichoke that I left to bloom. I found the center of the bloom raising above the outer edge.
From the top it appears that the individual stamens or pestles, which ever they are, are rotating around.
In this close up I noticed some white stuff I am thinking is pollen but not sure not knowing anything about artichoke flowers.
I think I will continue to take pictures as it develops just to see how it will end up looking.