Very interesting Mark! it has a real fantasy feel to it, i'd call it "Castle in the Sky"

I saw these on the side of the road, so I stopped and got some shots and this is the best one. I didn't Notice this till PP but if you look from the bottom up you can see the stages of the flower.

Maximilian Sunflower (Helianthus Maximiliani) by Zachary Thompson, on Flickr