I'm only going to give you a few samples. I don't have time this afternoon do do a web page layout like I sometimes do.
First, a pink hibiscus:
And here's a close up of the pistil.
Then she moved over to a white hibiscus:
Don't you love the center?
And finally, here's a shot of a flower found in MOST back yards:
Most people try to get rid of the dandelions, but that bug sure seems to like this one.