(top) What tells us a young Sunflower plant? After the cotyledons gave way to the thickening stem, several pairs of opposite leaves arise. In fact, the tiny flower head has already got it's entire pattern. And why seems the back of an impressive stacking by many hundreds of seeds to be flowing? How do the spirals arise? Why are their numbers 98% predictable, defining the Fibonacci series? Why show ray flowers deviations around these numbers?