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Sunflowers Turing and Fibonacci numbers....

I've always thought of nature as ordered and structured. Anything else would be dreadfully inefficient. The chaos and struggle exist at the margins.
It seems to me that snow flakes are a good example of underlying forces producing symetrical shapes. I'm not sure how gravity or lack of it affects 'Fibonacci' growth in sunflowers...? Without gravity their appearance may be much more random...

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