(repeating from other thread): http://www.wolframscience.com/nksonline/page-410#previous http://www.wolframscience.com/nksonline/page-410#previous has something

(repeating from other thread): http://www.wolframscience.com/nksonline/page-410#previous http://www.wolframscience.com/nksonline/page-410#previous has something to say about how the golden ratio can pop out without being encoded directly in plant phylotaxis.