Projections of [phyllotaxis] patterns
The literature of phyllotaxis is full of baroque descriptions of the features of projections of patterns with golden ratio angles. In the pictures below, the nth point has position (√n{Sin[#], Cos[#]} &)[2π n GoldenRatio], and in such pictures regular spirals or parastichies emanating from the center are seen whenever points whose numbers differ by Fibonacci[m] are joined. Note that the tips of many growing stems seem to be approximately paraboloidal, making the nth point a distance √n from the center.
![Projections of [phyllotaxis] patterns image 1](/nks/notes/notes-8-6--projections-of-phyllotaxis-patterns/fig-a.png)