Romanesco broccoli are natural examples of the Fibonacci sequence and fractals. Each small piece looks like the whole. Go on, take a closer look! A pop art style was used to echo the iterative, self-similar, fractal nature of the Romanesco broccoli.

New Romanesco buds emerging from the central meristem grow outward at an angle phi (golden ratio: 1.61803), forming logarithmic spirals. Each bud on each floret also follows this simple growing rule, leading to the overall self similar structure of this vegetable. In this specimen, there are thirteen loose spirals clockwise, and eight tighter spirals counterclockwise. When both spiral patterns are superimposed, Fibonacci tiling is revealed.

There are many such examples of plants growing with Fibonacci patterns (think of a sunflower) because phi, being an irrational number, will prevent overlapping, minimize gaps, and maximize usable space. The golden ratio (phi) is derived by finding the ratio between successive Fibonacci numbers (1, 1, 2, 3, 5, 8, 13, 21, 34, etc).

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