Fibonacci number - Wikipedia, the free encyclopedia.Yellow Chamomile head showing the arrangement in 21 (blue) and 13 (aqua) spirals. Such arrangements involving consecutive Fibonacci numbers appear in a wide variety of plants.
Spiral Fantasy ___ by Alfred Laing ___ Fractals are so purty! Here are the winners of the 2007 Second International Benoit Mandelbrot Fractal Art Contest, which was named after the Father of Fractal Geometry himself
Spiral Pattern in Pine Cone Pine cones are a classic example of the logarithmic or equiangular spiral in nature. This is from a Short-leaf pine. These spirals form from processes where there is turning at a constant angle but accelerating growth.