The Fibonacci spiral: an approximation of the golden spiral created by drawing circular arcs connecting the opposite corners of squares in the Fibonacci tiling;

"Hokusai Meets Fibonacci Golden Ratio" by Ars Brevis This is an example of the golden ratio. The wave creates the curved effect which is pleasing to the eye. It has a rhythm to it, like you are counting up to the curve of the wave.

Sacred-Geometry-Golden-Ratio-Spiral-of-Life-Nature-Fibonacci-Sunflower-whorl-Craft-Group-Weaving-CastleofCostaMesa.

Designer’s guide to the Golden Ratio / Fibonacci Sequence. This stuff is important for hierarchy and proportion in your design

Fibonacci in Spiral Aloe: Aloe polyphylla. Leaves form a unique clockwise or counter-clockwise geometric spiral-pattern as the plant ages.

Golden Mean or Fibonacci series. The number of clockwise and counterclockwise spirals in a sunflower are always two consecutive Fibonacci numbers.