The Golden Ratio - Achillea ptarmica (sneezewort) The association of Fibonacci numbers and plants is not restricted to numbers of petals. Here we have a schematic diagram of a simple plant, the '
The life and numbers of Fibonacci | plus.maths.org
Mathematics of leaves | The University of Tokyo
Geometry in Nature: the Fibonacci Sequence - Villa di Maria Montessori School Blog
Fibonacci Spirale in der Natur golden Messung in einer Anmeldung junge Banana leaf Stockfotografie - Alamy