Feelin’ Fibonacci

In this purple coneflower (Echinacea purpurea) seed head, the number of clockwise spirals is a Fibonacci number, as is the number of counterclockwise spirals. Fascinating!

purple coneflower

Taken May 2013 at the Fort Worth Botanic Garden. This DFW gem is also home to a beautiful Japanese garden.

Intrigued? Check out Gareth E. Roberts’ fantastic presentation, Fun with Fibonacci Numbers: Applications in Nature and Music.


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