SCIPRESS FORMA
Forma, Vol. 12 (No. 1), pp. 35-37, 1997
Original Paper

A Role of Fibonacci Numbers in Sunflower Patterns

Kazuo Azukawa

Department of Mathematics, Toyama University, Gofuku, Toyama 930, Japan

(Received June 17, 1996; Accepted July 10, 1996)

Keywords: Fibonacci Number, Sunflower, Spiral

Abstract. A proposition serving to simulate spiral lines in the sunflower seeds is proved. Fibonaccian pairs, whose multiplication gives a Fibonacci number, are shown to play an important role.