# Sunflower Seed Arrangements

Sunflower Seed Arrangements

This Demonstration shows the distribution of sunflower seeds as a function of the number of seeds [1]. Generally, sunflowers have 800–2000 seeds. The function has the form , , where is the golden ratio and is an arbitrary constant (here ).

θ=n

2π

2

ϕ

r=c

n

ϕ

c

1