How is the golden ratio present on the cosmo flower?

The golden ratio, approximately 1.618, is often found in nature, including in the arrangement of petals on flowers like the cosmos flower. The number of petals on many varieties of cosmos flowers often aligns with Fibonacci numbers, which are closely related to the golden ratio. This arrangement maximizes sunlight exposure and space for pollinators, demonstrating an efficient design in floral structure. Additionally, the overall proportions of the flower can exhibit the golden ratio in their dimensions, enhancing their aesthetic appeal.