How Romanesco cauliflower forms its spiraling fractals

By tweaking just three genes in a common lab plant, scientists have replicated the pattern

Romanesco cauliflower

Romanesco cauliflower (shown) exhibits one of nature’s most stunning fractal displays.

Aurelien Guichard/Flickr (CC BY-SA 2.0)

The swirling green cones that make up the head of Romanesco cauliflower also form a fractal pattern — one that repeats itself on multiple scales.