The genes that cause Romanesco, a kind of cauliflower, to grow in a fractal pattern have been identified. “we found that curd self-similarity arises because the meristems fail to form flowers but keep the ‘memory’ of their transient passage in a floral state. Additional mutations affecting meristem growth can induce the production of conical structures reminiscent of the conspicuous fractal Romanesco shape. This study reveals how fractal-like forms may emerge from the combination of key, defined perturbations of floral developmental programs and growth dynamics.”

It’s the fact that this gene appears to function in other plants, though, that is blowing my mind. Give this technique another 10 or 20 years, and the resulting experiments—and the subsequent landscapes—seem endless, from gardens of infinitely self-similar roses and orchids to forests populated by bubbling forms of fractal pines, roiling oaks, and ivies.

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