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.2013 Jun 14;110(24):248104.
doi: 10.1103/PhysRevLett.110.248104. Epub 2013 Jun 13.

Phyllotaxis, pushed pattern-forming fronts, and optimal packing

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Phyllotaxis, pushed pattern-forming fronts, and optimal packing

Matthew Pennybacker et al. Phys Rev Lett..

Abstract

We demonstrate that the pattern forming partial differential equation derived from the auxin distribution model proposed by Meyerowitz, Traas, and others gives rise to all spiral phyllotaxis properties observed on plants. We show how the advancing pushed pattern front chooses spiral families enumerated by Fibonacci sequences with all attendant self-similar properties, a new amplitude invariant curve, and connect the results with the optimal packing based algorithms previously used to explain phyllotaxis. Our results allow us to make experimentally testable predictions.

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