Phyllotaxis: a non-conventional crystalline solution to packing efficiency in situations with radial symmetry

Sadoc, J.-F.; Rivier, N.; Charvolin, J.

doi:10.1107/S0108767312018910

Figure 7
Variation of the area of Voronoi cells for points between s = 34 and 2166. Colours correspond to the type of Voronoi cells. The area is close to the mean value $[\pi]$ with a = 1, rapid variations appear in rings of defects. Nevertheless these strong variations decrease as the area tends towards $[\pi]$ for large s.