A quick DoyleSpiral node, with centers feeding Voronoi node.
Patterns vary with changing p and q and minMode and maxMode.
There would be a center zone to delete, and lines to delete outside of an outer circumference.
I'm out of posting memory, or would show a png :-(

- Brian


Geometrical study of phyllotactic patterns by Bernoulli
spiral lattices:
https://onlinelibrary.wiley.com/doi/pdf/10.1111/dgd.12378
This paper has voronoi spiral tilings, etc.

https://arxiv.org/abs/2006.16757

http://archive.bridgesmathart.org/2014/bridges2014-397.pdf