I'm really surprised that nobody picked up on the fact that sunflower seeds make neat spirals in the center of the flower. No takers?
Topic on Project talk:Proposal for changing logo of MediaWiki, 2020/Flow
If you find good and free vector spirals - I can made variant of "Proposal five" with it.
maybe something like this can work as a basis?
I taked old monochrome version, but (1) haven't manage to pick right colours, and (2) I think that smaller pieces inside with bigger outside fits better, (3) I was moving this inside a center of the flower, but it always seemed that center is not in the right place.