Flowers for Fourier 2

Flowers for Fourier is from 99 Points of Intersection by Hans Walser, published by the Mathematical Association of America (June 15, 2006)

An 8-petaled flower

A 12-petaled flower

A 9-petaled flower

Intersections of the Flowers

Other Flowers With These Intersection Points

Any polar graph that has the form  will pass through these points.