A figure resembling a daisy or sunflower in which copies of a geometric figure of increasing size are placed at regular intervals along a spiral.
The resulting figure appears to have multiple spirals spreading out from the center.
Dixon, R. "On Drawing a Daisy." §5.1 in Mathographics.
New York: Dover, pp. 122-143, 1991.Kabai, S. Mathematical Graphics
I: Lessons in Computer Graphics Using Mathematica. Püspökladány,
Hungary: Uniconstant, pp. 91-92 and 155, 2002.