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.
See also Phyllotaxis, Spiral, Swirl, Whirl
Dixon, R. ``On Drawing a Daisy.'' §5.1 in Mathographics. New York: Dover, pp. 122-143, 1991.