actinomorphic

adjective

1. Biology. having radial symmetry.
2. Botany. (of certain flowers, as the buttercup) divisible vertically into similar halves by each of a number of planes passing through the axis.

adjective

1. botany (esp of a flower) having radial symmetry, as buttercupsSee also zygomorphic

1. Relating to a flower that can be divided into equal halves along any diameter; radially symmetrical. The flowers of the rose and tulip are actinomorphic. Compare zygomorphic.