1) Actinoid 2) Actinomorphous 3) Having radial symmetry 
regular; radially symmetrical; may be bisected into similar halves in at least two planes. Generally applies to flowers in which the perianth segments within each whorl are alike in size and shape; compare irregular, regular, zygomorphic.
having radially arranged floral segments which are more or less equal in size and shape, referring to a flower, calyx or corolla. cf. zygomorphic
Actinomorphic flowers are plate, cup or bell shaped like Water Lilies, Poppies and Daffodils. When facing the flower, they can be seen to have more than one plane of symmetry.
radially symmetrical
<botany> Of flowers: symmetrical about more than one vertical plane. ... (09 Oct 1997) ... 
radially symmetrical
Radially symmetrical or having more than one plane of symmetry
Radially symmetrical or having more than one plane of symmetry
[adj] - (biology) capable of division into symmetrical halves by any longitudinal plane passing through the axis
actinomorphic Capable of being divided into equal halves along any diameter, as the flowers of the rose or tulip; radially symmetrical.
actinomorphous adjective capable of division into symmetrical halves by any longitudinal plane passing through the axis
having radial symmetry. · (of certain flowers, as the buttercup) divisible vertically into similar halves by each of a number of planes passing through the axis.