Flowers with radial symmetry and parts arranged at one level; with definite numbers of parts and size; e.g., Anemone, Caltha.
With radially arranged perianth parts; ray-like figure.
a. (Gr. aktis, ray; morphe, form) descriptive of a flower or set of flower parts which can be cut through the center into equal and similar parts along two or more planes; having radial symmetry.
capable of division into symmetrical halves by any longitudinal plane passing through the axis
When a flower can be vertically split through the center in any one of several planes to produce identical parts in every case, and possesses Radial Symmetry.
Look up "actinomorphic" at the ANBG . Radially symmetrical, usually said of a flower. Flowers in the aster family Asteraceae are actinomorphic, such as Camphorweed Heterotheca subaxillaris. Contrast with zygomorphic.
of a flower or calyx or corolla, radially symmetrical; symmetrical about more than one plane passing through the axis of the flower. cf. peloric, zygomorphic.
Of flowers, radially symmetrical; symmetrical about more than one plane passing through the axis of the flower, like a star. Parent Term: Symmetry Difficulty Level
radially symmetrical on a single plane