A Grammatical Dictionary of Botanical Latin

actinomorphic, actinomorphous, radially symmetric, so that a line drawn through the middle of a structure along any plane will produce a mirror image on either side, regular; “capable of bisection through two or more planes into similar halves, as is a regular or radially symmetrical flower” (Fernald 1950); “radially symmetric; used of organisms, organs, or parts capable of division into essentially symmetrical halves by any longitudinal plane passing through the axis” (WIII): actinomorphicus,-a,-um (adj.A), actinomorphus,-a,-um (adj.A); see radial; see symmetric; see zygomorphic;

- flores actinomorphici, flowers actinomorphic.

Symmetria,-ae (s.f.I), radialis, abl. sg. symmetria radiali: radial symmetry: “having similar parts regularly arranged about a central axis (as in a starfish)” (WIII).