Adjective
capable of division into symmetrical halves by any longitudinal plane passing through the axis
Source: WordNetDescription The Rubiaceae are morphologically easily recognizable as a coherent group by a combination of characters: opposite leaves that are simple and entire, interpetiolar stipules, tubular sympetalous actinomorphic corollas and an inferior ovary. Source: Internet
Flowers Flowers of plants in the rose family are generally described as "showy". citation They are actinomorphic (i.e. radially symmetrical) and almost always hermaphroditic. Source: Internet
Disc florets are usually actinomorphic, with five petal lips on the rim of the corolla tube. Source: Internet