Meaning of actinomorphic in English:


Pronunciation /ˌaktɪnə(ʊ)ˈmɔːfɪk/


  • Characterized by radial symmetry, such as a starfish or the flower of a daisy.

    Compare with zygomorphic

    ‘Determining the orientation of an actinomorphic flower seems impossible in ebractate taxa.’
    • ‘The large, showy flowers are actinomorphic, with a bowl-shaped corolla made up of 5-8 pinkish-red petals.’
    • ‘This group is composed by eight species belonging to four families with nectarless, dish-shaped and actinomorphic flowers, which are showy, and yellow- or pink-colored.’
    • ‘The actinomorphic, tubular flowers of both species are pale blue to mauve, with epipetalous anthers.’
    • ‘Flowers are usually showy, bisexual and actinomorphic or nearly so.’


Late 19th century from Greek aktis, aktin- ‘ray’ + morphē ‘form’ + -ic.