Definition of zygomorphic in English:

zygomorphic

adjective

Botany
  • (of a flower) having only one plane of symmetry, as in a pea or snapdragon; bilaterally symmetrical.

    Compare with actinomorphic
    • ‘Alternatively, the gynoecium of a zygomorphic flower can be on the median plane of the flower, but the entire flower can be oblique to the axillary plane.’
    • ‘The gynoecium is on the median plane of these zygomorphic flowers and not oblique as described in taxonomic literature.’
    • ‘It is a family of predominantly annual and perennial herbs with a semi-succulent habitus, which can be easily distinguished from other balsaminoids by its zygomorphic flowers with a spurred petaloid sepal.’
    • ‘For example, the weakly zygomorphic flower is scarlet, shows diurnal anthesis and has a backwardly curved labellum.’
    • ‘Floral examination revealed that flowers are zygomorphic, bisexual, and have a protruding style and terminal pollen-presenter surrounding the stigma.’

Pronunciation:

zygomorphic

/ˌzʌɪɡə(ʊ)ˈmɔːfɪk//ˌzɪɡə(ʊ)ˈmɔːfɪk/