Definition of enation in English:

enation

noun

Botany
  • An outgrowth from the surface of a leaf or other part of a plant:

    [as modifier] ‘pea enation virus’
    • ‘The erect portion of the stem bears paired enations, outgrowths which look like miniature leaves, but unlike true leaves, the enations have no vascular tissue.’
    • ‘Branches are covered in fine enations or hairs.’
    • ‘The current hypothesis for the origin of microphylls is called the enation theory, based on the idea that microphylls evolved through the vascularization of enations on the plant.’
    • ‘For late spring plantings of peas, use an enation virus-resistant variety that will remain productive when weather warms.’
    • ‘They probably developed leaves both by enations and by planation of a branching system.’

Origin

Mid 19th century: from Latin enatio(n-), from enasci issue forth.

Pronunciation:

enation

/ɪˈneɪʃ(ə)n/