enation
/ɪˈneɪʃ(ə)n
/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.
- 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.
- 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'.
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