Definition of vernation in English:

vernation

Syllabification: ver·na·tion
Pronunciation: /vərˈnāSHən
 
/

noun

Botany
The arrangement of young leaves in a leaf bud before it opens. Compare with estivation.
More example sentences
  • Leaf vernation was observed in at least ten buds per entity, manually dissected under a stereomicroscope.
  • Recently, a third type of leaf vernation has been shown to occur in Primula.
  • This plant also has a folded vernation and a very smooth leaf blade.

Origin

late 18th century: from modern Latin vernatio(n-), from Latin vernare 'to grow (as in the spring)', from vernus (see vernal).

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