vernation

From New Latin vernātiō, from Latin vernāre (“to be verdant, to flourish”) + -tiō (“-tion: forming abstract nouns”), from vernus (“springlike”) + -āre (“forming verbs”), ultimately from Proto-Indo-European *wósr̥. Equivalent to vernal +‎ -tion.

vernation (countable and uncountable, plural vernations)

1. The appearance of new leaves.
2. (botany) The arrangement of multiple organs (such as leaves and flower parts) within a bud.
3. (botany) Arrangement of only leaves within the bud; prefoliation.

• (appearance of new leaves): leafing

• prefloration
• prefoliation
• ptyxis

• “vernation”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.

• nervation

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vernation f (plural vernations)

1. vernation

• “vernation”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.