[ver-ney-shuh n]

noun Botany.

the arrangement of the foliage leaves within the bud.

Origin of vernation

1785–95; < New Latin vernātiōn- (stem of vernātiō), equivalent to Latin vernāt(us) (past participle of vernāre to be verdant; see vernal, -ate1) + -iōn- -ion Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for vernation

Historical Examples of vernation

British Dictionary definitions for vernation



the way in which leaves are arranged in the bud

Word Origin for vernation

C18: from New Latin vernātiō, from Latin vernāre to be springlike, from vēr spring
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

vernation in Science



The arrangement of young foliage leaves within a bud. The coiled arrangement of young leaves in fern fiddleheads is known as circinate vernation and protects the delicate leaf tips as they develop.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.