vernation

[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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for vernation

Historical Examples of vernation

Convolute, rolled up lengthwise, as the leaves of the Plum in vernation, 72.
The Elements of Botany
Asa Gray
Involute, in vernation, 72; rolled inwards from the edges, 97.
The Elements of Botany
Asa Gray
Grew deals also with the vernation of leaves, and methods of bud protection.
Makers of British Botany; a collection of biographies by living botanists
Various
In spring the terminal buds of saplings best show the peculiarity of the tree's vernation.
Trees Worth Knowing
Julia Ellen Rogers
In vernation the apex of each segment is bent down with a slight curve inward.
The Fern Lover's Companion
George Henry Tilton

British Dictionary definitions for vernation

vernation

noun

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

vernation

[vûr-nā′shən]

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.