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vernation

[ ver-ney-shuhn ]

noun

, Botany.
  1. the arrangement of the foliage leaves within the bud.


vernation

/ vɜːˈneɪʃən /

noun

  1. the way in which leaves are arranged in the bud
“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

/ vûr-nāshən /

  1. 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.


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Word History and Origins

Origin of vernation1

1785–95; < New Latin vernātiōn- (stem of vernātiō ), equivalent to Latin vernāt ( us ) (past participle of vernāre to be verdant; vernal, -ate 1 ) + -iōn- -ion
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Word History and Origins

Origin of vernation1

C18: from New Latin vernātiō, from Latin vernāre to be springlike, from vēr spring
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Example Sentences

Grew deals also with the vernation of leaves, and methods of bud protection.

Ferns, with fronds circinate in vernation, bearing the fructification on the under surface or beneath the margin.

Its leaves, however, had neither the vernation nor the pellucid dots of Myrtaceous trees.

All genuine aquatic types have leaves involute in vernation?

In spring the terminal buds of saplings best show the peculiarity of the tree's vernation.

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vernal poolVernazza