vernation

American  

[ver-ney-shuhn] / vərˈneɪ ʃən /

noun

Botany.

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

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vernation British  

/ vɜːˈneɪʃən /

noun

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

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vernation Scientific  

/ vûr-nā′shən /

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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Etymology

Origin of vernation

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

Example Sentences

These are the buds readying for the circinate vernation that will slowly, like a graceful dancer, unfurl fiddleheads into this year’s new fronds.

From Seattle Times

And if a friend of yours has a lovely garden growing in the spring, you should probably compliment them on their impressive vernation.

From Time

Prothallus underground, not green, monœcious.—A small order, separated from Ferns on account of the different nature of the sporangia, the erect vernation, etc.

From Project Gutenberg

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

From Project Gutenberg

In the restoration one side is represented in vernation, and the other in fruit.

From Project Gutenberg