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 • Jan. 25, 2022

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 • Mar. 20, 2014

Equisetaceæ, 675 On the back or margin of fronds circinate in vernation.

From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Gray, Asa

Filices, 678 Bivalvular, in special spikes or panicles; fronds erect in vernation, from short erect rootstocks.

From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Gray, Asa

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

From Journal of an Overland Expedition in Australia : from Moreton Bay to Port Essington, a distance of upwards of 3000 miles, during the years 1844-1845 by Leichhardt, Ludwig