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; see vernal, -ate ¹) + -iōn- -ion

Example Sentences

See Examples For:

vernation

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

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

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 Asa Gray

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 Asa Gray

All genuine aquatic types have leaves involute in vernation?

From Journals of Travels in Assam, Burma, Bhootan, Afghanistan and the Neighbouring Countries by William Griffith