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The arrangement of the young leaves within a bud.

[New Latin vērnātiō, vērnātiōn-, from Latin vērnātus, past participle of vērnāre, to flourish, from vērnus, vernal; see vernal.]


(Botany) the way in which leaves are arranged in the bud
[C18: from New Latin vernātiō, from Latin vernāre to be springlike, from vēr spring]


(vərˈneɪ ʃən)

the arrangement of the foliage leaves within a bud.
[1785–95; < New Latin vernātiō= Latin vernā(re) to show signs of spring, bud, derivative of vernus (see vernal) + -tiō -tion]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.vernation - (botany) the arrangement of young leaves in a leaf bud before it opensvernation - (botany) the arrangement of young leaves in a leaf bud before it opens
phytology, botany - the branch of biology that studies plants
arrangement - an orderly grouping (of things or persons) considered as a unit; the result of arranging; "a flower arrangement"
leaf bud - a bud from which leaves (but not flowers) develop
References in periodicals archive ?
Most plants that have circinate vernation of the leaves produce crosiers that roll toward the adaxial surface of the frond.
Sporophytes arose from these buds in a few days, with young pinnate fronds, which started to quickly grow, showing circinate vernation (Fig.
The study found that the arm-like projections within the epidermis develop when the leaves are young and still exhibit circinate vernation.