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单词 Convolute vernation
释义

Convolute vernation

英语百科

Vernation

This fern is producing a new frond by the process of circinate vernation.
This hosta leaf is produced by convolute vernation.
These cycad leaves are produced by involute vernation.

Vernation (from vernal meaning spring, since that is when leaves spring forth in temperate regions) is the formation of new leaves or fronds. In plant anatomy, it is the arrangement of leaves in a bud.

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