Definition of "adnation" [ad•na•tion]

• The adhesion or cohesion of different floral verticils or sets of organs. (noun)

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• "The huge size of some trees has been, in some cases, attributed to the adnation of different stems."
• "The adnation of the peduncles of the inflorescences to the stem is typical in _Solanum_ and accidental in many other cases."
• "- Botany closely attached; related; grown together especially unusually. adnation, adonize v. - i. & t. ornament; adorn oneself (of men)."