involucrenounmasculinetécnico/ĩ.vuˈlu.kɾu/lowin·vó·lu·croPortuguesEnglishEspanolFrancaisDefinitionA structure that envelops or protects an organ or part of a plant, especially a group of bracts at the base of an inflorescence.The involucre protects the developing flower head.Botanists examine the involucre to classify certain plants.syninvolucrewrappersheathEtymologyDo latim 'involucrum'.Related wordsenvolverenvoltório