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Biosystematic and chemosystematic studies in five South American species of Conyza (Asteraceae)
Provedor de dados: 51
Autores: Urdampilleta,Juan D.; Amat,Aníbal G.; Bidau,Claudio J.; Kolb Koslobsky,Nicolás.
The composition of the essentials oils of five species of Conyza Less from Argentina was determined by Gas Chromatography-Mass Spectrometer. This composition is associated to morphological and cytogenetic characters. The monoterpenes constitute more than 60% of the essential oils in C. blakei, C glandulitecta, C. sumatrensis var. sumatrensis and C. sumatrensis var. floribunda, in which limonene is the predominant compound. In C. bonariensis and C. primulaefolia the monoterpene content constitute less than the 40%. C. bonariensis presents only 13% limonene, while in C. primulaefolia it is absent. The similarity analysis of monoterpenes showed a relationship between the morphological and cytogenetic analysis, and the monoterpene content character seems to be...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Essential oils; Chemosystematics; Morphology; Cytogenetics; Conyza; Asteraceae.
Ano: 2005
URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1851-23722005000100011