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Variability of the essential oil of Viola etrusca
Guido Flamini1, Pier Luigi Cioni, Ivano Morelli
1Dipartimento di Chimica Bioorganica e Biofarmacia, Via Bonanno 33, 56126 Pisa, Italy. flamini@farm.unipi.it
Annals of Botany
|February 18, 2003
Abstract:
Essential oils obtained from different populations of Viola etrusca from Italy have been analysed to verify the phenotypic discontinuity observed in a previous study. All of the essential oils contained methyl salicylate as a main constituent. However, multivariate analysis showed differences among some populations, in particular between northern and southern ones. Results suggest that this species could be undergoing a slow schizogenetic differentiation process due to its genetic isolation.