Abstract
The chemical indexes, suggested by Gottlieb et al., have not been used before regardingevolutionary tendency of species in the Swartzia genus. However, the importance of this work encour-
aged for an analysis of the Swartzia genus using the metabolites isolated from nine species. The analy-
sis, based on calculated chemical indexes, provided an evolutionary tendency for these plants, which
correlates with the classification based on morphological analysis.
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