Different substitution tendencies of leaf flavones in theVeronica hederifolia group (Scrophulariaceae) |
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| Authors: | Dr Dimitar R Peev |
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| Institution: | (1) Institute of Botany with Botanical Garden of the Bulgarian Academy of Sciences. ul. Akad. Bončev, BG-1113 Sofia, Bulgaria |
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| Abstract: | Flavonoid patterns of several provenances ofVeronica triloba, V. sublobata, andV. hederifolia s. str. have been investigated. 7-0-glucuronides of apigenin and luteolin as well as of 6-substituted (6-hydroxyluteolin
and hispidulin) and 3′-methylated (chrysoeriol) derivatives represent characteristic accumulation tendencies in theV. hederifolia group. The three species show slightly different flavonoid profiles.V. hederifolia exhibits a cumulative pattern of all compounds occurring either inV. triloba orV. sublobata, thus supporting the hypothesis of an allopolyploid origin ofV. hederifolia. |
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| Keywords: | Scrophulariaceae Veronica V hederifolia s l — Leaf flavones apigenin hispidulin luteolin chrysoeriol 6-hydroxy-luteolin 7-0-glucuronides infraspecific variability chemosystematics of microspecies |
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