Abstract
Leaf flavonoid chemistry of 22 taxa of Actinidia (Actinidiaceae) was studied. Flavonols predominated and the taxa studied were characterised by the presence of mono-, di- and in some cases, triglycosides. The taxa were distinguished from one another by their flavonoid profiles. Predominant glycosides were glucosides, galactosides, rhamnosides, rhamnoglucosides and rhamnogalactosides but not all glycosides were present in all taxa. C-Glycosylflavones were found in three species. Infrataxon variation was observed, e.g. A. polygama and A. arguta var. arguta. The genus has been subdivided on morphological grounds but large differences in flavonoid composition have shown up within all but one subdivision ( Leiocarpae Series Solidae). It is shown that flavonoid composition can be used to confirm the parentage of putative hybrids.
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