The conformations of minimum total energy of bi-, tri-, and poly-flavonoids, constituting the polymeric condensed tannins, are elucidated. Maps of minimum total energy and spacial conformations are shown and discussed. The maps show the different conformations of rotational isomers for the different interflavonoid linkages. Considerations regarding the relative abundances of the various structures tie up with findings in both nature and by synthetic means. Van der Waals forces are predominant. H-bonds are present but have considerably lower importance in determining the conformations of minimum energy. H-bonds locations and values are reported. The helix confirmations of a few polyflavonoids are reported and discussed.