Fig. 28From: The adjustment of China endemic Heptacodium miconioides Rehd. to temperate zone of PolandLongitudinal radial section of the 5 years old stem of Heptacodium myconioides – the vessels (a, b). Designations: fb – fibres; re – reticulate thickening of vessel; pi – pitted thickening of vessel; sc – scalariform vessel; tr – tracheids. Scale bars 100 µmBack to article page