Fig. 32From: The adjustment of China endemic Heptacodium miconioides Rehd. to temperate zone of PolandXylem and pith ray in longitudinal tangential section of the 3 years old stem in Heptacodium myconioides. Designations: bp – bordered pit; pr – pith ray; se – secretions; ty – tyloses. Scale bar 50 µmBack to article page