Fig. 15
From: The adjustment of China endemic Heptacodium miconioides Rehd. to temperate zone of Poland
Transverse sections of the 1-year stem of Heptacodium myconioides: a asymmetrical flattened shoot, scale bar 500 µm; b detail of areas with visible asymmetry (orange line – vascular bundle in the asymmetry place; blue line– vascular bundle in the place beyond asymmetry place), H4, scale bar 200 µm. Designations: ca – cambium; co – cortex; en – endodermis; fb – band of phloem fiber; ph – phloem; xy – xylem