Fig. 33
From: The adjustment of China endemic Heptacodium miconioides Rehd. to temperate zone of Poland
Crystals visible on longitudinal radial sections of the 3 years old stem in Heptacodium myconioides (a, b, c). Designations: co – cortex; cr – crystals; crf – crystals outside band of phloem fibers; crp – row of prismatic crystals in phloem tissue; dr – druses; fb – band of phloem fibers; fi – fibers; ph – phloem; tr – tracheids; ve – vessel; xy – xylem. Scale bars 100 µm