FIGURE 3 in Leaf micromorphology of the Persicaria sect. Cephalophilon (Polygonaceae) and its systematic re-evaluation

FIGURE 3. Summary of leaf epidermal characters with stomatal complex and crystals in Persicaria sect. Cephalophilon and related taxa in Koenigia using LM and SEM. A. Persicaria chinensis var. ovalifolia with cuticular striation (AD); B. P. chinensis var. paradoxa, anomocytic stomata with undulate ACW (AB); C–D. P. nepalensis, anomocytic and anisocytic stomata with striation (AD); E. P. chinensis var. chinensis with idioblast of AD side (white arrow); F. P. nepalensis with resin cup on AB side (white arrow), G–H. druse crystal (rosette crystals); G. P. capitata; H. P. chinensis var. ovalifolia, I. prismatic crystals (black arrow), Koenigia pilosa. AD, adaxial side; AB, abaxial side. Images: M.-J. Kong.