Fig. 2. Light microscopic micrographs revealing leaf characteristics of Prunus africana. A. Leaf adaxial surface. B. Leaf abaxial surface. C. Druse-shaped crystals. D, E: Transverse sections of leaf petiole. F, H: Transverse sections of leaf blade. C, E, H: The observation was performed using the differential interference contrast (DIC) mode of a light microscope. ep: epidermis, ics: intercellular space, pa: palisade parenchyma, spo: spongy parenchyma, vb: vascular bundle, xy: xylem, arrows: druse crystals. Scale bars for A, B: 50 μm, C: 20 μm
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