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. 2022 Jan 20;17(1):e0262509. doi: 10.1371/journal.pone.0262509

Fig 4. Structural characteristics of Camellia oleifera leaves from the low-hot valley using optical microscopy.

Fig 4

A. C6 with three layers of palisade tissue leaves, ×100; B. C3 with four layers of palisade tissue leaves, ×100; and C. trichome on adaxial surface of the main vein of C15,×100. Notes: All bars: 200 μm. All pictures were taken under an optical microscope. All pictures were taken at 100 times. Cu: Cuticle; U-ep: Upper epidermis cells; Pa: Palisade tissue; Sp: Spongy tissue; L-ep: Lower epidermis cells; CR: Crystal; Tr: Trichome; and St: Stomata.