Fig. 2
From: Photosynthetic contribution and characteristics of cucumber stems and petioles
Ultrastructure of stomata in the DG and LG cucumbers. A, B and C the DG cucumber leaf blades; D, E and F the LG cucumber leaf blades; G, H and I the DG cucumber stems; O, P and Q the LG cucumber stems; R, S and T, DG cucumber petioles; U, V and (W) the LG cucumber petioles. Note: From left to right is an enlarged view, and the scale bars are 50 μm, 25 μm and 5 μm