J3C7.19.707 Leaf Structure
This model of a lima bean leaf vividly shows the transverse and longitudinal sections, as well as the upper and lower surfaces, of a typical leaf. The mesophyll includes palisade parenchyma and spongy parenchyma. Both surfaces are shown with stomata and guard cells. Vascular bundle detail is also shown,including xylem, phloem, and veins.