Leaf Epidermal Features of Machilus (Lauraceae) from China and Their Systematic Significance
国产润楠属植物的叶表皮特征及其系统学意义

Leaf epidermis of 45 species of Machilus Nees were observed under light microscope(LM) and scanning electron microscope(SEM),of which 31 species were reported for the first time.The results showed that leaf epidermal cells were polygonous or irregular in shape.Stomatal complexes only present on abaxial epidermis and the stomata was paracytic type.There were five types of anticlinal walls of abaxial and adaxial cells(straight,rounded,undulated,sinuous,straight-curved).Trichomes on abaxial epidermis exist(spa...