Leaf epidermal structure and stomatal parameters of the genus Taxodium (Taxodiaceae) Analysis of relationship among three Sapindaceae fruit trees based on leaf anatomical characteristics Anatomical Structures of Leaves and Taxonomic Values in Iris from the North of China Leaf Epidermal Features of Ailanthus altissima (Mill.) Swingle in Different Development Stages LEAF EPIDERMAL STRUCTURE IN10SPECIES OF ANNONACEAE Analysis of Variation in Epidermal Structure of Picea pungens Needles A Study on the Cuticle of Otozamites hsiangchiensis Sze