Fundamental Research Funds for the Central Universities(YX2010-31);The State Key Laboratory Program from State Key Laboratory of Systematic&Evolutionary Botany(LSEB2011-07);the National Natural Science Foundation of China(30870146,31170201)
the Plant Diversity Research Center of the 21ST Frontier Research Program Funded by the Ministry of Education and Science and Technology of Korea(PF06100-00);国家自然科学基金(30270094,30530050)
Supported by the National Natural Science Foundationof China(GrantNos.30070059,39570051)and the Special Projectfor Taxonomicand Floristic Researches from the Chinese Academy of Sciences.
For finding valuable systematic characters, leaf epidermis of 77 taxa, representing 12 sections of the genus Clematis and three related genera in the Ranunculaceae, were examined mainly by means of light microscop...