This study aimed to analyze the fatty acids of seeds of three Knema species(K. globularia, K. elegans and K. tenuinervia) in Xishangbannan of Yunnan province, China. The result showed that 11 kinds of fatty acids were consisted in Knema globularia, K. elegans and K. tenuinervia simultaneously and their total percentage was in range of 96.51% to 99.27%, of which myristic acid(14∶0), palmitic acid(16∶0) and oleic acid(18∶1) accounted for 90.85% to 95.24%. The component patterns of fatty acids percentage were ...