Abstract: This paper presents the 315 species (number) of traditional cul-tivated plants in Tai villages of Xishuangbanna, their history, method of intro- duction, and adaptability. The ethnobotanical usages are also presented accor- ding to the investigation. In addition, the economic potentiality of the plants and their value in the study of plant introduction and domestication are discussed.

Key words: Cultivated plants in Tai villages