Plants of Pterocypsela Shih were collected from Yunyang,Fuling and other ten counties in the reservoir areas of the Three Gorges from 1996 to 1997.The plants were cultivated and evaluated in Chengdu and Wanxian from 1998 to 1999.Analysis on nutrition composition of some species of Pterocypsela Shih was conducted.The results showed that three species,namely Pterocypsela laciniata,Pterocypsela indica and Pterocypsela lyrata,have high nutrition,medium yield and strong resistance.The harvest time of these species is from July to August when the market is lack of green vegetables. Therefore,the commercial values of these species are quite high.However,the taste of these species is not good except Pterocypsela lyrata.It is suggested that Pterocypsela lyrata be expanded for production as a new high nutrition green vegetables.