Reaumuria trigyna(Reaumuria Linn genus,family Tamaricaceae)is an endangered dicotyledonous shrub with the features of a recretohalophyte,and it is endemic to the Eastern Alxa-Western Ordos area of China.Our studies demonstrated that R.trigyna shows outstanding performance because of its highly efficient antioxidant system,salt glands with secretion function,and strong osmoregulatory ability in the stressed environment.