Astragalus is native to northerm China and the elevated regions of the Chinese provinces Yunnan and Sichuan. The portion of the plant used medicinally is the fourto seven-year-old dried root collected in the spring.

Functions:Cardial activity on exhausted heart, Hypotensive activity, Diuretic activity, Preventive activity against acute animals adrenal failure caused by gentamicin, Sedative effect on mice.