[shi wei] Folium Pyrroiae The dried leaf of Pyrrosia sheareri (Bak.) Ching, Pyrrosia lingua (Thunb.) Frawell or Pyrrosia petiolosa (Christ) Ching (family Polypodiaceae). 1. as febrifuge, diuretic and lithagogue for acute infections of the urinary system, calculi of the urinary tract and also for nephritic albuminuria. 2. as antitussive and expectorant for chronic bronchitis with cough and profuse phlegm.

1997.043.137