Pyrrosia, Shi Wei 石韦 Shi Wei (TCM) Pyrrosia linguaLowe, E.J., Ferns [a history of Ferns]: British and exotic (1856-1860) Botanical name: Pyrrosia spp.A number of species are used:  1. P. lingua  2. P. sheareri  3. P. petiolosa  4. P. davidii  5. P. calvata  6. P. drakeana Parts used: Herb Temperature & Taste: Cool, dry. Bitter, Sweet Classification: C. Clear Damp, Promote Urine Uses: 1. Clears Damp-Heat, Promotes Urine:-difficult, painful and obstructed urine; Cystitis, UTI-Hematuria with pain-Gravel and Stones-Prostatitis2. Clears Heat, Stops Bleeding:-Hematuria with pain-Coughing or Vomtiing Blood-Irregular Uterine Bleeding-Bleeding form the Nose3. Clears Heat, Resolves Phlegm, Stops Cough:-Cough, Bronchitis, Wheezing, Asthma from Heat in the Lungs4. Clears Heat, Regulates Qi:-‘eliminates restlessness, brings down adverse ascending Qi … and pacifies the Five Viscera’. (Ming Yi Bie Lu) Dose: Deoction: 6–9 grams Corrective: ‘It is reinforced if used together with Calamus (Shi Chang Pu)’ (Xu Zhi Cai)Preparations:The hair on the leaf should be removed to avoid irritation.1. Stir-fry the leaf lightly.2. Mix with Sheep fat and stir-fry until dry. This is a traditional method of preparation no longer used. Main Combinations: According to the Divine Farmers Materia Medica, the envoys of Pyrrosia are Talcum and Almond/Apricot kernel (Xing Ren). It is more…

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