shi wei

石韦·Folium Pyrrosiae

Pyrrosia Leaf

About shi wei

Shi Wei (石韦) is the leaf of pyrrosia, a fern, recorded as Folium Pyrrosiae. It is bitter and sweet in flavour, slightly cold, and enters the Lung and Bladder channels. The catalogue files it among the herbs that drain Dampness.

Names

Pinyinshi wei
Chinese石韦
Latin NameFolium Pyrrosiae
English NamePyrrosia Leaf
Japanesesekii
Koreanseokwi

Classification

Channels
Lung, Bladder
Flavour
Sweet, Bitter
Temperature
Slightly Cold
Part used
Leaf
Family
Polypodiaceae
Species
Pyrrosia sheareri|pyrrosia lingua|pyrrosia petiolosa
Tags
Chinese Herbs, Common

Actions and indications

Clears Damp-Heat, promotes urination, relieves painful urinary dysfunction and expels stones

  • Damp-Heat Lin, in which urinating burns and hurts and may bring dribbling, blood or stones
  • Stone or Blood Lin
  • Edema

Cools the Blood and stops bleeding

  • Bleeding from Heat in the Blood: vomiting of blood, nosebleed, uterine bleeding, heavy periods, and blood in the urine
  • Bleeding from trauma

Clears the Lungs, expels Phlegm and stops cough

  • Lung Heat and Phlegm causing wheeze and cough

Combinations

Dosage

AgeRawGranuleTinctureConcentrateFrequency
Any 6-16g; Severe cases: up to 30g; Tincture: 2-4ml6-16 g2-4 ml

Cautions