Medicinals
shí wéi / 石韦 / 石韋 / pyrrosia [leaf]
Latin pharmacognostic name: Pyrrosiae Folium
Alternate English names:
Alternate Chinese names: 石皮 shí pí; 石兰 shí lán; 虹霓剑草 hóng ní jiàn cǎo; 石苇 shí wěi
Origin: Plant
Use: medicinal
Category: Water-disinhibiting dampness-percolating agents / Urine-disinhibiting strangury-freeing agents
Properties: Bitter, sweet; slightly cold.
Channel entry: lung and bladder channels.
Indications:
- Disinhibits urine and frees strangury: Damp-heat strangury patterns, dribbling urinary block.
- Clears the lung and relieves cough: Patterns of
phlegm-heat cough and panting. - Cools the blood and stanches bleeding: Frenetic movement of blood from blood heat with vomiting of blood (blood ejection), nosebleed, or flooding and spotting.
Dosage & Method:
A decocted dose of 5–10g is typical, although 30–60g may be used.
Warning:
Contraindicated in yīn vacuity and in the absence of damp-heat.
Quality:
Large thick leaves that have reddish backs and speckles are best.
Product Area:
Húběi, Sìchuān, Jiāngxī.
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