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HerbPyrrosiae Folium

石韦

Shí Wéi

Pyrrosia Leaf

The dried leaves of Pyrrosia lingua, P. sheareri, or P. petiolosa (Polypodiaceae). Enters the Lung and Bladder channels. Disinhibits urination and frees strangury, especially effective for stone strangury; also clears Lung heat, stops cough, cools blood, and stops bleeding.

Actions · 功效

利尿通淋Disinhibit urination and free strangury
清肺止咳Clear the Lung and stop cough
凉血止血Cool blood and stop bleeding

Indications · 主治

热淋，石淋Heat strangury and stone strangury
血淋涩痛Blood strangury with painful inhibited urination
肺热咳嗽Cough due to Lung heat

Dosage · 用量

Per day · decoction · non-pregnant adult

6–12 g

Reference range for non-pregnant adults. Not a personalized prescription. Pregnancy, lactation, and pediatric use require specialist supervision.

Draft

Footnotes · 引用

[1]Shennong Bencao Jing (Divine Husbandman's Materia Medica)
[2]Mingyi Bielu (Supplementary Records of Famous Physicians)

Permalink · CC BY-SA 4.0

Cite this entry

@misc{bencaodian-shi-wei,
  author       = {{Bencaodian Editorial}},
  title        = {Shí Wéi 石韦 (Pyrrosia Leaf) — Pyrrosiae Folium},
  year         = {2026},
  howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
  url          = {https://bencaodian.org/en/herbs/shi-wei},
  urldate      = {2026-04-16},
  note         = {CC BY-SA 4.0}
}

Permalink is fixed

@misc{bencaodian-shi-wei, author = {{Bencaodian Editorial}}, title = {Shí Wéi 石韦 (Pyrrosia Leaf) — Pyrrosiae Folium}, year = {2026}, howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine}, url = {https://bencaodian.org/en/herbs/shi-wei}, urldate = {2026-04-16}, note = {CC BY-SA 4.0} }