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Alternate Chinese names: 北紫草 běi zǐ cǎo

Kingdom: Plant

Origin in PRC Pharmacopoeia: Potentilla chinensis Ser. (PRC Pharmacopoeia)

Origin in unofficial sources: Potentilla chinensis Ser.*

Use: Medicinal

Category: Heat-clearing agents / Heat-clearing toxin-resolving agents

Properties: Bitter; cold; nontoxic*.

Channel entry: Large intestine channel.

Actions and indications:

• Clears heat and resolves toxin: Diarrhea and dysentery; vaginal discharge.
• Cools the blood and stanches bleeding: bloody stool; flooding and spotting.

  Dosage and method: Oral: Decoct (8–15g), grind to a powder, or steep in wine. Topical: Decoct as a wash, apply crushed, or grind and sprinkle on dry.

  Production area: Most parts of China.

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