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Alternate Chinese names: 豨莶 xī xiān

Kingdom: Plant

Origin in PRC Pharmacopoeia: Siegesbeckia orientalis L.; Siegesbeckia glabrescens Makino; Siegesbeckia pubescens Makino. (PRC Pharmacopoeia)

Origin in unofficial sources: Siegesbeckia orientalis L.*; Siegesbeckia glabrescens Makino*; Siegesbeckia pubescens Makino*; Siegesbeckia orientalis L. var. pubescens Mak.; Siegesbeckia orientalis L. var. glabrescens Mak.

Use: Medicinal

Category: Wind-damp–dispelling agents / Wind-damp-heat–dispelling agents

Properties: Bitter; cold.

Channel entry: Liver and kidney channels.

Actions and indications:

• Dispels wind-damp, frees the channels and quickens the network vessels: Wind-damp impediment patterns, possibly with joint pain, numbness and tingling of the limbs, and weakness of the legs.
• Clears heat and resolves toxin: Toxin swelling of sores, itchy eczema.

Dosage and method: Oral: 15–20g in decoctions; also used externally. In general, the processed form is used to treat wind-damp impediment patterns, while the raw form is more suitable for impediment patterns with heat and for damp sores and eczema.

Quality: Leafy plants with thick stems and unopened flowers are the best.

Production area: Northern and central regions of China, especially Húběi, Húnán, and Jiāngsū.

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