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Willowleaf swallowwort [rhizome]
白前 〔白前〕bái qián
Latin pharmacognostic name: Cynanchi Stauntonii Rhizoma
Alternate English names: baiqian cynanchum [rhizome]
Kingdom: Plant
Origin in PRC Pharmacopoeia: Cynanchum stauntonii (Decne.) Schltr. ex Lévl.; Cynanchum glaucescens (Decne.) Hand.-Mazz. (PRC Pharmacopoeia)
Origin (other sources): Cynanchum stauntoni (Decne.) Schltr. ex Lévl.*; Cynanchum glaucescens (Decne.) Hand.-Mazz.*
Use: Medicinal
Category: Phlegm-transforming cough-relieving panting-calming agents / Phlegm-transforming agents
Properties: Sweet, acrid; slightly warm. (Some sources say bitter and slightly cold.)
Channel entry: Lung channel.
Indications:
Downbears qì and transforms phlegm: Cough with copious phlegm from a variety of causes, fullness in the chest and rapid panting.
Dosage & Method: Oral: 3–10g in decoctions.
Quality: Thick rhizomes with long roots clean of earth are the best.
Product Area: ānhuī, Zhèjiāng, Húnán.
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