Rhizoma Cynanchi Stauntonii

 

Source
The root and rhizome of Cynanchum stauntonil (Decne.) Schltr.ex. level. or C. glaucescens (Decne.) Hand.-Mazz., family Asclepiadaceae.

Characteristics
Rhizome slender cylindrical, about 16 cm long, 2-3 mm in diameter. Surface yellowish white; nodes visible, densely covered by trichomatic fibrous roots; internode 1.5-4.5 cm long. The dried roots twisting to balls. Acrid and sweet in taste, mild in nature, and attributive to lung channel.

Indication
Open the inhibited lung-energy, relieve cough, descend the adverse-rising energy and eliminate phlegm: For stagnation of lung-energy with productive cough, wheezing and dyspnea, usually applicable to cough of wind-cold and phlegm-dampness types.

Pharmacological Action
Expectorant.

Administration Decoction: 3-9g.


   

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Mr. Wang Tao

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