[source] stems of Mahonia latifolia, Mahonia tenuifolia or Mahonia nanensis. Please refer to the "ten Mahonia leaves" for plant morphology.
[collection] it can be harvested all year round, cut and dried in the sun.
[herbal medicine] the dry stem is cylindrical, with grayish brown surface, shallow longitudinal grooves and protruding leaf marks; the tender stem is smooth, with longitudinal cracks, obvious nodes, thin skin, easy to peel, bright yellow inner surface, with linear fibers. In the transverse section, the pith is light yellow, the wood is yellow, the lateral yellow is deep, and the rays are white, very significant.
Produced in Zhejiang, Guangxi and other places.
[nature and taste] yinpianxinshen: "bitter, flat. "
[functions and indications] ① yinpianxinshen: "clearing lung, stopping tuberculosis and cough, killing insects and defecating. "
② Zhejiang traditional Chinese Medicine Manual: "tonifying Yin, relieving thirst, cooling blood. "
[usage and dosage] oral: decoction, 2-3 yuan.
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