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<record type="herb" updated="2026-09-18T16:36:03.337798+00:00">
  <source>Bencao Index</source>
  <source-url>https://bencaoindex.com/</source-url>
  <canonical>https://bencaoindex.com/herbs/zi-wan/</canonical>
  <licence>Free to use and republish with visible attribution and a link back to the source page. The catalogue is a reference work and is knowingly incomplete; nothing in it is medical advice.</licence>
  <attribution-html>&lt;a href=&quot;https://bencaoindex.com/herbs/zi-wan/&quot;&gt;Bencao Index&lt;/a&gt;</attribution-html>
  <names>
    <name type="pinyin">zi wan</name>
    <name type="chinese">紫菀</name>
    <name type="latin">Radix Asteris</name>
    <name type="english">Aster Root</name>
    <name type="japanese">shion</name>
    <name type="korean">jawon</name>
  </names>
  <channels>
    <channel>Lung</channel>
  </channels>
  <actions>
    <action>
      <summary>Stops cough and expels Phlegm</summary>
      <indication>Cough from many causes: Wind-Cold or Wind-Heat, deficient Lungs, or consumption from Yin deficiency</indication>
      <indication>Mainly chronic cough, especially of a Cold type, with abundant sputum that is hard to bring up or streaked with blood</indication>
      <indication>Asthma, rebellious Qi, and Phlegm with a stale feeling</indication>
    </action>
    <action>
      <summary>Moistens the Lungs</summary>
      <indication>Chronic cough from Lung deficiency; in Heat or Dryness patterns it is combined with cooling, moistening herbs</indication>
    </action>
    <action>
      <summary>Directs Lung Qi downward</summary>
      <indication>Acute and chronic cough</indication>
    </action>
  </actions>
</record>
