zi wan

紫菀·Radix Asteris

Aster Root

About zi wan

Zi Wan (紫菀) is the root and rhizome of tatarian aster, recorded as Radix et Rhizoma Asteris. It is acrid and bitter in flavour, slightly warm, and enters the Lung channel alone.

Names

Pinyinzi wan
Chinese紫菀
Latin NameRadix Asteris·Radix et Rhizoma Asteris
English NameAster Root·tatarian aster root
Japaneseshion
Koreanjawon

Classification

Channels
Lung
Flavour
Acrid, Bitter
Temperature
Slightly Warm
Family
Asteraceae
Species
Aster tartaricus
Tags
Chinese Herbs, Common

Actions and indications

Stops cough and expels Phlegm

  • Cough from many causes: Wind-Cold or Wind-Heat, deficient Lungs, or consumption from Yin deficiency
  • Mainly chronic cough, especially of a Cold type, with abundant sputum that is hard to bring up or streaked with blood
  • Asthma, rebellious Qi, and Phlegm with a stale feeling

Moistens the Lungs

  • Chronic cough from Lung deficiency; in Heat or Dryness patterns it is combined with cooling, moistening herbs

Directs Lung Qi downward

  • Acute and chronic cough

Combinations

Dosage

AgeRawGranuleTinctureConcentrateFrequency
Any 3-10g; Tincture: 2-4ml3-10 g—2-4 ml——

Cautions

Interactions

Antagonistic with

Prepared forms (1)

zi wan Mi Zhi

紫菀·Radix Asteris

Zi wan mi (紫菀) is the honey-processed root of aster, an Asteraceae species recorded as Radix Asteris. The catalogue records it on the Lung channel, and holds no category or actions for it.

The catalogue records no separate actions, dose or cautions for this preparation. Unless noted above it follows zi wan.

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