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Herba Commelinae

Ya Zhi Cao
1 #

Ya Zhi Cao2
1 #


Ya Zhi Cao (Common Dayflower Herb)

  1. Ya Zhi Cao
  2. 鴨跖草
  3. Common Dayflower Herb
  4. 鸭跖草

The Effect of Herba Commelinae


Sweet, cold, bland; lung, stomach and bladder meridians entered.


Clear heat and promote diuresis, cool blood and remove toxicity.


Edema, difficult urination, cold, sore throat, leucorrhea, sores and boils, hematuria, metrorrhagia, hepatitis with jaundice, erysipelas, barbiers, parotitis, epistaxis, dysentery.

Dosage and Administrations

Decoct 15~30 g (60~90 g of fresh product), or pounded into juice. Proper dosage is for external application, pounded for applying.


It is contraindicated for deficiency-cold in spleen and stomach.