Pharmaceutical Latin: Herba Commelinae
Common English: Commelina Communis
Common Dayflower
Herbs that Clear Heat: Herbs that Clear Heat and Purge Fire
Taste Temperature Entering Meridians Dosage
Small Intestine
Large Intestine
(Urinary Bladder)
Fresh 60-90g
Actions Indications/Syndromes

Cools Heat, drains Fire and slightly resolves toxicity and cools the Blood

Fever from relatively superficial warm pathogens

Fever and sore throat of the common cold

Stubborn fever from a warm pathogen disease

Leukorrhea, sores and boils, metrorrhagia, hepatitis with jaundice, erysipelas, barbiers, parotitis, epistaxis, dysentery

Clears Heat, facilitates urination and unblocks painful urinary dysfunction

Hot, painful urinary dysfunction and edema, hematuria

Edema with scanty urination

Acute rheumatoid arthritis, uropenia

  • Use with caution for those with Spleen and Stomach Deficiency Cold.

Hb. Menthae Haplocalycis
Bo He
Fr. Arctii
Niu Bang Zi

Gypsum Fibrosum
Shi Gao
Rz. Phragmitis
Lu Gen

Hb. Spirodelae
Fu Ping
Rx. Imperatae
Bai Mao Gen

Qi level diseases.

A sore, swollen throat.

A sore throat from the mumps.

Hot, painful urinary dysfunction with Exterior symptoms.

Hb. Plantaginis
Che Qian Zi
Hb. Lophatheri

Dan Zhu Ye



Painful urinary dysfunction from Urinary Bladder Damp-Heat.



  1. This herb can be used alone for both internally and externally generated toxic swellings and sores
    the fresh herb can be used alone for unremitting fevers.
  2. For external application, pound into a pulp.
  3. This herb is able to detoxify any type of food poisoning.
  4. Both this herb and Hb. Lophatheri Dan Zhu Ye clear Heat and promote urination. Hb. Commelinae Ya Zhi Cao is stronger than Hb. Lophatheri Dan Zhu Ye in both cooling and facilitating urination, but the effects are less prolonged.