Place grown: Nakchu, Chamdu in Tibet, Yushu in Qinghai, Ganzi and Dege in Sichuan.

Nature: bitter, sweet but a little cold.

Function and indications: Reduces fever, moistens the lung, resolves sputum and relieves cough, organ inflammation, asthma, and trachitis. When externally applied, it can subdue swelling and alleviate pain.

Dosage: Take 1-1.5g each time.