The root, bark, leaves and flowers are used as medicine. Roots and bark can be harvested throughout the year, and the leaves and flowers are harvested in summer and dried in the sun.

Taste and flavor: root: slightly astringent, slightly cool. Bark: bitter, astringent, flat. Leaves: light, flat. Flowers: pale, cool.

Effects: Root: stops bleeding, strengthens the spleen.

Applications and combinations: for hemoptysis, indigestion. Bark: Strengthening the spleen and drying dampness. Used for indigestion, acute gastroenteritis. Leaf: moistening the lung and relieving cough. For cough, constipation. Flower: Anti-inflammatory. Used for pneumonia, bronchitis.