Officinal Magnolia Bark is the dried stem bark, root bark
and branch bark of Magnolia officinalis
Rehd. et Wils, or Magnolia officinalis Rehd. et
Wils. var. biloba Rehd. et Wils. (Fam. Magnoliaceae).
To eliminate damp and relieve distension.
Accumulation of damp in the spleen and the stomach
marked by epigastric stuffiness, vomiting and diarrhea; abdominal
distension and constipation due to retention of undigested
food; cough and dyspnea caused by retained damp.