Longstamen Onion Bulb is the dried buld of Allium macrostemon Bge. (Fam. Liliaceae).

Action: To remove the retained phlegm from the chest, promote the flow of qi and relieve its stagnation.

Indications: Angina pectoris; cough and dyspnea caused by retained phlegm; tenesmus in dysentery.

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