The source is from the aerial part of a perennial herb, Eupatorium fortunei Turcz., family Compositae. It is collected in the summer and autumn. The fresh being cut into segments is used for medication.
[ Medicinal Properties ]: Pungent and neutral; relate to the spleen, stomach and lung meridians.
[ Medicinal Efficacies ]: Resolve damp and clear summer-heat.
[ Usage and Dosage ]: 3-9g. The amount of the freshis doubled.
[ Clinical Applications ]: 1. Retention of dampness in the middle energizer Its action of resolving damp and harmonizing the middle is similar to Huoxiang and both are usually used altogether to treat retention of dampness in the middle energizer in combination with Cangzhu, Houpo and Doukou, etc. For damp-heat in the spleen meridian manifested as sweatness and greasiness in the mouth, plenty of saliva and foul breath,etc., it can be used alone or together with Huangqin, Baishao and Gancao, etc.
2. Early stage of summer-damp and damp-warm syndromes It can both resolve damp and clear summer-heat. For summer-damp, it is usually combined with Huoxiang, Heye and Qinghao,etc. For the early stage of damp-warm, it is in combination with Huashi, Yiyiren and Huoxiang, etc.
佩兰为菊科植物佩兰Eupatorium fortunei Turcz. 的干燥地上部分。主产于江苏、浙江、河北等地。夏、秋二季分两次采割。切段生用,或鲜用。