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Pharmaceutical Name
 Rhizoma Imperatae
Botanical Name
 Imperata cylindrical Beauv. var. major (Nees.) C. E. Hubb.
Common Name
 Imperata rhizome, Woody grass
Source of Earliest Record
 Shennong Bencao Jing
Part Used & Method for Pharmaceutical Preparations
 The rhizomes are dug in spring or autumn, cleaned, dried in the sun and cut into small pieces.
Properties & Taste
 Sweet and cold
Meridians
 Lung, stomach and urinary bladder
Functions
 1. To cool blood and stop bleeding; 2. To clear heat and promote urination
Indications & Combinations

1. Hemorrhages due to extravasation of blood by heat. Imperata rhizome (Baimaogen) is used with Biota tops (Cebaiye), Small thistle (Xiaoji) and Cattail pollen (Puhuang).
2. Hot urination, edema and damp-heat jaundice. Imperata rhizome (Baimaogen) is used with Plantain seed (Cheqianzi) and Lysimachia (Jinqiancao).
Dosage
 15-30 g (30-60 g, if fresh herb)
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