Imperata rhizome (Baimaogen)
Imperata cylindrica Beauv. var. major (Nees.) C. E. Hubb.
Pharmaceutical Name: Rhizoma Imperatae.
Botanical Name: Imperata cylindrica 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).
3. To
treat excessive thirst due to febrile disease or vomiting due to stomach-heat,
it can be used in combination with reed rhizome, bamboo shavings, ophiopogon
root and other herbs for clearing heat, relieving vexation, promoting
generation of the body fluid and alleviating thirst.
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