Herba Eupatorii
Source
The branch and leaf of Eupatorium fortunei Turcz., family Compositae.
Characteristics
A perennial herb, 30-80 cm high. Stem rounded, less branching, yellow-
green,
with fme and longitudihal striae. Leaves opposite, usually tri-cleft,
margins serrate. Capitulum in corymbose arrangement, flowers purple. The
commercial drugs with leaves wrinkled, stem cut into sections, flower
rare. Acrid in taste, mild in nature, and attributive to spleen and stomach
channels.
Indication
1. Eliminate dampness from the middle jiao: For dampness-retention syndrome
involving the spleen and stomach with feeling of fullness and oppression
in the chest and abdomen, poor appetite, nausea, vomiting, diarrhea and
feeling of sweetness and greasiness in the mouth.
2.
Clear away summer-heat: For affection of exogenous summer-heat and dampness
with chilliness, fever, fullness in the head and feeling of oppression
in the chest.
Pharmacological
Action
The active components, p-cymene and neryl acetate, inhibits the influenza
viruses.
Administration Decoction: 3-10g (decocted later).