Herba Bidentis
April 11, 2009 by Jack
Name: Herba Bidentis
Resource: Herb of Bidens bipinnata L.,B.pilosa L.and B.biternata(Lour.)Merr.et Sherff,family Compositae.
Characteristic: A herb.The leaves at the lower part opposite and those at the upper alternate;the leaves of the threekinds of the plants are bipinnatipartite,tripartite and mono to bipinnatifid correspondingly.Capitulum with involucrates;linguiform flowers yellow or white,tubular flowers yellow.Achene linear with longitudinal ridges,and 3-4 pappi at the apex which are hard awn-like,capillaceous and inversely hooked.Bitter in taste,mild in nature.
Pharmacodynamics:
1.Clear away the superficial heat:For common cold of windheat type and prevention of influenza.
2.Clear away heat and toxic materials:For sorethroat,appendicitis,snake bite and centipede bite.
3.Clear away dampness and heat from the gastrointestines:For diarrhea,dysentery and stomachache of heat type.
Pharmacological: 1.Its decoction together with Radix Dichroae is anti-inflammatory. 2.Diminishing the area of experimental gastric ulcer and secretion of gastric juice,and also lowering the level of both total and free acid in gastric juice in mice.
Usage: Decoction:10-30g.
Caution:
