Bark ofilibiscus syriacus L., family Malvaceae.
Bark slenderly grooved or quilled, varying in size, 1-2 mm thick. Outer
surface green-grey, with fine and longitudinal striae and finely spotted
lenticels and protruding node scars and bud scars; inner surface yellow-white,
smooth, with very fine longitudinal striae. Firm and tough in texture.
Fracture surface fibrous. Prepared as rolled strips. Sweet in taste, mild
in nature, and attributive to large and small intestine channels.
Clear away heat and toxic material, kill parasite and alleviate itching:
External use for tinea; internal use for leucorrhagia and dysentery.
Its alcoholic infusion inhibits the growth of Staphylococcus aureu, Bacillus
subtilis, Bacillus dysenteriae and Proteus in vitro.
External use: Appropriate amount.