Production RegionsPrimarily produced in the Chinese provinces of Henan, Hebei, Liaoning.
Macroscopic FeaturesFlat sub-kidney shape or oval shape, about 1mm diameter. Externally brownish-yellow or grayish-yellow, with dense reticular striations, slightly pointed end has spotted hilum. Fractured surface is grayish-white, oily, with endosperm, embryo is slightly curved. faint odor, slightly acrid taste.
Quality RequirementsSuperior medicinal material is full, with a consistent granular shape.
PropertiesBitter, acrid, warm, very toxic
FunctionsSpasmolysis, relieves pain, calms spirit, relieves panting. Apply to stomach cramps and pain, panting and cough, convulsion.
OriginThe dried mature seed of Hyoscyamus niger L.(Solanaceaea)