1, fruit appearance: Fructus Amomi is spherical, green when immature, brown or brown when mature, with longitudinal wrinkles on the surface. The fruit of Amomum villosum is oval, grayish green when immature, purplish red or brown when mature, with thorns on the surface.

2. Description: Amomum villosum seeds are small, with a diameter of 1.5-2 cm and a yellow-white diaphragm on the surface. Amomum villosum seeds are large, with a diameter of 2-3 cm and a gray diaphragm on the surface.