1、 Blade difference

The leaves of Yanshan ginger are lanceolate, about 30-60cm long and 5-10cm wide. The top is acuminate and has a small curling tip, which gradually narrows to the base, the edge is pubescent, both sides are glabrous, and the petiole is about 1-1.5cm long

The middle part of Amomum villosum is long lanceolate, about 37 cm long and 7 cm wide, and the upper part is linear, about 25 cm long and 3 cm wide, sessile or nearly sessile, with concave reticulate patterns on the leaf sheath

2、 The difference between flowers

Yanshanjiang is a panicle, drooping, white below the petals, pink at the top, purple red inflorescence axis, short branches, small flowers on each branch, and small bracts are oval

Amomum villosum is a spike with white petals and a small yellow tip in the middle. Scales elliptic, green or brown, bracts lanceolate, small bracts tubular

3、 Fruit difference

The capsule of Alpinia zingiberensis is oval, with sparse coarse hairs on the surface, more exposed stripes, and vermilion when mature

Amomum villosum capsule is oval, purplish red after maturity, brown after drying, with thorns on the surface