The leaves of Zingiber officinale are lanceolate, about 30-60 cm in length and 5-10 cm in width. The tip is acuminate and has a small spiraling tip, gradually narrowed to the base, with pubescence on the edge, glabrous on both sides, and a petiole about 1-1.5 cm in length.
The middle part of Amomum villosum is long lanceolate, about 37 cm long, about 7 cm wide, the upper part is linear, about 25 cm long, 3 cm wide, sessile or nearly sessile, and there are concave reticulated patterns on the leaf sheath.
Yanshanjiang is a panicle, drooping, white under the petals, pink at the top, purplish red in the inflorescence axis, short branches, small flowers on each branch, small bracts are oval.
Amomum villosum is spike, petals are white, there is a small yellow tip in the middle, anti roll. Scales elliptic, green or brown, bracts lanceolate, small bracts tubular
The capsule of Zingiber officinale is ovoid, with sparse coarse hairs on the surface, more exposed stripes, and red when mature.
The capsule of Amomum villosum is oval, purple red when mature, brown when dry, with thorns on its surface.
