Specification: slice, whole, various kinds or specification.

Description: Huang Si Yu Jin Fusiform, sometimes slender at one end, 1.5-3cm long, 0.8-1.5cm in diameter. Externally brownish-grey or greyish-yellow, with fine wrinkles. Fracture orange, but edges brownish-yellow to brownish-red. Odour, aromatic; taste, pungent.

Wen Yu Jin Oblong or ovoid, slightly compressed or curved, the two end tapering, 3 -6cm long, 1 -1.5cm in diameter. Externally pale brown or greyish-brown, with irregular longitudinal wrinkles, the raised longitudinal wrinkles pale in colour. Texture compact, fracture greyish-brown and horny. Endodermis ring distinct. Odour, slightly aromatic; taste, slightly bitter.

Gui Yu Jin Long conical or oblong, 2.5-7cm long, 0.8-1.5cm in diameter. Externally with sparse and shallow wrinkles or relatively coarse reticulate wrinkles. Odour, slight; taste, slightly pungent, bitter.