Identification & Quality Standard
Rhizoma Acori Tatarinowii
Botanical Origin
The dried rhizome of Acorus tatarinowii Schott.(Araceae)
Production Regions
Primarily produced in the Chinese provinces of Jiangsu, Jiangxi, Sichuan, Zhejiang.
Quality Requirements
Superior medicinal material is thick, with off-white fractured surface, and potent aromatic odor.
Macroscopic Features
Flat cylindrical, slightly curved, often has branches, 3~20cm long, 0.3~1cm diameter. Externally brown, brownish-red or grayish-yellow, rough, often branched, internode is 2~8mm long; upper side has slightly triangular leaf scar, left and right alternating arrangment, lower side has spotted root scars, joint sometimes has remnants of hairy scale-like leaf bases. Hard and brittle texture, fractured surface is fibrous, off-white or slightly red; horizontal cut surface has obvious inner cortex ring, often can see “vein spots” and brown oil spots. Aromatic odor, bitter slightly acrid taste.
