Identification & Quality Standard
Sparganii Rhizoma
Botanical Origin
The dried tuberous rhizome of Sparganium stoloniferum Buch.-Ham.(Sparganiaceae)
Production Regions
Primarily produced in the Chinese provinces of Jiangsu, Henan, Shandong, Jiangxi, Liaoning.
Quality Requirements
Superior medicinal material is even, heavy, firm, removed the outer skin, externally yellowish-white.
Macroscopic Features
Conical or flat oval shape, round top and pointed bottom, 2.5~5cm long, 1.5~3.5cm diameter; Externally yellowish-white or grayish-yellow, smooth or rough, with scars from cutting, and dense spotted rootlet scars, slightly horizontal circular arrangement, both sides have projections, uneven; firm texture, very hard to break, sinks in water. Cut surface is flat, yellowish-white or grayish-white, dark towards center, center has numerous indistinct vascular bundles, faint odor, tasteless, spicy sensation when chewed.
