Herba Spirodelae （Spirodela polyrrhiza）Rapid Identification
Rapid identification: Thallus is oval, ovoid, or oblong, oval 3 ~ 6 mm in diameter, single, or 2 ~ 5 piece set, on the surface of the light green to the sage green, lower surface purple to purplish brown, edge neat or slightly curly, side there is a small dent on the surface, the surface of the several fibrous root. It is light in quality and fragile in hand. The air is weak and the taste is weak.
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