[Identification of fruits of Xanthium sibiricum Patr. and X. mongolicum Kitag].

The protein electrophorogram, tissue separation picture and complete powder characteristic picture of these two kinds of fruit of siberian cocklebur are made for the first time, and TLC chromatograms of different solvent extracts are also presented. All these present a scientific basis for crude drugs selling, breed identification and composition analysis of the fruit of siberian cocklebur.