目的研究蔓性千斤拔植物性状及其根、茎、叶的显微特性,为其鉴别提供参考。方法采用石蜡切片法观察根、茎、叶的解剖结构,并观察其原植物和药材性状。结果描述了蔓性千斤拔的原植物和药材性状的特征,确定了其根、茎、叶显微鉴别特征。结论此研究结果可为蔓性千斤拔的鉴别和进一步开发利用提供依据。 Objective To study the traits of Trilogy and the microscopic characteristics of roots, stems and leaves of Gramineae, providing references for their identification. Methods The anatomical structures of roots, stems and leaves were observed by paraffin section and the traits of the original plants and herbs were observed. The results described the characteristics of the original plant and medicinal traits of B. tabaci and identified their micro-identification characteristics of roots, stems and leaves. Conclusion The results of this study can provide the basis for the identification and further development and utilization of B. tabaci.