Objective: To provide macroscopic and microscopic identification basis for Ligularia przewalskii.
Methods: Macroscopic and microscopic identification of roots, stems and leaves of Ligularia przewalskii were carried out with the methods of paraffin section, leaves epidermal section and powder transdermal section.
Results: The microscopic characteristics included: Open collateral vascular bundles in stem were not in the same size and arranged in two rings; Lots of fiber bundles scattered in the column parts; There were two vascular bundles in principal vein of leaf; Anticlinal wall of upper epidermis cells was thickened like moniliform, lower epidermis were like waves with irregular; The type of stoma was anomocytic; Calcium oxalate acicular crystal could be seen in the powder.
Conclusion: These features can provide references for identification of Ligularia przewalskii.
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