[Pharmacognostic identification of Calystegia soldanella].

Objective: To identify Calystegia soldanella and provide foundation for its further study and application.

Methods: Scanning electron microscope (SEM), upright microscope and UV were applied in the research.

Results: Laticifers were observed in the cortex and phloem of root, sclerenchymatous cells were cyclized in the outer phloem of stem, the stomas present on both adaxial and abaxial epidermis, the stomatal type was paracytic.