Macroscopic and microscopic studies of polyscias guilfoylei L. H. Bailey leaves (Araliaceae)

Introduction: The leaves of Polyscias guilfoylei L. (Araliaceae) were reported to have medicinal value. Therefore, authentication of the leaves of Polyscias guilfoylei L. is important to ensure the reproducible quality of herbal raw materials. Objective: This study aims to evaluate macroscopic and microscopic parameters of the leaves of Polyscias guilfoylei L. Methods: Organoleptic, macroscopy, and microscopy of fresh leaves and microscopy parameters of leaves powder were observed. Results: Organoleptic and macroscopic studies found that the leaves had a smooth surface with green color, pinnate venation, elonged to lanceolate shape, cuspidate apex, serrated margin, broad base steam, a bit of distinctive smell, and characteristic taste. The leaves microscopy indicated the presence of anisocytic and paracytic stomata, druses type of calcium oxalate crystals, spiral type xylem, and essential oil were found. Conclusion: The results obtained can be used as quality control parameters, especially diagnostic features for the herbal raw material of Polyscias guilfoylei L.