期刊
MICROSCOPY RESEARCH AND TECHNIQUE
卷 85, 期 9, 页码 3217-3236出版社
WILEY
DOI: 10.1002/jemt.24179
关键词
Lamiaceae; micromorphology; microscopy; taxonomy; TCM; Trichomes
In this research, scanning electron microscopy was used to identify and study the morphological characteristics of 25 Lamiaceae species used in traditional medicine. The study found that the anatomical features of the leaf epidermis can be used for accurate identification of these species. Additionally, the study described the diverse microstructures of these plants, providing insights for further research and classification of traditional medicinal plants.
In this research, 25 medicinally used Lamiaceae species belonging to 20 genera have been studied and identified for the nine disorders. We used scanning electron microscopy (SEM) for qualitative and quantitative morphological character identification. The micromorphological characters observed here were important for distinguishing the studied taxa. The highest medicinal values were reported for Vitex negundo and Scutellaria baicalensis for all considered categories except urinary and otorhinolaryngology disorders. The foliar epidermal anatomical characteristics revealed that the micromorphological features of the Lamiaceae species provide taxonomically significant and accurate identification information to delimitate the family species. Moreover, we focused on both qualitative (epidermal cell shape, stomata type, stomatal pore shape, subsidiary cell shape, glandular trichomes, and non-glandular trichome shape) as well as quantitative features (epidermal cell size, stomata size, stomatal pore size, subsidiary cell size, and trichomes size). The trichomes diversity was different in most species' on adaxial and abaxial surfaces. In most species, anomocytic stomata were observed, but other types such as diacytic, paracytic, and tetracytic type stomata were also examined. The diverse pattern of anatomical characters suggests that the studied taxa provide insight evidence for the taxonomic observation of the Traditional Chinese Medicinal plants from the Lamiaceae. This work sets an avenue for future research and taxonomic exploration of medicinal flora through microscopic investigations.
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