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目的:对紫金牛科植物九节龙进行生药组织学研究。方法:对九节龙原植物进行形态学描述,显微构造(徒手切片、表皮撕片、粉末特征)进行鉴别。结果:全株各器官均可见细长的非腺毛和腺头为圆形的腺毛;九节龙的根、根茎及茎横切面均可见明显的内皮层,且内皮层凯氏点明显;根茎及茎具髓部。结论:九节龙的根、根茎、茎、叶中脉的横切面显微构造及粉末特征可作为九节龙的鉴别特征。
OBJECTIVE: To study the crude drug histological research of Jiulonglong, Methods: Morphological description of the plant, the microstructure (bare hands, epidermal tears, powder features) were identified. Results: Slender non-glandular trichomes and glandular trichomes were observed in all organs of the whole plant. The inner layer of root, rhizome and stem were clearly visible in Jiudu Long, and the endodermis was obvious. Rhizomes and stems with pith. Conclusion: The cross-sectional microstructure and powder features of roots, rhizomes, stems and leaf veins in Jiulong Long can be used as the distinguishing features of Jiulong Long.