Pharmacognostic Identification of Hedyotis auricularia and Mitracarpus villosus
作者机构：Guangxi University of Chinese MedicineNanning 530001China
出 版 物：《Medicinal Plant》 (药用植物：英文版)
年 卷 期：2024年第15卷第1期
页 面：24-27,34页
学科分类：081704[工学-应用化学] 07[理学] 08[工学] 0817[工学-化学工程与技术] 070303[理学-有机化学] 0703[理学-化学]
基 金：Supported by Collaborative Innovation Center of Zhuang and Yao Ethnic Medicines(GJKY20) Guangxi Key Laboratory of Zhuang and Yao Ethnic Medicines(GKJZ32) "Guipai Xinglin Young Talent"Project of Guangxi University of Chinese Medicine(2022C030) Ethnomedicine Resources and Application Engineering Research Center of Guangxi Zhuang Autonomous Region(GFGGJH2605) Guangxi Key Discipline of Traditional Chinese Medicine:Zhuang Pharmacology(GZXK-Z-20-64) Guangxi First-class Discipline:Traditional Chinese Pharmacology(Ethnic Medicine)(GJKY12)
主 题：Hedyotis auricularia Mitracarpus villosus Pharmacognostic Identification
摘 要：[Objectives]To conduct the pharmacognostic identification of Hedyotis auricularia and Mitracarpus villosus in Guangxi and provide a scientific basis for their identification.[Methods]The characteristics of original plants were studied by origin identification method;the properties and characteristics were studied by character identification method;and the microscopic features of the roots,stems,leaves and medicinal powder of *** and *** in Guangxi were studied by paraffin method and powder slicing method.[Results](i)Origin ***:Leaves leathery,apex acuminate,base cuneate;petiole shorter;cyme axillary;corolla hairy at throat;fruit indehiscent at maturity;testa black after ***:Leaf apex short pointed,base attenuate,blade sessile;flowers small,clustered in axillary;fruits dehiscent by lid at or below middle at maturity,seeds dark brown.(ii)Character *** surface of *** uneven,white in outer layer and sepia in inner *** surface of *** hollow,uneven and white.(iii)Microscopic ***:Root phloem thick,cambium visible,duct cells quasi-polygonal,large;rays *** transection quasi-circular square,often with non-glandular hairs on epidermis;calcium oxalate raphides present in leaf parenchymal *** grayish brown,starch granules single-grained;calcium oxalate raphides frequent,calcium oxalate clustered crystals occasional;catheter spiral,rarely annular,stomata ***:Root parenchyma cells with scattered calcium oxalate raphides,calcium oxalate clustered crystals and brownish red substances *** transection quasi-square,edge angle with 4 short narrow *** brown,simple starch granules numerous,compound starch granules also present;calcium oxalate raphides numerous,calcium oxalate clustered crystals and calcium oxalate square cubic crystals also present;catheter spiral,stomata paracytic.[Conclusions]The above trans
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