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全国范围的商品调查和产地的标本采集与原植物鉴定研究表明,目前使用的中药龙胆来源于龙胆科龙胆属的九种植物,即东北龙胆Gentiana manshurica Kitag.建德龙胆G.manshurica Kitag.ssp.jiandeensis J.P.Luo et Z.C.Lou(ssp.nov.),龙胆G.scabra Bunge,三花龙胆G.triflora Pall.,坚龙胆G.rigescens Franch.,头花龙胆G.cephalantha Franch.,亚木龙胆G.suffrutescens J.P.Luo et Z.C.Lou(sp.nov.),德钦龙胆G.atuntsiensis W.W.Sm.和红花龙胆G.rhodantha Franch.。研究和比较了上述九种植物叶的组织构造特征,编写了原植物形状分种检索表和叶的显微特征分种检索表。
Nationwide commodity surveys and collections of specimens collected from origin and original plant identification studies have shown that the currently used Chinese medicine gentian is derived from nine species of the genus Gentiana, Gentiana manshurica Kitag, and Jiande Gentian G. Manshurica Kitag.ssp.jiandeensis JPLuo et ZCLou (ssp.nov.), Gentiana G.scabra Bunge, G. triflora Pall., G. rigescens Franch., G. gentian G. Cephalantha Franch., G. suffrutescens JPLuo et ZCLou (sp.nov.), G. atuntsiensis WWSm. and G. rhodantha Franch. The organizational structure characteristics of the above-mentioned nine plant leaves were studied and compared. The original plant shape seed classification retrieval table and leaf microscopic feature classification seed retrieval table were prepared.