藏药塔勒两种基源植物的生药鉴定

Microscopical identification of crude drug of Tibetan medicine "tale"

目的对藏药塔勒的两种原植物隐蕊杜鹃和蓝紫杜鹃进行组织、粉末鉴定。方法对两种原植物进行形态描述,茎、叶横切片显微观察,叶和花的粉末鉴定,对比两种植物。结果隐蕊杜鹃和蓝紫杜鹃原植物有显著差别;两种植物叶和茎的横切面较相似,但各自的叶脉维管束、茎环髓带和中柱鞘纤维、髓射线等有明显差别;各自粉末有特征表现。结论对藏药塔勒进行生药学鉴定可区分藏药塔勒的不同植物来源及原药材。

OBJECTIVE To identify two crude drugs（Rhododendron intricatum Franch.and Rhododendron russatum Balf.f.et Forrest）which used as Tibetan medicine ＂tale＂ by tissue and powder identification.METHODS The two crude drugs were compared by origin plant forms,microstructure of transverse stem and leaf,powder of leaf and flower.RESULTS The differences of Rhododendron intricatum Franch.and Rhododendron russatum Balf.f.et Forrest were obvious in histological characters.CONCLUSION These studies provided reference information for Tibetan medicine ＂tale＂.