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盛开的乐杜鹃![img]https://ng1.17img.cn/bbsfiles/images/2023/03/202303160136262849_1159_1642069_3.png[/img][img]https://ng1.17img.cn/bbsfiles/images/2023/03/202303160136300846_6979_1642069_3.png[/img][img]https://ng1.17img.cn/bbsfiles/images/2023/03/202303160136434456_6533_1642069_3.png[/img][img]https://ng1.17img.cn/bbsfiles/images/2023/03/202303160136435382_4192_1642069_3.png[/img]
大约有一人半高。[img]https://ng1.17img.cn/bbsfiles/images/2021/04/202104091202540929_593_1636655_3.png[/img][img]https://ng1.17img.cn/bbsfiles/images/2021/04/202104091202541125_4546_1636655_3.png[/img][img]https://ng1.17img.cn/bbsfiles/images/2021/04/202104091202540822_1598_1636655_3.png[/img][img]https://ng1.17img.cn/bbsfiles/images/2021/04/202104091202542016_9355_1636655_3.png[/img]
白花映山红【别名】白映山红、白艳山红【来源】药材基源:为杜鹃花科植物白花杜鹃的花、根或茎叶。拉丁植物动物矿物名:Rhododendron mucronatum (Bl.) G·Den。叶含多种黄酮类成分:有槲皮素(qquercetin),棉花皮素(gossypetin),山奈酚(kaempferol),杨梅树皮素(myricetin),杜鹃黄素和二氢槲皮素(dihydroquercetin)。另含杜鹃醇(rhododen-drol),对-羟基苯甲酸(p-hydroxybenzoic acid),原儿茶酸(proto-catechuic acid),香草酸(vanillic acid)和丁香酸(syringic acid),此外还含邻-焦儿茶酸(o-pyrocatechuic acid)。【性味】辛;甘;性温【功能主治】和血;散瘀;止咳。主吐血;便血;痢疾;崩漏;咳嗽;跌打损伤【用法用量】内服:煎汤,15-30g。外用:适量,煎水洗。