Rosemary ( Rosmarinus oficinalis L. ), also known as oleifera, is a small evergreen shrub of the genus Lamiaceae, native to Europe, North Africa and the Mediterranean coast. In recent years, it has grown in Yunnan, Guangxi, Hainan and Hunan in China. , Sichuan, Guizhou, Fujian and other provinces are planted. Rosemary extract has the charac