产地主产广东、江苏、浙江等省,其他东南各省亦有出产。加工方法采摘其叶,刷去背面细绒毛,鲜叶入药;或将下之叶,摊平叠扎成小把,晒干药用。品质性味枇杷树系常绿灌木。广东产叶长橢圆形,张大而厚,有皱纹,边缘有锯齿,叶革质状而扁平。正面色紫戏有光泽,背面密生灰色绒毛,毛易去掉。气味微苦。一般认为品质较佳。江浙产叶小而薄,质脆。背面绒毛多,且较难去净。色青绿。一般认为品质较 The main producing areas are Guangdong, Jiangsu, Zhejiang, and other southeastern provinces. The processing method is to pick the leaves, brush the back fine hairs, and use the fresh leaves as medicine; or the lower leaves are flattened and stacked into small ones, and dried medicinally. The quality flavor of eucalyptus is an evergreen shrub. Produced in Guangdong, the leaves are oval in shape, large and thick, with wrinkles, jagged edges, and flat, leathery leaves. The purple color on the front is shiny, with gray hair on the back, and the hair is easy to remove. Slightly bitter smell. It is generally believed that the quality is better. Jiangsu and Zhejiang produce small, thin leaves and are crisp. The back fluff is more, and it is more difficult to go to the net. Green blue. Generally believed that the quality is relatively