桑白皮为常用中药,具有泻肺平喘,利水消肿的功效。据明·李时珍《本草纲目》载:“桑根白皮……桑有数种,有白桑,叶大如掌而厚;鸡桑,叶花而薄;子桑,先湛而后叶;山桑,叶尖而长”,桑白皮不单来源于一种植物。为此,笔者对湖南省桑白皮的来源进行了调查,并进行了原植物鉴定。一、桑白皮的来源分布和药用情况经调查,湖南省药用桑白皮来源于桑科的 Mulberry white is a commonly used traditional Chinese medicine, with Xiefei asthma, diuresis swelling effect. According to Ming Li Shizhen’s “Compendium of Materia Medica,” it reads: "There are several kinds of mulberry roots and white mulberry trees. There are white mulberry trees, and the leaves are as large as the palms. The chicken mulberry leaves are thin and the flowers are thin. The mulberry, the first leaf and the latter leaf, the mountain mulberry, the leaf Sharp and long, Mulberry Bark not only comes from a plant. For this reason, the author investigated the source of Mulberry Bark in Hunan Province and conducted the original plant identification. I. Source distribution and medicinal use of mulberry bark After investigation, the medicinal mulberry white bark from Hunan Province came from Sankoh’s