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杜仲是我国的特产杜仲(Eucommia ulmoides oliv)又名丝棉木,属于杜仲科(Eucommiaceae),是我国的特产,它是一种药材又是硬橡膠资源。过去因为它的树皮是一种价值很贵的中药,受到滥伐和剥皮,经调查,各地已经没有野生的杜仲林,而只有零星栽培的树。杜仲在我国的分佈范围很广,黄河以南,一直到两广的北部都有它的蹤跡。据调查,原有杜仲及引种的省份有:山东、河南、陕西、甘肃、江苏、安徽、湖北、四川、浙江、江西、湖南、贵州、云南、广西计
Eucommia Eucommia ulmoides oliv, also known as silk cotton, belongs to Eucommiaceae and is a special product of our country. It is a medicinal material and a hard rubber resource. In the past because of its bark is a valuable traditional Chinese medicine, deforestation and peeling, after investigation, there is no wild eucommia everywhere, and only sporadic cultivation of trees. Eucommia distribution in our country a very wide range, south of the Yellow River, has been to the northern part of Guangdong and Guangxi have its traces. According to the survey, the original eucommia and the introduction of the provinces are: Shandong, Henan, Shaanxi, Gansu, Jiangsu, Anhui, Hubei, Sichuan, Zhejiang, Jiangxi, Hunan, Guizhou, Yunnan, Guangxi count