Cultivation areas of Eucommia ulmoides in China are divided into central,main.marginal and introduction districts according to the current Cultivation situations and biological features of E.ulmoides.

• 根据我国杜仲栽培现状分布及杜仲生物学特性，将全国杜仲栽培区划为中心栽培区、主要栽培区、边缘区和引种区，17个亚区，30个地区。