本文报道对我国１６省８２县乌桕主产区进行乌桕品种资源调查的结果。通过性状比较研究划分为４４个农家品种和１１个无性系品种，并描述了这些品种的分布和性状。 This paper reports the results of the survey on the species resources of Chinese tallow tree in the main producing areas of 82 species in 82 provinces of 16 provinces in China. The traits were divided into 44 peasant cultivars and 11 clones, and the distribution and traits of these cultivars were described.