According to field survey,one species of Zanthoxylum Linn.is reported as a new record to Jiangsu,where is also the northern boundary of its distribution.Zanthoxylum ailanthoides Sieb.et Zucc.is previously known from the tropical and subtropical of Southeast China (Fujian,Zhejiang,Jiangxi,Guangdong,Guangxi,Guizhou,Sichuan,Yunnan,Taiwan) to Southeast Asia and East Asia.The genus Zanthoxylum Linn.of Jiangsu is additionally recounted.The vouch specimen is hold in NJNUH.