A new species of Paulownia, Paulownia serrata D. L. Fu et T. B. Zhao , sp. nov., was described in this paper.The species appears to be similar to P. kawakamii Ito, but it has some particular characteristics which can be distinguished with P. kawakamii Ito and other species of Paulownia. The main distinguishing features are that the margin of leaf is irregularity serrate, the inflorescent conical triplicate-ternate-cymes, the cyme 1~3-flowers generally 1-flower sine peduncles, the flower white, and there are sparse verruciform, cyathiform or acetabuliform glands on leaf, petiole and the inflorescent ramifications.The species wasfound and collected on April 25, 1999 in Zhuzhou, Hunan Province of China by Da-Li Fu. The holotype is kept at Henan Agricultural University, No. 199904251. [Nature and Science 2003;1(1):37-38].