The Paulowniaceae are now resolved as a distinct separate family consisting of the genus Paulownia. They are deciduous trees with large heart shaped leaves and long panicles of white-purple to lavender flowers native to eastern Asia. The most widely distributed and recognized species is Paulownia tomentosa with common names such as Princess tree, Empress tree, Kiri tree, Foxglove tree, and Phoenix tree.
^Angiosperm Phylogeny Group (2009), "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III", Botanical Journal of the Linnean Society, 161 (2): 105–121, doi:10.1111/j.1095-8339.2009.00996.x, hdl:10654/18083
^Angiosperm Phylogeny Group (2009), "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III", Botanical Journal of the Linnean Society, 161 (2): 105–121, doi:10.1111/j.1095-8339.2009.00996.x, hdl:10654/18083
^Olmstead, Richard G.; Zjhra, Michelle L.; Lohmann, Lúcia G.; Grose, Susan O.; Eckert, Andrew J. (September 2009). "A molecular phylogeny and classification of Bignoniaceae". American Journal of Botany. 96 (9): 1731–1743. doi:10.3732/ajb.0900004. ISSN0002-9122. PMID21622359.