any of a genus (Paulownia) of Asiatic trees of the figwort family, with large, heart-shaped leaves and large, erect clusters of violet flowers; esp., a tree (P. tomentosa) having fragrant, violet flowers like those of foxglove
See paulownia in American Heritage Dictionary 4
(pô-lōˈnē-ə)
noun
Any of several Chinese deciduous trees of the genus Paulownia, having large, heart-shaped, opposite leaves and pyramidal panicles of purplish or white flowers with a spotted interior. Also called princess tree.