Definition of empress tree in US English:

empress tree


  • A fast-growing paulownia widely grown as an ornamental in the US and now considered an ecological threat, in light of its prolific growth and reproductive capacity.

    paulownia tomentosa, family Scrophulariaceae

    • ‘Overall rankings for tree-of heaven [Ailanthus altissima Swingle] and empress tree [Paulownia tomentosa (Thunb.)’