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.)
For editors and proofreaders
Syllabification: em·press tree
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