Paulownia tomentosa, common names princess tree, empress tree, or foxglove-tree, is a deciduous hardwood tree in the family Paulowniaceae, native to central and eastern China and the Korean Peninsula.
Catalpa, commonly also called catawba, is a genus of flowering plants in the family Bignoniaceae, native to warm temperate and subtropical regions of North America, the Caribbean, and East Asia.
Paulownia tomentosa
…can achieve remarkable size; leaves 98 centimetres (39 in) wide and almost as long have been reported. The leaves can be mistaken for those of the catalpa. The very fragrant flowers, large and violet-blue in colour are produced before the leaves in early spring, on panicles 10–30 centimetres (4–12 in…
Cataspec
"Beanpods" and leaf details of the northern catalpa