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.
Cataspec
"Beanpods" and leaf details of the northern catalpa
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
…species are three-lobed. The appearance of the leaves sometimes causes confusion with species such as the unrelated tung tree (Vernicia fordii) and Paulownia tomentosa. Catalpa species bear broad panicles of showy flowers, generally in summer. The flower colour generally is white to yellow. In late summer or autumn…