Bignonia tomentosa Thunberg in Murray, Syst. Veg. ed. 14, 563. 1784; Incarvillea tomentosa (Thunberg) Sprengel; Paulownia grandifoliaHort. ex Wettstein; P. imperialis Siebold & Zuccarini; P. imperialis var. lanata Dode; P. recurva Rehder; P. lilacina Sprague; P. tomentosa var. japonica Elwes; P. tomentosa var. lanata (Dode) C. K. Schneider.

Leaf blade base cordate, abaxial surface densely hairy when mature. Fl. Apr-May, fr. Aug-Sep.

* Usually cultivated; below 1800 m. Anhui, Hebei, Henan, Hubei, Hunan, Jiangsu, Jiangxi, S Liaoning, Shaanxi, Shandong, Shanxi [cultivated in North America, Europe, Japan, and Korea].