Paulownia fortunei (Introduced)

Paulownia fortunei (Seem.) Hemsl., Gard. Chron., ser. 3 7: 448 448 1890. (Syn: Campsis fortunei Seem. (unresolved); Paulownia duclouxii Dode; Paulownia meridionalis Dode; Paulownia mikado T. Itô);

China (Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangxi,
Sichuan, Yunnan, Zhejiang, Hebei (I), Henan (I), Shaanxi (I), Shandong (I)),
Taiwan, Laos, Vietnam, Myanmar [Burma] as per Catalogue of life;

Keys in Flora of China are as below:

4 (1)	Capsule oblong to oblong-ellipsoid, 6-10 cm; pericarp woody, 3-6 mm; inflorescences subcylindric; corolla ventral plaits inconspicuous; calyx 2-2.5 cm	4 Paulownia fortunei
+	Capsule ovoid, ovoid-ellipsoid, or ellipsoid, 3-5.5 cm; pericarp not woody, to 3 mm; inflorescences pyramidal or narrowly conical; corolla ventral plaits conspicuous; calyx to 2 cm.	(5)

5 (4)	Capsule viscid-glandular hairy; calyx lobes as long as or longer than tube, not glabrescent	1 Paulownia tomentosa
+	Capsule pubescent when young; calyx lobes shorter than tube, partly glabrescent.	(6)