Satomi schreef een oplossing in de plantenherkenner van Sophora.
Nee inderdaad, Sophora. Nergens te vinden maar blijkbaar vrij makkelijk te vermeerderen door stekken of zaaien: .... "Pterostyrax xylocarpum ( Chinese Parasol Storax )
Also called Melliodendron xylocarpum and Woodyfruit Melliodendron. A rare, moderate growing, dense, large tree that in the one and only member of the genus Melliodendron that is native to central and southern China and reaches up to 50 x 30 feet. Some records include: 15 years - 27 feet ( average ); largest on record - 66 feet.
The oblong to elliptic, papery leaves are up to 8.5 x 3 inches in size.
The foliage is bright green, appears very early in spring and persists very late in autumn. In mild climates, the foliage may become semi-evergreen.
The very showy, wide opening white flowers are up to 2.8 inches across, borne during early spring with the emerging foliage. The flowers sometimes open pink before turning to white. This is among the most beautiful of all flowering trees and rivals the best Flowering Dogwoods.
The woody pear-shaped fruits are up to 3 x 1.6 inches in size ripening during mid-summer and lasting to mid-autumn.
The bark is gray-brown and exfoliating. The shoots are gray-brown with ovate winter buds up to 0.4 inches in length.
Hardy zones 7 to 9, it is tolerant of hot humid summers such as occur in its native range but also thrives in the Pacific Northwest. Preferring partially shaded woodland conditions, it prefers deep, fertile, moist, well drained soil. It does not tolerate poorly drained clay soils. Generally pest and disease free. Propagation is easy from cuttings band also from seed."