What kind of tree is the itchy egg tree on the roadside?

It is a deciduous shrub or small tree of the family Crotalaceae. Because its trunk is thick and thin, it vibrates when touched gently by hand, as if it is ticklish, so it is named itchy tree.

Shu Wei is mainly distributed in Jiangsu, Shandong, Zhejiang, Anhui, Hebei, Henan, Hubei, Jiangxi, Beijing and Tianjin.