Davidia involucrata

Davidia involucrata, the dove-tree, handkerchief tree, pocket handkerchief tree, or ghost tree, is a medium-sized deciduous tree in the family Nyssaceae. It was previously included with tupelos in the dogwood family, Cornaceae. It is native to South Central and Southwest China from Hubei to southern Gansu, south to Guizhou, Sichuan and Yunnan, but is widely cultivated elsewhere.