1) Small tree native to Japan 2) Small tree with white flowers 3) Styrax 4) Styrax obassia 
(Styrax) This group of deciduous and evergreen trees and shrubs are natives of North America, Europe and Asia. They are commonly known as Snowbells or Storax. S. japonica (Japanese Snowbell) is an attractive, slow-growing, flowering shrub or tree that eventually reaches a height of up to 30 feet. It produces a round head of wide-spreading branches ...
[n] - small tree native to Japan
Styrax obassia noun small tree native to Japan