buttercup witch hazel, winter hazel (Corylopsis pauciflora)

Corylopsis pauciflora is a species in the Corylopsis genus. It is commonly known as buttercup witch hazel, winter hazel This name is accepted name for the species in the family Hamamelidaceae subfamily Hamamelidoideae, tribe Corylopsideae, . . This species is found in Taiwan and Japan.