Corylopsis pauciflora (buttercup witch hazel, winter hazel) is a species of flowering plant in the genus Corylopsis of the family Hamamelidaceae, native to Taiwan and Japan. It is a deciduous, spreading shrub growing to tall by wide. It produces masses of pale yellow flowers in pendent racemes in early spring, followed by leaves opening bronze and turning to rich green. It is cultivated in gardens and parks in temperate regions.