Are Stachyurus and Corylopsis both native to eastern Asia?
Corylopsis Corylopsis is a genus of nearly 30 species of shrubs in the witch hazel family, Hamamelidaceae, native to eastern Asia with the majority of species endemic in China but with some also in Japan, Korea, and the Himalayas. This genus is also known from the extinct species "Corylopsis reedae" described from Eocene leaf fossils found in Washington State, USA.
Procypris Procypris is a genus of cyprinid fish that is found in eastern Asia. There are currently two recognized species in this genus.