Are Stachyurus and Corylopsis both native to eastern Asia?
Stachyurus Stachyurus is the only genus in the flowering plant family Stachyuraceae, native to the Himalayas and eastern Asia. They are deciduous shrubs or small trees with pendent racemes of 4-petalled flowers which appear on the bare branches before the leaves. The plants have leaves with serrate margins. Stachyuraceae contains a single genus with eight species.
Agrostistachys indica Agrostistachys indica is a species of plant in the family Euphorbiaceae, known in Singapore as the leaf litter plant. The species is widespread across much of Southeast Asia as well as New Guinea, India, and Sri Lanka.