Alnus cremastogyne

About

Alnus cremastogyne is a species of flowering plant in the genus Alnus. It is a tree endemic to central and southern China, where it grows in Sichuan, southeastern Gansu, northern Guizhou, southern Shaanxi, and Zhejiang provinces. It is a large, fast-growing tree that can reach up to 40 metres in height. It grows in mountain and stream side forests from 500 to 3,000 metres elevation, where it prefers warm and sunny sites.

Summary from Wikipedia