Betula alnoides

About

Betula alnoides is a species of birch that is native to countries including Bangladesh, Bhutan, Cambodia, China, India, Laos, Myanmar, Nepal, Thailand and Vietnam, at elevations of 300–2,100 m (1,000–7,000 ft) and higher in some cases. It is the southernmost of all known birch species, whose natural range reaches approximately 12° N in Cardamom Mountains, Cambodia.

Summary from Wikipedia