Betula alnoides (Chinese:西桦; pinyin:xi hua; Thai:กำลังเสือโคร่ง; Kảlạng s̄eụ̄x khor̀ng; literally: Tiger Power) is a species of birch that can be found in such countries as Burma, Bhutan, China, India, Nepal, Thailand and Vietnam on an elevation of 700–2,100 metres (2,300–6,900 ft).