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Dalbergia tonkinensis (or sua) is a species of legume in the Fabaceae family. It is a small tree, 5–13 metres (16–43 ft) tall, found in Hainan Island of China and Vietnam. It is threatened by habitat loss and overexploitation for timber.
Furniture made from sua wood is particularly prized in China. While commercial sales of sua are banned in Vietnam, private sales and auctions are still permitted. Individual trees have sold for over a million US dollars.
- Ban, N.T. (1998). "Dalbergia tonkinensis". IUCN Red List of Threatened Species. Version 2011.2. International Union for Conservation of Nature. Retrieved 18 May 2012.
- Dezhao Chen; Dianxiang Zhang & Kai Larsen. "Dalbergia tonkinensis". Flora of China. Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA. Retrieved 18 May 2012.
- "Endangered Vietnam tree felled for timber". The Australian. Deutsche Presse Agentur. 27 March 2017.
- Van Bien (Dan Viet) (2015). "Why do Chinese people have a mania for with Dan Huynh wood (Sua wood)". Truc Huy Villa. Archived from the original on 12 June 2017.
- "200-year-old sua tree sold for over $1 million". VietNamNet Online Newspaper. 11 April 2017. Archived from the original on 12 June 2017.
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