Trigonobalanus doichangensis is a species of tree in the family Fagaceae that can reach 21 metres (69 ft) in height.[2] It is only found at few sites in Yunnan in China and at one site in Chiang Rai in Thailand.[3][4] It is threatened by habitat loss and degradation. In China it is under second-class national protection.[5]
^Chengjiu Huang; Yongtian Zhang & Bruce Bartholomew. "Formanodendron doichangensis". Flora of China. Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA. Retrieved 26 April 2012.
^Sun, W.; Zhou, Y.; Han, C.; Zeng, C.; Shi, X.; Xiang, Q.; Coombes, A. (2006). "Status and conservation of Trigonobalanus doichangensis (Fagaceae)". Biodiversity and Conservation. 15 (4): 1303–1318. doi:10.1007/s10531-005-3873-7. S2CID12993330.