Trimeresurus yunnanensis, commonly known as the Yunnan bamboo pitviper,[4] is a venomous pitviper species[5] endemic to China.

[4] It is found in southern China (Yunnan and southwestern Sichuan).

[3] The type locality given is "Tengyueh, Yunnan Province, China" (= Tengchong County).

[4] Zhao (1995) raised this taxon back up to the level of a full species: T.

[4] This snake article is a stub.