IUCN threat status:

Data Deficient (DD)

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The dangerously venomous Trimeresurus medoensis (sometimes segregated into the genus Viridovipera as V. medoensis, e.g., Malhotra and Thorpe 2004; Guo et al. 2009; but see Hoser 2012) is known from China (Xizang Autonomous Region = Tibet), Myanmar (Kachin State: Naung Mon, Rainbow Village, Myitkina, Alangdunhku), and India (Arunachal Pradesh). It is reportedly associated with bamboo stands in evergreen forest and is active at night. (Leviton et al. 2003 and references therein)

Peng and Fuji (2001) compared the hemipenes of several species of Trimeresurus, including the hemipenis of T. medoensis, described for the first time.

Leviton et al. (2003) provide a technical description of Trimeresurus medoensis: Scales in 17 longitudinal rows at midbody, dorsal rows 7-11 slightly keeled; 8 upper labials, first upper labials separated from nasals by a distinct suture; green or bluish green above, yellowish white below, the two separated by a bright bicolored red (below) and white (above)  ventrolateral stripe (in both males and females), which occupies the whole of the outermost scale row and a portion of the second row; ventrals less than 150; hemipenes short, thick, spinose. Total length: males 671 mm, females 650 mm; tail length: males 125 mm, females 115 mm.


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