Protobothrops xiangchengensis
Protobothrops xiangchengensis, commonly known as the Szechwan pit viper, Kham Plateau pit viper, or Sichuan lancehead, is a pit viper species endemic to the Hengduan Mountains in south-central China. No subspecies are currently recognized.
Taxonomy
Originally described as a member of the genus Trimeresurus, it was later reassigned to Protobothrops.
Description
Scalation includes 25 rows of dorsal scales at midbody, 175–194/181–194 ventral scales in males/females, 54–66/44–62 subcaudal scales and 7–8 supralabial scales.
Protobothrops xiangchengensis is endemic to the Hengduan Mountains in the provinces of Yunnan and western Sichuan, China. According to David & Tong, the type locality given is "Sichuan Province, Xiangcheng, altitude 3100 m ".