Protobothrops xiangchengensis, commonly known as the Szechwan pit viper, Kham Plateau pitviper,[1][3][5] or Sichuan lancehead,[1] is a venomous pit viper species endemic to the Hengduan Mountains in south-central China.[1][5] No subspecies are currently recognized.[5][6]
Originally described as a member of the genus Trimeresurus, it was later reassigned to Protobothrops.[1][4][5]
Scalation includes 25 (23, 24) rows of dorsal scales at midbody, 175–194/181–194 ventral scales in males/females, 54–66/44–62 subcaudal scales and 7–8 (9 or 10) supralabial scales.[3]
Protobothrops xiangchengensis is endemic to the Hengduan Mountains in the provinces of Yunnan and western Sichuan, China.[1] According to David & Tong (1997), the type locality given is "Sichuan Province, Xiangcheng, altitude 3100 m [10,200 ft]".[2]
Protobothrops xiangchengensis, commonly known as the Szechwan pit viper, Kham Plateau pitviper, or Sichuan lancehead, is a venomous pit viper species endemic to the Hengduan Mountains in south-central China. No subspecies are currently recognized.
