Bourret's pitviper
Protobothrops jerdonii bourreti, commonly known as Bourret's pitviper, is a subspecies of venomous pitviper, a snake in the family Viperidae. The subspecies is endemic to Vietnam.
The subspecific name, bourreti, is in honor of French herpetologist René Léon Bourret.
The scalation of P. j. bourreti includes 21-23 rows of dorsal scales at midbody, 189-192 ventral scales, 65-72 subcaudal scales, and 7-8 supralabial scales.
P. j. bourreti is found in Northwestern Vietnam (in the provinces of Lào Cai and Lai Châu), and possibly also in adjacent China] (Yunnan). The type locality given is "Chapa" (Tonkin, Vietnam).