''Protobothrops jerdonii bourreti'', commonly known as Bourret's pitviper, Gumprecht A, Tillack F, Orlov NL,

Captain A Captain is a title, an appellative for the commanding officer of a military unit; the supreme leader of a navy ship, merchant ship, aeroplane, spacecraft, or other vessel; or the commander of a port, fire or police department, election precinct, e ...

, Ryabov S (2004). ''Asian Pitvipers''. First Edition. Berlin: GeitjeBooks. 368 pp. . is a

subspecies In biological classification, subspecies is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (morphology), but that can successfully interbreed. Not all species ...

of venomous

pit viper The Crotalinae, commonly known as pit vipers,Mehrtens JM (1987). ''Living Snakes of the World in Color''. New York: Sterling Publishers. 480 pp. . crotaline snakes (from grc, κρόταλον ''krotalon'' castanet), or pit adders, are a subfa ...

in the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Viperidae The Viperidae (vipers) are a family of snakes found in most parts of the world, except for Antarctica, Australia, Hawaii, Madagascar, and various other isolated islands. They are venomous and have long (relative to non-vipers), hinged fangs tha ...

. The subspecies is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making i ...

Etymology

The subspecific name, ''bourreti'', is in honor of

French French (french: français(e), link=no) may refer to: * Something of, from, or related to France ** French language, which originated in France, and its various dialects and accents ** French people, a nation and ethnic group identified with Franc ...

herpetologist René Léon Bourret. Beolens B, Watkins M,

Grayson M Grayson may refer to: Places Canada * Grayson, Saskatchewan * Rural Municipality of Grayson No. 184, Saskatchewan United States * Grayson, California * Grayson, Georgia ** Grayson High School * Grayson, Kentucky * Grayson, Louisiana * Gray ...

(2011). ''The Eponym Dictionary of Reptiles''. Baltimore: Johns Hopkins University Press. xiii + 296 pp. . (''Protobothrops jerdonii bourreti'', p. 35).

Description

The scalation of ''P. j. bourreti'' includes 21-23 rows of

dorsal scales In snakes, the dorsal scales are the longitudinal series of plates that encircle the body, but do not include the ventral scales. Campbell JA, Lamar WW (2004). ''The Venomous Reptiles of the Western Hemisphere''. Ithaca and London: Comstock Publis ...

at midbody, 189-192

ventral scales In snakes, the ventral scales or gastrosteges are the enlarged and transversely elongated scales that extend down the underside of the body from the neck to the anal scale. When counting them, the first is the anteriormost ventral scale that conta ...

, 65-72

subcaudal scales In snakes, the subcaudal scales are the enlarged plates on the underside of the tail.Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates (7th printing, 1985). 1105 pp. . These scales may be either single or divided (pair ...

, and 7-8

supralabial scales In reptiles, the supralabial scales, also called upper-labials, are those scales that border the mouth opening along the upper jaw. They do not include the median scaleWright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates ( ...

Geographic range

''P. j. bourreti'' is found in Northwestern

(in the provinces of

Lào Cai Lào Cai () is a city in the Northwest region of Vietnam. It is the capital of Lào Cai Province. The city borders Bảo Thắng District, Bát Xát District, Sa Pa and the city of Hekou Yao Autonomous County, in Yunnan province of southwes ...

and

Lai Châu Lai Châu () is a city in the Northwest region of Vietnam. It is the capital city of Lai Châu Province. The city borders Phong Thổ District, Sìn Hồ District và Tam Đường District. History Lai Châu, or Muang Lay (Vietnamese: Mư� ...

), and possibly also in adjacent China] (

Yunnan Yunnan , () is a landlocked Provinces of China, province in Southwest China, the southwest of the People's Republic of China. The province spans approximately and has a population of 48.3 million (as of 2018). The capital of the province is ...

). The type locality given is "Chapa" (

Tonkin Tonkin, also spelled ''Tongkin'', ''Tonquin'' or ''Tongking'', is an exonym referring to the northern region of Vietnam. During the 17th and 18th centuries, this term referred to the domain ''Đàng Ngoài'' under Trịnh lords' control, includi ...

, Vietnam).

Taxonomy

The

scientific name In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...

, ''P. j. bourreti'' ( Klemmer, 1963), is a replacement name for ''Trimeresurus j. meridionalis'' Bourret, 1935.

Etymology

Description

Geographic range

Taxonomy

See also

References

Further reading