Trimeresurus stejnegeri yunnanensis

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Trimeresurus stejnegeri yunnanensis
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Viperidae
Genus: Trimeresurus
Species: T. stejnegeri
Subspecies: T. s. yunnanensis
Trinomial name
Trimeresurus stejnegeri yunnanensis
Schmidt, 1925
  • Trimeresurus yunnanensis Schmidt, 1925
  • Trimeresurus gramineus yunnanensis Stejneger, 1927
  • Trimeresurus stejnegeri yunnanensis Pope, 1935[2]
  • Trimeresurus yunnanensis
    Zhao, 1995
  • Viridovipera yunnanensis
    – Malhotra & Thorpe, 2004
  • Trimeresurus (Viridovipera) yunnanensis
    – David et al., 2011[3]
Common names: Yunnan bamboo pitviper.[4]

Trimeresurus stejnegeri yunnanensis is a venomous pitviper subspecies[5] endemic to China.


The scalation includes 19 ( or 21) rows of dorsal scales at midbody, 154-164/150-172 ventral scales in males/females, 61-71/52-65 subcaudal scales in males/females, and 9-11 supralabial scales.[4]

Geographic range[edit]

It is found in southern China (Yunnan and southwestern Sichuan).[3] The type locality given is "Tengyueh, Yunnan Province, China" (= Tengchong County).[4]


Zhao (1995) raised this taxon back up to the level of a full species: T. yunnanensis.[4]

See also[edit]


  1. ^
  2. ^ McDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, Volume 1. Herpetologists' League. 511 pp. ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).
  3. ^ a b The Reptile Database.
  4. ^ a b c d Gumprecht A, Tillack F, Orlov NL, Captain A, Ryabov S. 2004. Asian Pitvipers. Geitje Books. Berlin. 1st Edition. 368 pp. ISBN 3-937975-00-4.
  5. ^ "Trimeresurus stejnegeri yunnanensis". Integrated Taxonomic Information System. Retrieved 12 August 2008. 

Further reading[edit]

  • Schmidt, K.P. 1925. New Reptiles and a New Salamander from China. American Museum Novitates (157): 1-5. ("Trimeresurus yunnanensis, new species", pp. 4-5.)