{{Short description|Species of snake}} {{Speciesbox | image = Trimeresurus malcolmi Kinabalu Sabah Malaysia.jpg | image_caption = ''Trimeresurus malcolmi'' from Mount Kinabalu, Sabah, Malaysia | status = NT | status_system = IUCN3.1 | status_ref = <ref name="iucn status 19 November 2021">{{cite iucn |author=Das, I. |author-link=Indraneil Das |author2=Vogel, G. |author2-link=Gernot Vogel |author3=Inger, R.F. |author3-link=Robert F. Inger |author4=Auliya, M. |author4-link=Mark Auliya |author5=Iskandar, D. |author5-link=Djoko Iskandar |author6=Lilley, R. |author6-link=Ron Lilley |author7=Dehling, M. |date=2013 |title=''Trimeresurus malcolmi '' |volume=2013 |article-number=e.T191978A44273636 |doi=10.2305/IUCN.UK.2013-1.RLTS.T191978A44273636.en |access-date=19 November 2021}}</ref> | genus = Trimeresurus | species = malcolmi | authority = [[Arthur Loveridge|Loveridge]], 1938 | synonyms = *''Trimeresurus sumatranus malcolmi'' <br />{{small|Loveridge, 1938}} *''Trimeresurus sumatranus malcolmi'' <br />{{small|— [[species:Philippe Golay|Golay]] et al., 1993}}<ref name="McD99">[[Roy Wallace McDiarmid|McDiarmid RW]], [[Jonathan A. Campbell|Campbell JA]], [[T'Shaka A. Touré|Touré TA]] (1999). ''Snake Species of the World: A Taxonomic and Geographic Reference, Volume 1''. Washington, District of Columbia: Herpetologists' League. 511 pp. {{ISBN|1-893777-00-6}} (series). {{ISBN|1-893777-01-4}} (volume).</ref> *''Parias malcolmi'' <br />{{small|— [[species:Anita Malhotra|Malhotra]] & [[species:Roger S. Thorpe|Thorpe]], 2004}} *''Trimeresurus (Parias) malcolmi'' <br />{{small|— [[species:Patrick David|David]] et al., 2011}}<ref name=RDB>{{EMBL species|genus=Trimeresurus|species=malcolmi}} www.reptile-database.org.</ref> }}

'''''Trimeresurus malcolmi''''' is a [[species]] of [[pit viper]].<ref name="ITIS">{{ITIS |id=635284 |taxon=''Trimeresurus malcolmi '' |accessdate=28 July 2008}}</ref> The species is native to [[East Malaysia]]. [[Common name]]s include: '''Malcolm's pitviper''',<ref name="Gum04">[[species:Andreas Gumprecht|Gumprecht A]], [[species:Frank Tillack|Tillack F]], [[Nikolai Liutsianovich Orlov|Orlov NL]], [[Ashok Captain|Captain A]], [[Sergei Ryabov|Ryabov S]] (2004). ''Asian Pitvipers''. [First Edition]. Berlin: Geitje Books. 368 pp. {{ISBN|3-937975-00-4}}.</ref> '''Malcolm's tree viper''',<ref name="Meh87">[[John M. Mehrtens|Mehrtens JM]] (1987). ''Living Snakes of the World in Color''. New York: Sterling Publishers. 480 pp. {{ISBN|0-8069-6460-X}}.</ref> and '''Mt. Kinabalu pit viper'''.<ref name="Bro73">[[species:John Haynes Brown|Brown, John Haynes]] (1973). ''Toxicology and Pharmacology of Venoms from Poisonous Snakes''. Springfield, Illinois: Charles C. Thomas. 184 pp. LCCCN 73-229. {{ISBN|0-398-02808-7}}.</ref>

==Etymology== The [[Specific name (zoology)|specific name]], ''malcolmi'', is in honor of [[United Kingdom|British]] [[Herpetology|herpetologist]] [[Malcolm Arthur Smith]].<ref>[[Bo Beolens|Beolens B]], [[Michael Watkins (zoologist)|Watkins M]], [[Michael Grayson|Grayson M]] (2011). ''The Eponym Dictionary of Reptiles''. Baltimore: Johns Hopkins University Press. xiii + 296 pp. {{ISBN|978-1-4214-0135-5}}. (''Trimeresurus malcolmi'', pp. 166, 247).</ref>

==Description== The scalation of ''Trimeresurus malcolmi'' includes 19 rows of [[dorsal scales]] at midbody, 163-174 [[ventral scales]], 64-81/61-64 [[subcaudal scales]] in males/females, and 8-9 [[supralabial scales]]. It can also wiggle its tail back and forth when threatened.

==Common names== ''Trimeresurus malcolmi'' is known by several common names, including Kinabalu green pit viper,<ref name="iucn status 19 November 2021"/> Malcolm's pitviper,<ref name="Gum04"/> Malcolm's tree viper,<ref name="Meh87"/> Mt. Kinabalu pit viper, and Malcolm's pit viper.<ref name="Bro73"/>

==Geographic range== ''Trimeresurus malcolmi'' is found in [[East Malaysia]] at elevations of 1,000–1,600 metres (3,280–5,250 feet). The [[Type locality (biology)|type locality]] given is "Sungii River, near Bundutuan, [[Mount Kinabalu]], [[North Borneo|British North Borneo]] [[Sabah]], at an altitude circa 3,000 feet [914 m]".<ref name="McD99"/>

==Habitat== The preferred natural [[habitat]] of ''Trimeresurus malcolmi'' is [[forest]].<ref name="iucn status 19 November 2021"/>

==Reproduction== ''Trimeresurus malcolmi'' is [[Oviparity|oviparous]].<ref name=RDB/>

==References== {{Reflist}}

==Further reading== *{{cite book |last1=Das |first1=I. |author1-link=Indraneil Das |title=A Photographic Guide to Snakes and other Reptiles of Borneo |date=2006 |publisher=Ralph Curtis Books |location=Sanibel Island, Florida |isbn=0-88359-061-1}} 144 pp. (''Trimeresurus malcolmi'', p. 11). *{{cite book |last1=Golay |first1=P. |author1-link=species:Philippe Golay |last2=Smith |first2=H.M. |author2-link=Hobart Muir Smith |last3=Broadley |first3=D.G |author3-link=Donald George Broadley |last4=Dixon |first4=J.R. |author4-link=James R. Dixon |last5=McCarthy |first5=C.J. |author5-link=species:Colin John McCarthy |last6=Rage |first6=J.-C. |author6-link=species:Jean-Claude Rage |last7=Schätti |first7=B. |author7-link=species:Beat Schätti |last8=Toriba |first8=M. |author8-link=species:Michihisa Toriba |title=Endoglyphs and Other Major Venomous Snakes of the World: A Checklist |date=1993 |publisher=Azemiops Herpetological Data Center |location=Geneva}} 478 pp. *[[Arthur Loveridge|Loveridge, A.]] (1938). "New Snakes of the Genera ''Calamaria, Bungarus'' and ''Trimeresurus'' from Mount Kinabalu, North Borneo". ''Proceedings of the Biological Society of Washington'' '''51''': 43–45. (''Trimeresurus sumatranus malcolmi'', new subspecies, p.&nbsp;45). *{{cite book |last1=Stuebing |first1=Robert B. |author1-link=Robert Butler Stuebing |last2=Inger |first2=Robert F. |author2-link=Robert F. Inger |last3=Lardner |first3=Björn |title=A Field Guide to the Snakes of Borneo, Second Edition |date=2014 |publisher=Natural History Publications |location=Kota Kinabalu |isbn=978-983-812-151-4}} 310 pp.

{{Taxonbar|from1=Q3008818|from2=Q55220649}}

[[Category:Trimeresurus|malcolmi]] [[Category:Endemic fauna of Borneo]] [[Category:Fauna of the Borneo montane rain forests]] [[Category:Endemic fauna of Malaysia]] [[Category:Snakes of Malaysia]] {{Snake-stub}}