Nepenthes gymnamphora

Image:Nepenthes pectinata.gif

The N. gymnamphora group of related taxa has been variously interpreted as comprising a single extremely variable species (N. gymnamphora);McPherson, S.R. 2009. Pitcher Plants of the Old World. 2 volumes. Redfern Natural History Productions, Poole.Schlauer, J. N.d. [http://www.omnisterra.com/bot/cp_home.cgi?name=Nepenthes+gymnamphora Nepenthes gymnamphora] {{Webarchive|url=https://web.archive.org/web/20110617120651/http://www.omnisterra.com/bot/cp_home.cgi?name=Nepenthes+gymnamphora |date=2011-06-17 }}. Carnivorous Plant Database. two distinct species, one from Java (N. gymnamphora) and one from Sumatra (N. pectinata);Jebb, M.H.P. & M.R. Cheek 1997. A skeletal revision of Nepenthes (Nepenthaceae). Blumea 42(1): 1–106.Cheek, M.R. & M.H.P. Jebb 2001. Nepenthaceae. Flora Malesiana 15: 1–157. or two species, one with a wide distribution covering Java and Sumatra (N. gymnamphora) and one with a very restricted range in Sumatra (N. xiphioides).Salmon, B.R. & R.G. Maulder 1995. [http://www.carnivorousplants.org/cpn/Species/v24n3p77_85.html Two New Species of Nepenthes from North Sumatra, Indonesia]. Carnivorous Plant Newsletter 24(3): 77–85. An additional fourth undescribed taxon, known from Mount Sorik Merapi in Sumatra, may also fall within N. gymnamphora.Clarke, C.M. 2001. Nepenthes of Sumatra and Peninsular Malaysia. Natural History Publications (Borneo), Kota Kinabalu.

Nepenthes pectinata{{Ref_label|A|a|none}} was described by B. H. Danser in his seminal 1928 monograph "The Nepenthaceae of the Netherlands Indies".Danser, B.H. 1928. The Nepenthaceae of the Netherlands Indies. Bulletin du Jardin Botanique de Buitenzorg, Série III, 9(3–4): 249–438. Danser's description of N. pectinata was based on material that included upper pitchers of N. singalana. This was first noted in 1994 by Jan Schlauer and Joachim Nerz, who provided a lectotype for N. pectinata: Bünnemeijer 700, a specimen collected on Mount Talakmau.Schlauer, J. & J. Nerz 1994. Notes on Nepenthes (Nepenthaceae). I. Contributions to the Flora of Sumatra. Blumea 39: 139–142.

Danser mentioned another specimen in his monograph that he identified as the natural hybrid N. pectinata × N. singalana, but which actually represented a pure N. singalana.

Nepenthes pectinata has a separate conservation status of Least Concern on the IUCN Red List.Clarke, C.M., R. Cantley, J. Nerz, H. Rischer & A. Witsuba 2000. [http://www.iucnredlist.org/search/details.php/39686/all Nepenthes pectinata]. 2006 IUCN Red List of Threatened Species. IUCN 2006. Retrieved on 12 May 2006.

Nepenthes xiphioides{{Ref_label|B|b|none}} was described by Bruce Salmon and Ricky Maulder in a 1995 issue of the Carnivorous Plant Newsletter. The authors treated N. pectinata as conspecific with N. gymnamphora, and distinguished N. xiphioides from the latter based on a number of characters shown in the table below.

class="wikitable" text-align: left;" |+ Morphological differences between N. gymnamphora and N. xiphioides according to Salmon & Maulder (1995) ! Morphological character !! N. gymnamphora !! N. xiphioides
Longitudinal leaf veins	3-6 running in outer 2/3- 4/5 of blade	2-3 running in outer 1/2 of blade
Leaf margins	covered with short dense hair	glabrous
Rosette leaf tendril	about as long as the pitcher	2-3 times as long as the leaf
Rosette pitchers	{{convert|8
12|cm|in|0}} tall, {{convert|3
4|cm|in|0}} broad	{{convert|4
5.5|cm|in}} tall, {{convert|1.5
2|cm|in|sigfig=1}} broad
Aerial pitchers	present	absent
Peristome teeth	3-6 times as long as broad	6-8 times as long as broad
Inflorescence	mostly 2 flowered, upper most ones 1 flowered; rarely most or all of them 1 flowered	1 flowered but bearing some 2 flowered pedicels in lower 1/3
Staminal column	hairy at base or over whole length	glabrous

• Nepenthes gymnamphora var. haematamphora Miq. (1851)
• Nepenthes gymnamphora var. pectinata (Danser) Hort.Westphal (1999) in sched.

• N. bongso × N. gymnamphora
• N. gymnamphora × N. mikei [=N. × pangulubauensis]
• N. gymnamphora × N. ovata
• N. gymnamphora × N. reinwardtiana
• ? N. gymnamphora × N. rhombicaulis
• N. gymnamphora × N. singalana
• N. gymnamphora × N. spathulata
• N. gymnamphora × N. spectabilis
• N. gymnamphora × N. talangensis

File:Nepenthes natural hybrid Sumatra1.jpg|? N. gymnamphora × N. spectabilis

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:a.{{Note_label|A|a|none}}Nepenthes pectinata is pronounced {{IPAc-en|n|ᵻ|ˈ|p|ɛ|n|θ|iː|z|_|ˌ|p|ɛ|k|t|ᵻ|ˈ|n|ɑː|t|ə}}. The specific epithet is derived from the Latin word pectinata, meaning "comb-shaped".

:b.{{Note_label|B|b|none}}Nepenthes xiphioides is pronounced {{IPAc-en|n|ᵻ|ˈ|p|ɛ|n|θ|iː|z|_|z|ɪ|f|iː|ˈ|ɔɪ|d|iː|z}}. The specific epithet is derived from the Neo-Latin word xiphius (sword) and the Latin ending -oides (resembling), and refers to the long, thin teeth lining the inner margin of the peristome of this species.

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{{Reflist|2}}

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• [http://www.cpphotofinder.com/nepenthes-gymnamphora-598.html Photographs of N. gymnamphora] at the Carnivorous Plant Photofinder
• [http://vimeo.com/41280129 Documentary film about N. gymnamphora]

{{Nepenthes}}

{{Taxonbar|from=Q4189835}}

Category:Carnivorous plants of Asia

gymnamphora

Category:Plants described in 1824

Category:Least concern plants