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Nepenthes sibuyanensis

Nepenthes sibuyanensis
Nepenthes sibuyanensis ASR 062007 guiting2 sibuyan.jpg
A lower pitcher of N. sibuyanensis from Mount Guiting-Guiting
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Core eudicots
Order: Caryophyllales
Family: Nepenthaceae
Genus: Nepenthes
Species: N. sibuyanensis
Binomial name
Nepenthes sibuyanensis
Nerz (1998)
Synonyms

Nepenthes sibuyanensis /nˈpɛnθz sɪˈbʊjənɛnsɪs/ is a tropical pitcher plant endemic to Sibuyan Island in the Philippines, after which it is named.

Nepenthes sibuyanensis was discovered during an expedition to the Philippines beginning in September 1996. The team comprised Thomas Alt, Phill Mann, Trent Smith, and Alfred Öhm. The species was formally described by Joachim Nerz in the March 1998 issue of the Carnivorous Plant Newsletter.

The holotype of N. sibuyanensis, sheet 051001, was collected on October 5, 1996, by Phill Mann and Trent Smith on Mount Guiting-Guiting at an elevation of 1300 m above sea level. The plant was growing on an open slope amongst high grasses and ferns of the genus Dipteris. The specimen includes a typical pitcher and was chosen as the holotype because the pitchers of this species are its most characteristic feature. Mann and Smith made three further collections of N. sibuyanensis on the same day and at the same altitude. These were sheet 051002, which includes vegetative parts without pitchers, sheet 051003, which consists of fruits, and sheet 051004, which includes male flowers. All four specimens are deposited at the National Herbarium of the Netherlands in Leiden.


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