Nepenthes pervillei is a tropical pitcher plant

Pitcher plant

Pitcher plants are carnivorous plants whose prey-trapping mechanism features a deep cavity filled with liquid known as a pitfall trap. It has been widely assumed that the various sorts of pitfall trap evolved from rolled leaves, with selection pressure favouring more deeply cupped leaves over...

 endemic to the Seychelles

Seychelles

Seychelles , officially the Republic of Seychelles , is an island country spanning an archipelago of 115 islands in the Indian Ocean, some east of mainland Africa, northeast of the island of Madagascar....

, specifically the islands of Mahé

Mahé, Seychelles

Mahé is the largest island of the Seychelles, lying in the north east of the nation. The population of Mahé is 80,000. It contains the capital city of Victoria and accommodates 90% of the country's total population...

 and Silhouette

Silhouette Island

Silhouette Island lies 20 km northwest of Mahé in the Seychelles. It is the third largest island in the Seychelles. It has an area of 20 km² and has a population of 135, mostly workers on the island. The main settlement is La Passe, where there is a hotel for visitors to Silhouette...

. It grows in rocky areas near granitic

Granite

Granite is a common and widely occurring type of intrusive, felsic, igneous rock. Granite usually has a medium- to coarse-grained texture. Occasionally some individual crystals are larger than the groundmass, in which case the texture is known as porphyritic. A granitic rock with a porphyritic...

 mountain summits at elevations of between 350 and 750 m above sea level.

The species was originally described as Nepenthes pervillei in 1852, but was later placed in the monotypic

Monotypic

In biology, a monotypic taxon is a taxonomic group with only one biological type. The term's usage differs slightly between botany and zoology. The term monotypic has a separate use in conservation biology, monotypic habitat, regarding species habitat conversion eliminating biodiversity and...

 genus

Genus

In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 Anurosperma as Anurosperma pervillei, based on the morphology

Morphology (biology)

In biology, morphology is a branch of bioscience dealing with the study of the form and structure of organisms and their specific structural features....

 of its seed

Seed

A seed is a small embryonic plant enclosed in a covering called the seed coat, usually with some stored food. It is the product of the ripened ovule of gymnosperm and angiosperm plants which occurs after fertilization and some growth within the mother plant...

s, which differ from the closely allied N. madagascariensis

Nepenthes madagascariensis

Nepenthes madagascariensis is one of two Nepenthes pitcher plant species native to Madagascar, the other being N. masoalensis.-Botanical history:...

(and the other members of Nepenthes

Nepenthes

The Nepenthes , popularly known as tropical pitcher plants or monkey cups, are a genus of carnivorous plants in the monotypic family Nepenthaceae. The genus comprises roughly 130 species, numerous natural and many cultivated hybrids...

) in that they lack the 'tails' characteristic of the rest of the genus. However, the more recent taxonomic database of Jan Schlauer subsumes Anurosperma back into Nepenthes.

The mite

Mite

Mites, along with ticks, are small arthropods belonging to the subclass Acari and the class Arachnida. The scientific discipline devoted to the study of ticks and mites is called acarology.-Diversity and systematics:...

 Creutzeria seychellensis has been recorded from the pitchers of N. pervillei.