Nepenthes ampullaria
| Nepenthes ampullaria | |
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| Rosette pitcher of Nepenthes ampullaria from Bako National Park, Borneo | |
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Core eudicots |
| Order: | Caryophyllales |
| Family: | Nepenthaceae |
| Genus: | Nepenthes |
| Species: | N. ampullaria |
| Binomial name | |
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Nepenthes ampullaria Jack (1835) |
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| Synonyms | |
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Nepenthes ampullaria (/nᵻˈpɛnθiːz ˌæmpʊˈlɛəriə/; Latin: ampulla "flask") is a very distinctive and widespread species of tropical pitcher plant, present in Borneo, the Maluku Islands, New Guinea, Peninsular Malaysia, Singapore, Sumatra, and Thailand.
Nepenthes ampullaria, unlike other members of its genus, has evolved away from carnivory and the plants are partly detritivores, collecting and digesting falling leaf litter in their pitchers.
In the 1996 book Pitcher-Plants of Borneo, N. ampullaria is given the vernacular name flask-shaped pitcher-plant. This name, along with all others, was dropped from the much-expanded second edition, published in 2008.
Due to its unique pitcher morphology and unusual growth habit, it is difficult to confuse N. ampullaria with any other species in the genus. Francis Ernest Lloyd translated Troll's 1932 account of this species as follows:
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