Nepenthes inermis
| Nepenthes inermis | |
|---|---|
 |
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| An upper pitcher of N. inermis | |
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Core eudicots |
| Order: | Caryophyllales |
| Family: | Nepenthaceae |
| Genus: | Nepenthes |
| Species: | N. inermis |
| Binomial name | |
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Nepenthes inermis Danser (1928) |
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| Synonyms | |
Nepenthes inermis /nᵻˈpɛnθiːz ɪˈnɜːrmɪs/ is a tropical pitcher plant endemic to Sumatra. The specific epithet inermis is Latin for "unarmed" and refers to the upper pitchers of this species, which are unique in that they completely lack a peristome.
Nepenthes inermis was first collected on September 7, 1918, by H. A. B. Bünnemeijer on Mount Talang, at an altitude of 2,590 metres (8,500 ft) above sea level. Two further collections were made by Bünnemeijer on Bukit Gombak on November 16, 1918, at 2,300 metres (7,500 ft) and 2,330 metres (7,640 ft) A fourth specimen was taken on April 26, 1920, from an elevation of 1,800 metres (5,900 ft) on Mount Kerintji. This final specimen, Bünnemeijer 9695, was later designated as the lectotype of N. inermis by Matthew Jebb and Martin Cheek.
Nepenthes inermis was first illustrated in an issue of De Tropische Natuur published in 1927. A year later, B. H. Danser formally described N. inermis in his seminal monograph "The Nepenthaceae of the Netherlands Indies". He wrote: "This new species is easily distinguishable from all others by the peculiar pitchers without peristome and with very narrow lid. Probably it is most nearly related to N. Bongso."
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