Nepenthes rigidifolia
| Nepenthes rigidifolia | |
|---|---|
 |
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| An upper pitcher of Nepenthes rigidifolia at the type locality near Sidikalang, Sumatra | |
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Core eudicots |
| Order: | Caryophyllales |
| Family: | Nepenthaceae |
| Genus: | Nepenthes |
| Species: | N. rigidifolia |
| Binomial name | |
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Nepenthes rigidifolia Akhriadi, Hernawati & Tamin (2004) |
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| Synonyms | |
Nepenthes rigidifolia /nᵻˈpɛnθiːz ˌrɪdʒɪdᵻˈfoʊliə/ is a critically endangered tropical pitcher plant endemic to Sumatra, where it grows at elevations of 1000–1600 m above sea level.
The specific epithet rigidifolia is formed from the Latin words (rigid) and (leaves), and refers to the plant's stiff, leaf blades.Tahul-tahul has been recorded as a local vernacular name for this species.
Nepenthes rigidifolia was discovered by Ch'ien Lee some time before 2001. The species was mentioned as an undescribed taxon in Charles Clarke's 2001 book, Nepenthes of Sumatra and Peninsular Malaysia, under the name "Nepenthes species A". At the time, it was recorded as growing at an elevation of around 1600 m.
In 2004, Ch'ien Lee informally named the species N. alpicola and later N. aptera. Cultivated plants were sold under both of these names. Although intended to become scientific names, they were never published with an adequate description and are thus considered nomina nuda. Instead, the species was formally described later that year as N. rigidifolia by Pitra Akhriadi, Hernawati, and Rusjdi Tamin. The description was published on November 22, 2004. Two years later, Hernawati and Akhriadi covered the species in their book, A Field Guide to the Nepenthes of Sumatra, and assessed its conservation status.
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