Nepenthes singalana

Nepenthes singalana (; after Mount Singgalang, West Sumatra) is a tropical pitcher plant endemic to the island of Sumatra, where it grows at 2000–2900 m above sea level. It is most closely allied to "N. diatas" and "N. spathulata".
Taxonomy.
In 2001, Charles Clarke performed a cladistic analysis of the "Nepenthes" species of Sumatra and Peninsular Malaysia using 70 morphological characteristics of each taxon. The following is part of the resultant cladogram, showing "Clade 3", which comprises "N. singalana" and three other related species.
Natural hybrids.
The following natural hybrids involving "N. singalana" have been recorded.