Nepenthes densiflora

Nepenthes densiflora () is a tropical pitcher plant endemic to Sumatra, where it grows at an altitude of between 1700 and 3200 m above sea level.
No forms or varieties of "N. densiflora" have been described.
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. densiflora" and three other related species.
Natural hybrids.
The following natural hybrids involving "N. densiflora" have been recorded.