Nepenthes truncata is a tropical pitcher plant endemic to the Philippines. It is known from the islands of Dinagat, Leyte, and Mindanao. The species grows at an elevation of 0–1500 m above sea level. Nepenthes truncata is characterised by its heart-shaped (truncate) leaves and very large pitchers, which can reach up to 40 cm in height.
Nepenthes alata is a tropical pitcher plant endemic to the Philippines. Like all pitcher plants, it is carnivorous and uses its nectar to attract insects that drown in the pitcher and are digested by the plant. It is highly polymorphic, and its taxonomy continues to be subject to revisions.
Nepenthes philippinensis is a tropical pitcher plant endemic to the Philippines. It is known from Palawan and the neighbouring Calamian Islands and Linapacan, where it grows at 0–600 metres (2,000 ft) above sea level.
Nepenthes petiolata is a highland Nepenthes pitcher plant species endemic to Mindanao island in the Philippines, where it grows at an elevation of 1,450–1,900 metres (4,800–6,200 ft) above sea level.
Nepenthes × merrilliata is a natural hybrid involving N. alata and N. merrilliana. Like its two parent species, it is endemic to the Philippines, but limited by the natural range of N. merrilliana to Samar as well as Mindanao and its offshore islands.
Nepenthes × ventrata is a natural hybrid involving N. alata and N. ventricosa. Like its two parent species, it is endemic to the Philippines. The name was originally published in the Carnivorous Plant Newsletter in 1979.
Nepenthes 'Ted Payne' is a cultivar of a manmade hybrid involving N. maxima and N. northiana. This cultivar name is not established as it was published without a description, violating Article 24.1 of the International Code of Nomenclature for Cultivated Plants. It is a later synonym of N. × mixta.
Nepenthes 'Alba' is a cultivar of a complex manmade hybrid involving N. maxima, N. mirabilis, N. northiana, N. rafflesiana, N. veitchii, and a plant identified as N. thorelii. It was bred by Bruce Lee Bednar and Orgel Clyde Bramblett in 1990. This cultivar name is not established as it was published without a description, violating Article 24.1 of the International Code of Nomenclature for Cultivated Plants, and has a Latin epithet, violating Article 19.13. It is a synonym of N. × hareliana and was originally published in the March 1994 issue of the Carnivorous Plant Newsletter as "x hareliana var. alba".
Nepenthes 'Alta May' is a cultivar of a manmade hybrid between N. distillatoria and N. ventricosa. It was bred by Bruce Lee Bednar and Orgel Clyde Bramblett in 1989. This cultivar name is not established as it was published without a description, violating Article 24.1 of the International Code of Nomenclature for Cultivated Plants. It is a synonym of N. × butcheri and was originally published in the March 1994 issue of the Carnivorous Plant Newsletter as "x butcherii var. “Alta May”". Bednar and Bramblett listed its parentage as "distillatoria rubra x ventricosa (pink)".
Nepenthes 'Amy Michelle' is a cultivar of a manmade hybrid between N. rafflesiana and a plant identified as N. thorelii. It was bred by Bruce Lee Bednar and Orgel Clyde Bramblett in 1989. This cultivar name is not established as it was published without a description, violating Article 24.1 of the International Code of Nomenclature for Cultivated Plants. It is a later synonym of N. 'Delectable Koto'. The cultivar name 'Amy Michelle' first appeared in print in the March 1994 issue of the Carnivorous Plant Newsletter as "x “Amy Michelle”". Bednar and Bramblett listed its parentage as "thorelii x rafflesiana nivea".
Nepenthes 'Boca Rose' is a cultivar of a complex manmade hybrid involving N. maxima, N. mirabilis, N. northiana, N. rafflesiana, N. veitchii, and a plant identified as N. thorelii. It was bred by Bruce Lee Bednar and Orgel Clyde Bramblett in 1990. This cultivar name is not established as it was published without a description, violating Article 24.1 of the International Code of Nomenclature for Cultivated Plants, and Jan Schlauer considers the epithet "doubtfully acceptable" as it may conflict with Article 19.24. Nepenthes 'Boca Rose' is a synonym of N. × hareliana and was originally published in the March 1994 issue of the Carnivorous Plant Newsletter as "x hareliana var. “Boca Rose”".
Nepenthes 'Rouge' is a cultivar of a complex manmade hybrid involving N. maxima, N. mirabilis, N. northiana, N. rafflesiana, N. veitchii, and a plant identified as N. thorelii. It was bred by Bruce Lee Bednar and Orgel Clyde Bramblett in 1990. This cultivar name is not established as it was published without a description, violating Article 24.1 of the International Code of Nomenclature for Cultivated Plants, and the epithet is illegitimate as it conflicts with Recommendation 19D.1. Nepenthes 'Rouge' is a synonym of N. × hareliana and was originally published in the March 1994 issue of the Carnivorous Plant Newsletter as "x hareliana var. rouge".
Nepenthes 'Vittata' is a cultivar of a complex manmade hybrid involving N. maxima, N. mirabilis, N. northiana, N. rafflesiana, N. veitchii, and a plant identified as N. thorelii. It was bred by Bruce Lee Bednar and Orgel Clyde Bramblett in 1990. This cultivar name is not established as it was published without a description, violating Article 24.1 of the International Code of Nomenclature for Cultivated Plants, and has a Latin epithet, violating Article 19.13. It is a synonym of N. × hareliana and was originally published in the March 1994 issue of the Carnivorous Plant Newsletter as "x hareliana var. vittata".
Nepenthes 'Dwarf Peacock' is a cultivar of a complex manmade hybrid involving N. khasiana, N. ventricosa, and a plant identified as N. thorelii. It was bred by Bruce Lee Bednar and Orgel Clyde Bramblett in 1986. This cultivar name is not established as it was published without a description, violating Article 24.1 of the International Code of Nomenclature for Cultivated Plants. It first appeared in print in the March 1994 issue of the Carnivorous Plant Newsletter as "x “Dwarf Peacock”". Bednar and Bramblett listed its parentage as "thorelii x Savanah Rose" [sic].
Nepenthes 'LeeAnn Marie' is a cultivar of a manmade hybrid involving N. alata and N. ventricosa. It was bred by Bruce Lee Bednar in 1982. This cultivar name is not established as it was published without a description, violating Article 24.1 of the International Code of Nomenclature for Cultivated Plants. It is a later synonym of N. × ventrata and first appeared in print in the March 1994 issue of the Carnivorous Plant Newsletter as "x “LeeAnn Marie”". Bednar and Bramblett listed its parentage as "ventricosa x ventrata G".
Nepenthes 'Michael Lee' is a cultivar of a complex manmade hybrid involving N. alata, N. ampullaria, N. gracilis, N. khasiana, N. rafflesiana, and N. ventricosa. It was bred by Bruce Lee Bednar and Orgel Clyde Bramblett in 1986. This cultivar name is not established as it was published without a description, violating Article 24.1 of the International Code of Nomenclature for Cultivated Plants. It first appeared in print in the March 1994 issue of the Carnivorous Plant Newsletter as "x “Michael Lee”".
Nepenthes 'Kalamity' is a cultivar of a complex manmade hybrid involving N. ampullaria, N. gracilis, N. khasiana, N. rafflesiana, N. ventricosa, and a plant identified as N. anamensis. It was bred by Bruce Lee Bednar and Orgel Clyde Bramblett in 1988. This cultivar name is not established as it was published without a description, violating Article 24.1 of the International Code of Nomenclature for Cultivated Plants. It first appeared in print in the March 1994 issue of the Carnivorous Plant Newsletter as "x kalamity".
Nepenthes robcantleyi, or Robert Cantley's pitcher plant, is a tropical pitcher plant endemic to the Philippine island of Mindanao. It is closely allied to N. truncata and was once considered a dark, highland form of this species. Nepenthes veitchii from Borneo is also thought to be a close relative.
Nepenthes nebularum is a tropical pitcher plant native to southeastern Mindanao in the Philippines. The species was described by Geoff Mansell, owner of Exotica Plants, and Filipino botanist Wally Suarez. It has so far been recorded with certainty from only two mountains (Mount Hafas & undisclosed location, where it grows in submontane mossy forest at an altitude of up to 1800 m above sea level. It has been found in close proximity to N. copelandii, N. truncata, and a taxon matching the description of N. cornuta.
