John Muirhead Macfarlane

Nepenthes truncata (; from Latin truncatus "terminating abruptly") 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 0–1,500 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 robcantleyi was once considered a dark, highland form of this species.

Nepenthes merrilliana (; after Elmer Drew Merrill) is a tropical pitcher plant endemic to the Philippines. It produces some of the largest pitchers in the genus, rivalling those of N. rajah. The species is native to northern and central Mindanao as well as neighbouring Dinagat and Samar. Its presence in southern Mindanao is uncertain. It inhabits coastal forest areas on steep slopes at elevations of 0–1,100 m above sea level. Nepenthes surigaoensis is closely related to N. merrilliana and was for a long time considered a heterotypic synonym of this species. Nepenthes samar is another closely

Nepenthes deaniana (; after Dean C. Worcester) is a tropical pitcher plant endemic to the Philippines, where it grows at an altitude of 1,180–1,296 m above sea level. The species is known only from the summit region of Thumb Peak, a relatively small, ultramafic mountain in Puerto Princesa Province, Palawan. Nepenthes deaniana has no known natural hybrids. No forms or varieties have been described. In his Carnivorous Plant Database, taxonomist Jan Schlauer treats N. gantungensis, N. leonardoi and N. mira as heterotypic synonyms of N. deaniana. Adolph Daniel Edward Elmer recorded a plant from

Nepenthes philippinensis is a tropical pitcher plant endemic to the Philippines. It is known from Palawan and the neighbouring Calamian Islands (including Busuanga, Coron, and Culion) and Linapacan, where it grows at 0–600 metres (2,000 ft) above sea level.

Nepenthes neoguineensis is a tropical pitcher plant native to the island of New Guinea, after which it is named.

Nepenthes hemsleyana is a tropical pitcher plant endemic to Borneo, where it grows in peat swamp forest and heath forest below 200 m above sea level. The specific epithet hemsleyana honours English botanist William Botting Hemsley, who described N. macfarlanei and N. smilesii.

Nepenthes copelandii (; after Edwin Copeland) is a species of pitcher plant native to the island of Mindanao in the Philippines. Originally known from Mount Apo near Davao City and Mount Pasian near Bislig, it has since been discovered on a number of peaks throughout Mindanao. It may also be present on the nearby island of Camiguin. The species has a wide altitudinal distribution of 1100–2400 m above sea level. Nepenthes copelandii has no known natural hybrids. No forms or varieties have been described. The Mount Apo form has been cultivated by Australian hobbyists since the early 1980s, the

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Nepenthes beccariana is a tropical pitcher plant. The species was described in 1908 by John Muirhead Macfarlane based on a specimen collected from the island of Nias, which lies off the western coast of Sumatra. It appears to be closely related to both N. longifolia and N. sumatrana, and the former is possibly a heterotypic synonym of this taxon.

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