Nepenthes ultra is a tropical pitcher plant native to the Philippine island of Luzon, where it grows at low altitude on ultramafic soils (hence the name).[1]

Nepenthes ultra
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Order:	Caryophyllales
Family:	Nepenthaceae
Genus:	Nepenthes
Species:	N. ultra
Binomial name
Nepenthes ultra Jebb & Cheek (2013)[1]

Nepenthes ultra belongs to the informal "N. alata group",[1] which also includes N. alata, N. ceciliae, N. copelandii, N. extincta, N. graciliflora, N. hamiguitanensis, N. kitanglad, N. kurata, N. leyte, N. mindanaoensis, N. negros, N. ramos, and N. saranganiensis.[2][3][4] These species are united by a number of morphological characters, including winged petioles, lids with basal ridges on the lower surface (often elaborated into appendages), and upper pitchers that are usually broadest near the base.[2][3]

References

• Cheek, M. 2014. 12 new carnivorous plant species from the Philippines. Kew Science Blog, 20 January 2014.
• Mey, F.S. 2013. Nepenthes ultra, yet another new species from the Philippines. Strange Fruits: A Garden's Chronicle, November 6, 2013.
• Smith, L. 2014. Pitcher perfect - but carnivorous plants are at risk. The Independent, January 5, 2014.

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