Nepenthes ultra is described from low altitude, ultramafic coastal scrub in Luzon, Philippines. It is placed in the Nepenthes alata group and is assessed as Endangered using the IUCN 2001 standard. Open cast mining and touristic development are threats to this species.

Conservation, Luzon, Nepenthes, Philippines, ultramafic
Blumea: Biodiversity, Evolution and Biogeography of Plants

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Naturalis journals & series

Cheek, M, & Jebb, M. (2013). Nepenthes ultra (Nepenthaceae), a new species from Luzon, Philippines. Blumea: Biodiversity, Evolution and Biogeography of Plants, 58(3), 241–244.