The newly-discovered species belongs to Nepenthes, a genus of tropical pitcher plants in the monotypic family Nepenthaceae.
The genus comprises over 170 species, mostly native to Madagascar, Southeast Asia, and Australia. The greatest diversity occurs on Borneo, Sumatra, and the Philippines, with many endemic species.
Also known as monkey cups (because monkeys have been observed drinking rainwater from these plants), all Nepenthes species are carnivorous plants that capture their prey by means of modified pitcher-shaped leaves that function as passive pitfall traps.
Attracted by nectar secreted from the underside of the trap's lid, insects and other prey slip from the mouth of the pitcher into a pool of liquid and are unable to escape, because of the pitcher's downward-pointing hairs and slick sides. The animals drown and are eventually digested by enzymes.
Named Nepenthes cabanae, the newfound species occurs only in Mt. Malimumu, Pantaron range, Bukidnon Province of Mindanao Island, Philippines.
"This discovery brings the number of Nepenthes species in this mountain range to eight," said Central Mindanao University researchers Noel Lagunday and Victor Amoroso.
"Mt. Pantaron is currently not a protected area, but the diversity of Nepenthes suggests concerted efforts should be made to develop a conservation strategy to preserve and protect the area."
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