This carnivorous plants develop a prey trapping passive mechanism for insects. This provide an extra amount of nitrogen and phosphorus to the plant. Most of this plants live in poor or acidic soils.
Hybrid pitcher plant . Nepenthes ampullaria x N. hookeriana
Nepenthes rafflesiana. (More than 25 cm long)
Young Nephentes gracilis before open the lid. Dayak people use the preserved water as a traditional medicine.