Pitcher plant
A carnivorous plant whose modified leaves form pitcher-shaped traps that capture and digest prey, usually insects and other small animals.
Pitfall trap: A passive trap in which an organism falls into a container-like structure and cannot escape. A pitcher is a botanical pitfall trap, often made slippery by nectar and surface structure.
Leaf: A plant organ specialized for light capture, gas exchange, and photosynthesis. The pitcher is a modified leaf rather than a separate organ.
Nepenthes: A genus of tropical pitcher plants native mainly to Southeast Asia, Madagascar, and nearby regions. Its species produce hanging pitchers with varied shapes and prey-trapping strategies.
Venus flytrap: A carnivorous plant whose hinged leaves snap shut when prey stimulates trigger hairs. Unlike pitchers, it captures prey with a rapid, actively closing trap.
Digestive enzyme: A biological catalyst that breaks complex molecules into smaller products. Pitcher fluids use enzymes to release nutrients from captured prey.
Nitrogen: A chemical element essential to proteins, nucleic acids, and many other biological molecules. Prey supplies nitrogen that is scarce in many pitcher plant habitats.
Sarracenia: A genus of North American pitcher plants with upright, tubular leaves. Its species use tall, often vividly patterned pitchers to catch insects.
Sundew: A carnivorous plant whose glandular leaf tentacles trap prey in sticky secretions. Its adhesive trap captures prey on an exposed surface rather than in a cavity.
Nectar: A sugar-rich liquid produced by plants, often to attract animals. Nectar around pitcher rims draws prey toward the trap opening.
Peat swamp forest: A forest growing on waterlogged, acidic peat deposits that accumulate slowly from plant matter. Several pitcher plant species inhabit nutrient-poor peat swamps.