The genus Drosera comprises insectivorous plants distributed across various parts of the world. It is known for its leaves, which are covered with glandular tentacles ending in sticky droplets that resemble dew. These droplets contain mucilaginous substances that help small insects adhere to the leaves. Species of Drosera vary in leaf shape, size, and color. Their leaves may be elongated, rounded, or arranged in a basal rosette, while their flowers generally grow on stalks that extend above the leaves, reducing the likelihood of trapping pollinators. How Does the Sundew Capture Insects? When a small insect touches the glandular tentacles, it becomes trapped by the sticky droplets. Some tentacles may bend toward the prey, and in certain species, parts of the leaf may also bend. Once the insect is captured, the plant secretes digestive enzymes that break down its organic components, releasing nutrients such as nitrogen and phosphorus that the plant can absorb. However, this process does not replace photosynthesis. Drosera still relies on light and carbon dioxide to produce most of the organic compounds it needs, while insects provide additional mineral nutrients that are scarce in its natural habitats. Adaptation to Nutrient-Poor Environments Many Drosera species grow in wetlands or acidic soils that are poor in nutrients. These conditions have contributed to the evolution of plant carnivory, which provides the plants with a competitive advantage in such environments. Scientific Importance Insectivorous plants are studied to understand the evolution of carnivory in plants, the relationship between mineral nutrition and the environment, and the diversity of movement mechanisms and responses to external stimuli. They are also important for raising awareness of plant biodiversity and the need to conserve wetlands. Conclusion The sundew demonstrates how plants can combine photosynthesis with the acquisition of nutrients from prey, representing a unique adaptation to nutrient-limited environments.