Introduction
Pitcher plants are carnivorous plants that trap and digest insects to obtain nutrients. They have a unique way of catching insects that involves a specialized structure called a pitcher.

Pitcher Structure
The pitcher is a modified leaf that is shaped like a funnel or tube. It is typically filled with a liquid that contains digestive enzymes. The top of the pitcher is open, and there is a lip or rim that extends outward. The rim is slippery and often has downward-pointing hairs or scales that make it difficult for insects to climb out.

Attracting Insects
Pitcher plants use various methods to attract insects. Some species have brightly colored pitchers that resemble flowers, while others produce nectar or emit a scent that insects find attractive. Some species even have a slippery surface on the outside of the pitcher that insects mistake for a landing pad.

Trapping Insects
When an insect lands on the lip of the pitcher, it may slip and fall into the liquid inside. The liquid is often deep enough that the insect cannot escape, and it begins to drown. The digestive enzymes in the liquid then begin to break down the insect's body, releasing nutrients that the plant can absorb.

Digestion and Absorption
Once the insect is trapped and digested, the pitcher plant absorbs the nutrients from its body. The plant is able to absorb nutrients in this way because it lacks the ability to obtain them from the soil like other plants. Instead, it relies on carnivory to supplement its diet.

Conclusion
Pitcher plants have evolved a unique way of obtaining nutrients that involves attracting, trapping, and digesting insects. The structure of the pitcher, along with various methods of attraction, make these plants highly effective at catching their prey.

Pitcher plant catch insect to their flower he open his bud mouth and any insects sit on his flower he eat them