if a bug goes into this plant the sticky sides keep it falling in and it's wings are to damp to fly
to trap an insect in the pitcher and digest it. so it can have nutrients.
The pitcher plant The sun dew The venus fly trap
I know 2... Only 2 (Venus Fly Trap and Pitcher Plant).
There are several flowers which do this. The pitcher plant is a marsh plant which drowns then digests an insect. The most famous plant which is carnivorous is the Venus Fly Trap. It literally lures the insect then closes over it and digests it.
pitcher plants are grows in soil which does not have much nitrogen in soluble form. they trap insect because they have nitrogen in their bodies.
insect
The mouth.
The plant that you are thinking of is the VENUS FLY TRAP, and it does not have tentacles it has spines that link together and form a cage so the insect can not get out.
Insect-eating plants produce sticky or slippery substances on their leaves to trap insects. Once trapped, these plants release digestive enzymes to break down and absorb nutrients from the insect's body.
Sundew, venus flytrap, pitcher plant
The cobra lily is a pitcher plant meaning it holds water to attract insects inside its "pitcher". Once an insect is inside, the steep, slippery sides will not allow it to get out easily. Once the prey is captured, the plant releases a digestive enzyme to digest the prey.
By the smell of rotting flesh or other insects that have allready fallen into the flower and cannot crawl out of the juice in the bottom of the pitcher; due to the slippery sides of the vessel.