Swollen spongy petiole is present in

In a Venus flytrap, which plant part is modified to trap insects?

Describe the modification of leaves for specific functions with examples.

You have heard about several insectivorous plants that feed on insects. Nepenthes or the pitcher plant is one such example,which usually grows in shallow water or in marshy lands. What part of the plant is modified into a pitcher? How does this modification help the plant for food even though it can photosynthesize like any other green plant?

$A$ phyllotaxy with two or more leaves present on the same node is

Rachis is present in