Venus Flytrap:

1. An insectivorous herb grows on damp places.

2. The midrib of the leaf acts as a hinge between two lobes of lamina.

3. Upper surface of leaf is provided with pointed trigger hairs and digestive glands.

ADVERTISEMENTS:

4. When insect sits on leaf, the sensitive hairs bring about sudden closure of the leaf and the trapped insect is digested.

Example: Dioanaea.

Bladderwort:

1. An insectivorous hydrophyte.

ADVERTISEMENTS:

2. Few segments of the dissected leaf modify into sac-like bladders.

3. Each bladder is provided with a trapdoor entrance which functions as a valve (i.e. open inwardly). Digestive glands present on inner surface.

4. Water insects when enter, they can not come out as the valve shuts itself and get digested inside.

Example: Utricularia.