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.