An insectivorous plant, also called a carnivorous plant, captures prey items, such as insects, spiders, crustaceans, mites, and protozoans, as a nitrogen source. Many insectivorous species live in freshwater bogs, where nitrogen is not present in available form, because the pH of the water is extremely acid.

The forms of entrapment by these types of plants are modified leaves.

General Taxonomy of Insectivorous Plants.

The insectivorous plants are found in nine angiospermous families.

Judging from the current placement of these families within a phylogenetic classification of dicotyledons, the insectivorous habit appears to have evolved independently numerous times.

The General Types and Properties of Insectivorous Plants.

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