Family of insectivorous plants comprising 4 genera and about 100 species. The largest genus, Drosera, are the Sundews which trap insects by means of sticky hairs on their leaves, which grow in rosettes. Drosophyllum is a monotypic genus and catches insects in a similar way. Aldrovanda is an aquatic genus comprising just one species. Dionaea is the Venus Fly Trap which catches insects by trapping them in its folded up leaves.
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