The most well known species of carnivorous plants. Traps have a limited number of false alarms. Don't stimulate them too often. Artificially springing the trap drains the plant's energy.
Coffea Arabica is easy to grow indoors, makes a very attractive houseplant and if it likes you well enough, it will even rewards you with flowers and berries!
Grow your own Coffee, will take approx 4 years for first harvest. It is actually very easy to grow, indoors. This is surely worth a try for something different.
The trap of the Venus Flytrap is one of Nature's most amazing marvels. The outer edges of the two clamshell-like halves are lined with nectar glands and stout bristles.