The genus Nepenthes is one of the most fascinating of all carnivorous plants. Nepenthes are carnivorous plants known for their oddly shaped pitchers, which grow at the ends of their leaves. Many of the plants are extremely rare and are not often available for purchase. There are two types of pitchers produced by the plants: large, spectacularly colored ground pitchers, and narrow aerial pitchers. These plants also produce flower spikes usually colored in yellow, green, or mahogany. However, the flowers are small in size and are not nearly as interesting as the pitchers. Nepenthes plants are either male or female. They cannot be self-pollinated.Pitchers on the end of the leaves allow the plants to collect their food in nature. They have special digestive glands for attracting insects and slippery hairs for keeping them in the pitcher, as well as enzymes to dissolve them. There are different cycles of natural organisms that live in the plant as well. In nature, they can be found growing in sphagnum mosses, in straight silica sand on limestone cliffs, or wherever there are mosses and sufficient moisture for them to germinate and grow.