Opuntia, likewise called prickly pear cactus, is a group of cacti types that are native to the Americas and discovered mostly in dry and semi-arid areas. This plant is best known for its juicy and vibrant fruit, which are called irritable pears, and are treasured for their sweet and tangy taste. In addition to its scrumptious fruit, opuntia has a range of uses, from its ability to offer shade and windbreaks to its use as a source of food for animals. Read on 30 Types Of Popular Opuntia Pictorial Guide.