Opuntia rastrera Opuntia rastrera Opuntia rastrera is a prickly pear which grows in the Mexican state of San Luis Potosí. It is known in Spanish as cuija, although that name can also refer to other cactuses such as "Brasiliopuntia". "Opuntia rastrera" can be found in bajada, hill-piedmont, and interdune habitats in locations such as the Mapimi biosphere reserve, where it is sometimes the most common cactus in a given location, or sometimes a secondary cactus. In order to germinate, the seeds require a dormancy period of at least a year. As with other "Opuntia" species, mechanical or chemical scarification does not seem
Opuntia ficus-indica the plants are used as fodder. In these cases, the spines need to be removed from the pads to avoid damage to the animals. Mostly, this is achieved by burning the spines off the pads. "Opuntia ficus-indica" for human and animal consumption is its water content in an arid environment, containing about 85% water as a water source for wildlife. The seeds contain 3-10% of protein and 6-13% of fatty acids, mainly linoleic acid. As the fruit contains vitamin C (containing 25–30 mg per 100g), it was once used to mitigate scurvy. "Opuntia" contains selenium. The red color of the