Cacti

cacti a large group of plants of which some are edible. The best known are barbados gooseberry, pitaya (strawberry pear), and prickly pear.

There is also Peniocereus greggii, a night-blooming cactus (hence the name reina de la noche in Mexico), which is sometimes eaten in e.g. Louisiana; it bears tubers which can be made into fritters or french fries, or roasted.