The most beautiful cactus flower.

A cactus is any member of the spine plant family Cactaceae, native to the Americas. They are often used as ornamental plants, but some are also crop plants. Cacti are part of the plant order Caryophyllales, which also includes members like beets, baby’s breath, spinach, amaranth, tumbleweeds, carnations, rhubarb, buckwheat, plumbago, bougainvillea, chickweed and knotgrass.