A cactus is an angiosperm in the family cactaceae. Peyote cactus is a small, spineless cactus also called lophophora williamsii. This family is comprised of thousands of species characterized by having thick, fleshy stems.
Commonly Know As Ball Cactus Stock Image Image of ball, futaba 181021719
The family belongs to the order caryophyllales, which are characterized by their unusual floral structures and the presence of betalain pigments instead of anthocyanins.
So it would look like this echinopsis oxygona showing the genus name (echinopsis) first then the species name (oxygona).
There are over 2000 different cacti species that fall into two main categories, namely opuntias and cactoids. Cactus is a genus within the family cactaceae, which also includes other succulent plants like prickly pears and chollas. The plural term for cactus is debated. Spinolae , released in south africa in 1948, gives total control of large plants but.
There many genera and species of cacti, remember genus then species. Their stems are fleshy or succulent, and are cylindrical or flattened in shape. Cactus species are plants that grow in the arid and semiarid regions of the world. They have long fascinated the attention of the scientific community due to their unusual biology.

Some common examples of cacti species include the prickly pear cactus (opuntia), the saguaro cactus (carnegiea gigantea), and the barrel cactus (echinocactus).
The scientific naming system used for cacti and other plants is called binomial nomenclature. The botanical name cactus comes from the greek word kaktos, which in classical greek refers to a species of spiny thistle. Members of this family also usually have showy flowers. Cactus species are used for a variety of purposes, such as food, fodder, ornamental, and as medicinal plants.
The word cactus is derived through latin from the ancient greek κάκτος ( kaktos ), a name used by theophrastus for a spiny plant, which may have been the cardoon ( cynara cardunculus ). There are approximately 150 genera in the entire cactaceae family, but they are generally divided into three subgroups:



