The Family Cactaceae is a diverse group of plants that includes over 1,500 species. They are commonly known as cacti and are found throughout North and South America. Cacti are well-known for their unique appearance, which includes spines, thorns, and fleshy stems that are adapted to store water. Synonyms for the Family Cactaceae include the Cactus Family, and sometimes simply the Cacti. Other terms used to describe these plants include succulents, desert plants, and xerophytes. The Family Cactaceae is an important component of arid ecosystems and is valued for its ornamental use in landscaping and gardening.