Blossfeldia Cactus Plant Blossfeldia liliputanaBlossfeldia cactus, also known as the 'Pincushion Cactus,' is a small, globular cactus species that belongs to the Cactaceae family. It is the smallest cactus species in the world, measuring just 1 to 2 cm in diameter and 1 to 2 cm in height. The plant is native to South America, specifically the high altitude regions of Bolivia, Argentina, and Peru. It grows in rocky soils and crevices, often in areas with extreme temperatures and minimal water