Thelocactus is a group of globular to cushion-shaped cacti native to Mexico and the southwestern United States. Their rounded bodies are marked by prominent ribs or tubercles and often covered with contrasting spines that give each plant a distinctive texture. During the flowering season, Thelocactus can produce bright, funnel-shaped flowers in shades of pink, magenta, yellow or white. Their compact structure and decorative spination make them a popular choice for cactus collections.