Opuntia engelmannii lindheimeri is a species of cactus native to the southwestern United States and northern Mexico. It is a shrubby, treelike cactus that can grow up to 6 feet (1.8 meters) tall and 5 feet (1.5 meters) wide. The stems are cylindrical and have a bluish-green color. The plant produces yellow flowers in late spring and early summer, followed by edible red fruit.