Echinocactus Grusonii is a type of cactus that has earned various synonyms throughout the years. Commonly known as the "golden barrel cactus," this plant is famous for its round and spiky appearance. Additionally, this cactus is known as "mother-in-law cushion," "hedgehog cactus," "golden ball," "wool cactus," and "barrel cactus." These names are given due to their ability to store water, lush green foliage, round barrel-like shape, and golden yellow color. These synonyms have helped plant enthusiasts and gardeners identify this Cactaceae family member. Not only do they provide descriptions of its characteristics, but they also make plant naming more exciting and memorable.