Echinocactus Grusonni "Mother in Laws Seat"

AI Overview
The Golden Barrel Cactus (Echinocactus grusonii) is a slow-growing, round cactus known for its deeply ribbed stem, which is covered in sharp, golden-yellow to white spines. Native to east-central Mexico, it forms a barrel-like shape as it matures, often reaching heights over a meter. This popular, drought-tolerant perennial thrives in full sun and well-draining soil, making it a common choice for desert gardens and a popular houseplant.  
Key Characteristics 
Form: A solitary, round, barrel-shaped cactus.
Spines: Numerous, thick, sharp radial spines ranging from yellow to white, growing from the areoles.
Stem: Deeply ribbed, light green stem.
Size: Can grow to over 1 meter in height and up to 3 feet (approximately 90 cm) in diameter.
Growth Rate: Slow-growing.
Native Habitat: Semi-arid regions in east-central Mexico.
Flowering: Produces yellow flowers in the summer.
Other Names golden barrel cactus and mother-in-law's cushion.