Echinofossulocactus cinco de mayo

Also known as " Brain plant". This plant is small growing and easy to take care of, because of its size it makes a great potted plant specimen. It needs good drainage, and is great for beginning collectors.

Recommended Temperature Zone: USDA: 9b-11
Frost tolerance: Hardy to 25°F (-4°C)
Sun exposure: Some direct sun
Origin: Mexico (Guanajuato, Hidalgo, San Luis Potosí, Zacatecas)

Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz