Ferocactus Emoryi subs. Covillei is a solitary barrel cactus that lacks lower radial spines seen in other species, but possesses central spines that are hooked and heavily ridged.
 
This cactus can reach a height of 2 meters tall and have a circumference of 80cm!
 
Recommended to use well-draining soil, and plenty of water!
 
[sourced from Llifle's Encyclopedia of Cacti]