The Fishhook Barrel Cactus is the largest cacti in Arizona.
There are up to 25 vertical ribs. Flowers on old grow are up to 3 inches wide and grow in a ring around the top.
Fruits from the flower can be eaten.. They are easily grown from seeds.
They are a Amonopodial stim succulent. They are one of the most successful and characteristic life forms of the Sonoran desert.
They have a massive yet shallow root system. They have a vault-like water storing body with the greatest volume to surface ratio possible.
A four year old barrel can be only 3 inches high and 2.5 inches wide. They can live up to 130 years