Getting into Shapes – Desert Botanical Garden, Papago Park, Phoenix, Arizona

Thanks for sharing that information. In English this cactus is popularly known as the golden barrel cactus, golden ball or, (echoing the French name) mother-in-law’s cushion, According to Wikipedia it is a well known species of cactus, and is endemic to east-central Mexico. Unfortunately it is rare and endangered in the wild, where it is found near Mesa de León in the state of Querétaro, and in the state of Hidalgo. The population was critically reduced in the 1990s, by the creation of the Zimapán Dam and reservoir in Hidalgo.

And thanks in advance for any help that you can extend in identifying some of the other cacti that I will be posting.