Widely distributed north to south in eastern Mexico, this is an extremely variable genus that some consider this to be Stenocactus, but we keep it separate. This small globose species has a medium green body. Noted for its tightly folded ribs, it has only a few white spines emanating from tubercles arranged along the ribs. The flowers are small and yellow, which is one of the distinguishing characters of this species. These plants are seedlings in 3-inch pots.