Pot: 10 cm.
It is a globular cactus with a solitary habit, which can occasionally be clustered. Its opaque light green stem, concave at the apex, has multiple slender ribs, well furrowed and of a wavy shape, equipped with downy white areoles. The radial spines are thin, straight, of a white color, while the central ones are brownish-yellow, longer and more rigid, tend to grow upwards. Flowering occurs at the apex of the plant, generating small, funnel-shaped white flowers with central yellow-greenish shades.