Astrophytum myriostigma cv. Hakuun nudum f. variegated (Cactus)

A globose cactus with very evident ribs of an intense green color with a wide yellow variegation. The epidermis is smooth to the touch, without spines, which has white downy "clouds" (Hakuun). In the hottest periods of the year, at the top, it blooms with large yellowish flowers.