Gymnocalycium gibbosum (Cactus)

It’s a small slow-growing cactacea of a globular shape and depressed at the apex. It has well-defined ribs, the color can vary between olive green or opaque dark gray. Its erect spines, of variable length, tend to curve upwards, are of a yellowish-white color. Its funnel-shaped inflorescences are of a silky white color.