gymnocalycium mihznovichii

Gymnocalycium mihznovichii is native to the mountainous areas of Paraguay, growing on calcareous, gravelly soils. It is a polycarpic species with globose stems up to 5 cm diameter. It is notable for prominent ribs and slender spines, an anomaly within the genus typically having sturdier spines. Globose stem 4-5 cm with 8-10 prominent ribs, radial slender spines 1-2 cm long. Olive green color turning grayish in summer. Apex slightly depressed.