Gymnocalycium anisitsii is a globular cactus belonging to the family Cactaceae. The specific epithet honors the Hungarian pharmacist Dániel Anisits J. (1856-1911).
Gymnocalycium anisitsii can be solitary or slowly clustering. It reaches a diameter of 8–15 cm and a height of about 10 cm. Sometimes a central spine is present, but it is usually absent. The spines are yellowish to brownish, slender, twisted and 1–6 cm long. The flowers are white to pink, funnel-shaped, up to 4 inches long. The red fruits are long and cylindrical, up to 2.5 cm long with a diameter of 1 cm.
Gymnocalycium anisitsii is widespread in southern Brazil, Paraguay and Bolivia.
This species prefers open areas with the protection of low bushes.
Gymnocalycium anisitsii is a globular cactus belonging to the family Cactaceae. The specific epithet honors the Hungarian pharmacist Dániel Anisits J. (1856-1911).