The genus comprises small plants which are globular or have elongated. There are 18 listed species.
Parodia chrysacanthion. Argentina. Stem pale green with 24 ribs arranged spirally. The spreading spines number 30 or 40, and are whitish-yellow to golden-yellow. Theappear at the top of the plant and are golden-yellow. This plant requires half shade and grows well in 1 part loam, 1 part soil, 1 part sand.
Parodia Stuemeri. Argentina. The pale greenare globular, with 20 ribs. Radial spines number 25, central spines 4. The flower is golden-yellow, with the tips of the petals orange with brown.
Parodia microsperma. Argentina. The globular, light green, branching from the base, has numerous ribs bearing small woolly areoles; radial spines number 10 to 20, central spines 3 or 4. The flowers are funnel-shaped, with the outer petals red, the inner petals orange-yellow. The species requires half shade.
Parodia nivosa. A lovely species requiring full sun-shine. It has numerous ribs. Radial spines number 10 to 20, central spines about 4. The flowers are scarlet.
Parodia mutabilis. Argentina. The stems are globular, glaucous green with white wool at the top; the ribs are indistinct. Radial spines number about 45, central spines 3 or 4. The flowers are golden-yellow. The species is very variable, but none the less beautiful.
Parodia sanguiniflora. Argentina. Has a solitary globular stem, green with a woolly top. Radial spines number about 15, central spines 4. The flowers are blood-red. One of the prettiest of the Parodias.