Origin and Habitat: North of Las Palomas, San Luis Potosí, Mexico.

• Turbinicarpus jauernigii G.Frank
• Pediocactus lophophoroides var. jauernigii (G.Frank) Halda
• Turbinicarpus lophophoroides subs. jauernigii (G.Frank) G.Frank & Zanov.
• Turbinicarpus schmiedickeanus subs. jauernigii (G.Frank) D.R.Hunt

Description: Usually solitary or slowly clumping 10-20 mm high (bu much more in cultivation), 25-50(-70)mm wide grey-green to purple, flat to globular depressed merging into a strong tuberous root .
Tubercles: Poorly developed nearly non-existent low and rounded.
Spines: Mature plants have (usually) one spine, rigid white with grey tip 10mm long. Juvenile have 7 to 10 spreading radials.
Flowers: Dirty white to pale pinkish-tan with a brown midstripe, 25mm long, 15mm wide. This species flowers in autumn/winter rather than the spring.

Cultivation and Propagation: Robust species to cultivate. Requires full sun and careful watering to keep plant compact and low. It has a tap root, and watering it properly is often difficult and tends to crack open or rot if over-watered. Keep dry in winter or when night temperatures remain below 10° C, it is hardy to -4°C for a short period. Assure a good ventilation.
Exposures: Full sun where it obtains a natural-looking flat, or part sun.
Propagation: Seeds, which has good powers of germination, or from shoots which are grafted.