Its shoots are spherical to cylindrical or columnar, fresh green to gray-green, and initially prostrate before becoming upright.

It has seven to 14 spines that are whitish to golden brown, thin, piercing, and needle-like to bristly.

The spherical, green-yellow fruits are very juicy and tear vertically, with a diameter of 2.5 to 4 centimeters.

[3] Soehrensia smrziana is found in the Argentine province of Salta at altitudes of 1500 to 2500 meters.

Curt Backeberg first described the species as Echinopsis smrziana in 1936, naming it after Czech gardener and cactus enthusiast Oskar Smrz.