[2] Soehrensia quadratiumbonata grows as a shrub with several upright branches emerging from the base, reaching heights of up to 1 meter.

The long, funnel-shaped white flowers open at night but not fully.

The dark green fruits are up to 3.5 cm (1.4 in) long and wide.

[3] Soehrensia quadratiumbonata is found in the Bolivian departments of Chuquisaca and Santa Cruz at elevations of 1000 to 1900 meters.

First described as Trichocereus quadratiumbonatus by Friedrich Ritter in 1980, the species name derives from the Latin words quadratus (four-sided) and umbonatus (navel-like), referring to the almost rectangular ribs of the plant.