Soehrensia
Soehrensia is a genus of cacti native to South America.
It is native to northern Argentina, Bolivia, northern Chile, Paraguay and Peru, and has been introduced elsewhere, including Mexico, southern Africa and Spain.
Taxonomy
The genus was established by Curt Backeberg in 1938. The genus name Soehrensia is in honour of Johannes Soehrens, who was a Dutch botanist and Professor and Director of the Botanical Garden in Santiago de Chile. He was an authority on cacti.Studies in the 1970s and 1980s resulted in several formerly separate genera being absorbed into Echinopsis, including Soehrensia. In the 2016 edition of the CITES Cactaceae Checklist, it was restored as an independent genus, the position of the World Flora Online as of 2025. A major 2025 classification of the family Cactaceae returned Soehrensia to a synonym of Echinopsis, the position accepted by Plants of the World Online as of 2025.