Austrocactus is a genus of cacti with five species endemic of southern South America, in Argentina and Chile. They have solitary or branched bodies, the ribs may have tubercules and they are not very spiny. The tallest species in this genus is 24 inches. Flowers are pink, red or yellow with a characteristic spiny tube.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0