They have solitary or branched bodies, the ribs are usually divided into tubercules (except Austrocactus spiniflorus). The tallest species in this genus is 80 centimeters. Flowers are pink, orange, red or yellow with a characteristic spiny tube.
Species
Ribs divided into tubercles:
stems upright
large stems (>25 cm)
Austrocactus bertinii
Austrocactus dusenii – synonym of Austrocactus bertinii
Austrocactus intertextus sensu Speg.
Austrocactus patagonicus – synonym of Austrocactus bertinii
smaller stems (<25 cm)
Austrocactus ferrarii
Austrocactus longicarpus
Austrocactus philippii
stems prostrate
stems with adventitious roots
Austrocactus colloncurensis
Austrocactus coxii
Austrocactus gracilis – synonym of Austrocactus coxii