Austrocactus

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Ordo: Caryophyllales

Familia: Cactaceae
Subfamilia: Cactoideae
Tribus: Phyllocacteae
Subtribus: Echinocereinae
Genus: Austrocactus
Species: A. bertinii – A. coxii – A. patagonicus – A. philippii – A. spiniflorus
Name

Austrocactus Britton & Rose, Cactaceae 3: 44 (1922).

Type species: Austrocactus bertinii Britton & Rose

References

Britton, N.L. & Rose, J.N. 1922. Cactaceae 3: 44.

Austrocactus is a genus of cacti with ten species endemic of southern South America, in Argentina and Chile.

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:[1]

• 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
    • Austrocactus hibernus
  • stems without adventitious roots
    • Austrocactus subandinus

Ribs smooth:

• Austrocactus spiniflorus

References

Austrocactus. Germany: Elisabeth & Norbert Sarnes. 2015. p. 124. ISBN 9783000501074.