Austrocactus
| Austrocactus | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Cactaceae |
| Subfamily: | Cactoideae |
| Tribe: | Echinocereeae |
| Genus: | Austrocactus Britton & Rose |
| Species | |
|
See text. | |
Austrocactus is a genus of cacti with ten species endemic to Argentina and Chile.
They have solitary or branched bodies, and 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
[edit]As of September 2026[update], Plants of the World Online accepted the following species:[1]
| Image | Scientific Name | Distribution |
|---|---|---|
| Austrocactus aonikenkensis E.Sarnes & N.Sarnes | Argentina (Santa Cruz) | |
 |
Austrocactus bertinii (J.F.Cels) Britton & Rose | S Chile to N Central and S Argentina |
 |
Austrocactus coxii (K.Schum.) Backeb. | S Argentina |
| Austrocactus decorus E.Sarnes & N.Sarnes | Argentina (Neuquén) | |
| Austrocactus diamantinus E.Sarnes & N.Sarnes | Argentina (Mendoza) | |
| Austrocactus elegans Böhnert | Chile (Maule) to Argentina (Mendoza and Neuquén) | |
| Austrocactus ferrarii R.Kiesling, E.Sarnes & N.Sarnes | Argentina (Mendoza) | |
| Austrocactus hibernus F.Ritter | C Chile | |
| Austrocactus implexus E.Sarnes & N.Sarnes | Argentina (Chubut) | |
| Austrocactus nobilis E.Sarnes & N.Sarnes | Argentina (Rio Negro) | |
| Austrocactus occidentalis Merkl. | Argentina (Chubut) | |
| Austrocactus pauxillus E.Sarnes & N.Sarnes | Argentina (Mendoza) | |
| Austrocactus philippii (Regel & Schmidt) Buxb. | C Chile to Argentina (Mendoza) | |
| Austrocactus praecox E.Sarnes & N.Sarnes | Argentina (Mendoza) | |
 |
Austrocactus spiniflorus (Phil.) F.Ritter | C Chile |
| Austrocactus subandinus E.Sarnes & N.Sarnes | NW Argentina |
Key to Identification
[edit]Ribs divided into tubercles:[2]
- stems upright
- large stems (>25 cm)
- Austrocactus bertinii
- Austrocactus dusenii – synonym of Austrocactus bertinii
- Austrocactus intertextus sensu Speg. – synonym of Austrocactus coxii
- Austrocactus patagonicus – synonym of Austrocactus bertinii
- smaller stems (<25 cm)
- Austrocactus ferrarii
- Austrocactus longicarpus – synonym of Austrocactus coxii ssp. longicarpus
- Austrocactus philippii
- large stems (>25 cm)
- stems prostrate
- stems with adventitious roots
- Austrocactus colloncurensis – synonym of Austrocactus coxii ssp. colloncurensis
- Austrocactus coxii
- Austrocactus gracilis – synonym of Austrocactus coxii
- Austrocactus hibernus
- stems without adventitious roots
- stems with adventitious roots
Ribs smooth:
References
[edit]- ↑ "Austrocactus Britton & Rose | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 2026-09-30.
- ↑ Austrocactus. Germany: Elisabeth & Norbert Sarnes. 2015. p. 124. ISBN 9783000501074.
External links
[edit]
Wikimedia Commons has media related to Austrocactus.