''Austrocactus'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

cacti A cactus (: cacti, cactuses, or less commonly, cactus) is a member of the plant family Cactaceae (), a family of the order Caryophyllales comprising about 127 genera with some 1,750 known species. The word ''cactus'' derives, through Latin, ...

with ten species endemic of southern

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...

, in

Argentina Argentina, officially the Argentine Republic, is a country in the southern half of South America. It covers an area of , making it the List of South American countries by area, second-largest country in South America after Brazil, the fourt ...

and

Chile Chile, officially the Republic of Chile, is a country in western South America. It is the southernmost country in the world and the closest to Antarctica, stretching along a narrow strip of land between the Andes, Andes Mountains and the Paci ...

. 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.

Flower Flowers, also known as blooms and blossoms, are the reproductive structures of flowering plants ( angiosperms). Typically, they are structured in four circular levels, called whorls, around the end of a stalk. These whorls include: calyx, m ...

s 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 ''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 talle ...

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'' is a genus of cactus, 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''). T ...

'' *** '' Austrocactus coxii'' *** ''Austrocactus gracilis'' – synonym of ''Austrocactus coxii'' *** '' Austrocactus hibernus'' ** stems without adventitious roots *** ''

Austrocactus subandinus ''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 talle ...

'' Ribs smooth: * ''

Austrocactus spiniflorus ''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 talle ...

References

External links

Cactiguide.com: ''Austrocactus''
{{Taxonbar, from=Q137862 Cactoideae Cactoideae genera Cacti of South America Flora of Argentina Flora of Chile Flora of Colombia Flora of Ecuador Flora of Peru