''Cleistocactus baumannii'' is a species of ''
Cleistocactus
''Cleistocactus'' is a genus of flowering plants in the cactus family Cactaceae, native to mountainous areas - to - of South America (Peru, Uruguay, Bolivia and Argentina). The name comes from the Greek ''kleistos'' meaning closed because the fl ...
'' found 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 ...
,
Paraguay
Paraguay, officially the Republic of Paraguay, is a landlocked country in South America. It is bordered by Argentina to the Argentina–Paraguay border, south and southwest, Brazil to the Brazil–Paraguay border, east and northeast, and Boli ...
,
Bolivia
Bolivia, officially the Plurinational State of Bolivia, is a landlocked country located in central South America. The country features diverse geography, including vast Amazonian plains, tropical lowlands, mountains, the Gran Chaco Province, w ...
,
Uruguay
Uruguay, officially the Oriental Republic of Uruguay, is a country in South America. It shares borders with Argentina to its west and southwest and Brazil to its north and northeast, while bordering the Río de la Plata to the south and the A ...
, and
Brazil
Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...
.
Description
''Cleistocactus baumannii'' grows as a shrub with branched at the base, usually several, fairly rigid, upright or arched shoots and reaches lengths of up to 2 meters with diameters of 2.5 to 3.5 centimeters. There are 16 to 17 ribs. The
areoles on it are close together. The single yellowish or dark brown central spine is up to 4 centimeters long. The 8 to 10 radial spines are yellowish brown and up to 1.8 centimeters long.
The crooked, yellow to orange-red to red flowers are 5 to 7 centimeters long and reach a diameter of up to 1 centimeter. The flower is strongly directed upwards over the pericarpel and then outwards in an S-shape. The stamens and style protrude from the flower. The stamens are red. The spherical, green to red to pink fruits contain white flesh. They reach a diameter of 1 to 1.5 centimeters.
Subspecies
Distribution
The distribution area of ''Cleistocactus baumannii'' extends from north-eastern Argentina through Paraguay and Bolivia to southern Brazil. The species is widespread at altitudes of up to 1000 meters.
Taxonomy
The first description as ''Cereus baumannii'' was in 1844 by the French botanist
Charles Lemaire.
In 1861 he placed the species in the genus ''Cleistocactus'', which he had newly created.
Other
nomenclature synonyms are ''Aporocactus baumannii'' (Lem.) Lem. (1860) and ''Echinopsis baumannii'' (Lem.) Anceschi & Magli (2013).
References
External links
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{{Taxonbar, from=Q1099702
baumannii
Cacti of South America
Flora of Brazil
Flora of Paraguay
Flora of Argentina
Flora of Uruguay
Flora of Bolivia
Flora of the Andes