''Gymnocalycium'', commonly called chin cactus, is a genus of about 70

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the southe ...

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

cactus A cactus (, or less commonly, cactus) is a member of the plant family Cactaceae, a family comprising about 127 genera with some 1750 known species of the order Caryophyllales. The word ''cactus'' derives, through Latin, from the Ancient Greek ...

. The genus name ''Gymnocalycium'' (from

Greek Greek may refer to: Greece Anything of, from, or related to Greece, a country in Southern Europe: *Greeks, an ethnic group. *Greek language, a branch of the Indo-European language family. **Proto-Greek language, the assumed last common ancestor ...

, "naked calyx") refers to the flower buds bearing no hair or spines. Their main area of distribution is

Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...

, part of

Uruguay Uruguay (; ), officially the Oriental Republic of Uruguay ( es, República Oriental del 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 ...

Paraguay Paraguay (; ), officially the Republic of Paraguay ( es, República del Paraguay, links=no; gn, Tavakuairetã Paraguái, links=si), is a landlocked country in South America. It is bordered by Argentina to the south and southwest, Brazil to th ...

, southern

Bolivia , image_flag = Bandera de Bolivia (Estado).svg , flag_alt = Horizontal tricolor (red, yellow, and green from top to bottom) with the coat of arms of Bolivia in the center , flag_alt2 = 7 × 7 square p ...

and part of

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

. Most species are rather small varying from 4 to 15 centimetres in size. In cultivation they are popular for their easy flowering habits, and the

flower A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Angiospermae). The biological function of a flower is to facilitate reproduction, usually by providing a mechani ...

s are generally brightly coloured. Where temperatures fall below they must be cultivated under glass with heat.

Species

* '' Gymnocalycium alboareolatum'' * ''

Gymnocalycium amerhauseri ''Gymnocalycium amerhauseri'' is a species of ''Gymnocalycium ''Gymnocalycium'', commonly called chin cactus, is a genus of about 70 South American species of cactus. The genus name ''Gymnocalycium'' (from Greek, "naked calyx") refers to the f ...

'' * '' Gymnocalycium andreae'' * ''

Gymnocalycium anisitsii ''Gymnocalycium anisitsii'' is a globular cactus belonging to the family Cactaceae. The specific epithet honors the Hungarian pharmacist Dániel Anisits J. (1856-1911). Description ''Gymnocalycium anisitsii'' can be solitary or slowly clusterin ...

'' * ''

Gymnocalycium baldianum ''Gymnocalycium baldianum'', the spider-cactus or dwarf chin cactus, is a species of flowering plant in the cactus family Cactaceae, native to the Catamarca Province in Argentina. Description It is a globose cactus, spherical or a little flat, w ...

'' * '' Gymnocalycium bayrianum'' * '' Gymnocalycium berchtii'' * ''

Gymnocalycium bodenbenderianum ''Gymnocalycium'', commonly called chin cactus, is a genus of about 70 South American species of cactus. The genus name ''Gymnocalycium'' (from Greek, "naked calyx") refers to the flower buds bearing no hair or spines. Their main area of distrib ...

'' * ''

Gymnocalycium bruchii ''Gymnocalycium bruchii'' is a species of ''Gymnocalycium ''Gymnocalycium'', commonly called chin cactus, is a genus of about 70 South American species of cactus. The genus name ''Gymnocalycium'' (from Greek, "naked calyx") refers to the flowe ...

'' * ''

Gymnocalycium calochlorum ''Gymnocalycium'', commonly called chin cactus, is a genus of about 70 South American species of cactus. The genus name ''Gymnocalycium'' (from Greek, "naked calyx") refers to the flower buds bearing no hair or spines. Their main area of distrib ...

'' * ''

Gymnocalycium capillaense ''Gymnocalycium'', commonly called chin cactus, is a genus of about 70 South American species of cactus. The genus name ''Gymnocalycium'' (from Greek, "naked calyx") refers to the flower buds bearing no hair or spines. Their main area of distrib ...

'' * ''

Gymnocalycium castellanosii ''Gymnocalycium'', commonly called chin cactus, is a genus of about 70 South American species of cactus. The genus name ''Gymnocalycium'' (from Greek, "naked calyx") refers to the flower buds bearing no hair or spines. Their main area of distrib ...

'' * ''

Gymnocalycium chiquitanum ''Gymnocalycium'', commonly called chin cactus, is a genus of about 70 South American species of cactus. The genus name ''Gymnocalycium'' (from Greek, "naked calyx") refers to the flower buds bearing no hair or spines. Their main area of distrib ...

'' * ''

Gymnocalycium denudatum ''Gymnocalycium denudatum'' is a species of ''Gymnocalycium ''Gymnocalycium'', commonly called chin cactus, is a genus of about 70 South American species of cactus. The genus name ''Gymnocalycium'' (from Greek, "naked calyx") refers to the flo ...

'' * ''

Gymnocalycium erinaceum ''Gymnocalycium'', commonly called chin cactus, is a genus of about 70 South American species of cactus. The genus name ''Gymnocalycium'' (from Greek, "naked calyx") refers to the flower buds bearing no hair or spines. Their main area of distrib ...

'' * ''

Gymnocalycium eurypleurum ''Gymnocalycium eurypleurum'' is a small "chin cactus" that is highly prized by cactus collectors and is known to be fairly easy to grow, albeit very slow It has been cultivated outside in latitudes as far north as Modesto, California. In the wi ...

'' * ''

Gymnocalycium fischeri ''Gymnocalycium fischeri'' is a globular cactus of the family Cactaceae A cactus (, or less commonly, cactus) is a member of the plant family Cactaceae, a family comprising about 127 genera with some 1750 known species of the order Caryop ...

'' * '' Gymnocalycium gibbosum'' * '' Gymnocalycium glaucum'' * '' Gymnocalycium horstii'' * ''

Gymnocalycium hossei ''Gymnocalycium'', commonly called chin cactus, is a genus of about 70 South American species of cactus. The genus name ''Gymnocalycium'' (from Greek, "naked calyx") refers to the flower buds bearing no hair or spines. Their main area of distrib ...

'' * ''

Gymnocalycium kieslingii ''Gymnocalycium'', commonly called chin cactus, is a genus of about 70 South American species of cactus. The genus name ''Gymnocalycium'' (from Greek language, Greek, "naked calyx") refers to the flower buds bearing no hair or spines. Their main ...

'' * ''

Gymnocalycium kroenleinii ''Gymnocalycium'', commonly called chin cactus, is a genus of about 70 South American species of cactus. The genus name ''Gymnocalycium'' (from Greek language, Greek, "naked calyx") refers to the flower buds bearing no hair or spines. Their main ...

'' * '' Gymnocalycium marsoneri'' * '' Gymnocalycium mesopotamicum'' * ''

Gymnocalycium mihanovichii ''Gymnocalycium mihanovichii'' is a species of cactus from South America. The most popular cultivars are varied mutants which completely lack chlorophyll, exposing the red, orange, or yellow pigmentation. These mutant strains are often grafted on ...

'' * ''

Gymnocalycium monvillei ''Gymnocalycium monvillei'' is a species of ''Gymnocalycium'' from Argentina. Description ''Gymnocalycium monvillei'' grows individually, rarely sprouting, with dark green, spherical to flattened spherical shoots, which reach heights of 6 to 8 c ...

'' * '' Gymnocalycium mostii'' * ''

Gymnocalycium neuhuberi ''Gymnocalycium'', commonly called chin cactus, is a genus of about 70 South American species of cactus. The genus name ''Gymnocalycium'' (from Greek, "naked calyx") refers to the flower buds bearing no hair or spines. Their main area of distrib ...

'' * ''

Gymnocalycium nigriareolatum ''Gymnocalycium'', commonly called chin cactus, is a genus of about 70 South American species of cactus. The genus name ''Gymnocalycium'' (from Greek, "naked calyx") refers to the flower buds bearing no hair or spines. Their main area of distrib ...

'' * '' Gymnocalycium nova'' * '' Gymnocalycium ochoterenae'' * '' Gymnocalycium oenanthemum'' * '' Gymnocalycium paraguayense'' * ''

Gymnocalycium pflanzii ''Gymnocalycium pflanzii'' is a species of ''Gymnocalycium'' from Bolivia and Paraguay. References External links

* * Gymnocalycium, pflanzii Flora of Bolivia Flora of Paraguay {{Cactus-stub ...

'' * ''

Gymnocalycium pugionacanthum ''Gymnocalycium'', commonly called chin cactus, is a genus of about 70 South American species of cactus. The genus name ''Gymnocalycium'' (from Greek language, Greek, "naked calyx") refers to the flower buds bearing no hair or spines. Their main ...

'' * '' Gymnocalycium quehlianum'' * '' Gymnocalycium ragonesei'' * ''

Gymnocalycium reductum ''Gymnocalycium'', commonly called chin cactus, is a genus of about 70 South American species of cactus. The genus name ''Gymnocalycium'' (from Greek, "naked calyx") refers to the flower buds bearing no hair or spines. Their main area of distrib ...

'' * '' Gymnocalycium rhodantherum'' * '' Gymnocalycium ritterianum'' * ''

Gymnocalycium robustum ''Gymnocalycium robustum'' is a species of ''Gymnocalycium ''Gymnocalycium'', commonly called chin cactus, is a genus of about 70 South American species of cactus. The genus name ''Gymnocalycium'' (from Greek, "naked calyx") refers to the flow ...

'' * ''

Gymnocalycium saglionis ''Gymnocalycium saglionis'', the giant chin cactus, is a globular cactus species endemic to northwest Argentina. The cacti's most common native habitats are withinin the Argentine provinces of Salta, Tucuman, Catamarca, San Juan, and La Rio ...

'' * '' Gymnocalycium schickendantzii'' * ''

Gymnocalycium schroederianum ''Gymnocalycium'', commonly called chin cactus, is a genus of about 70 South American species of cactus. The genus name ''Gymnocalycium'' (from Greek, "naked calyx") refers to the flower buds bearing no hair or spines. Their main area of distrib ...

'' * ''

Gymnocalycium spegazzinii ''Gymnocalycium spegazzinii'' is a species of ''Gymnocalycium'' from Argentina and Bolivia named after the botanist Carlo Luigi Spegazzini, C. L. Spegazzini. Description ''Gymnocalycium spegazzinii'' grows individually with gray-green to brown, ...

'' * ''

Gymnocalycium stellatum ''Gymnocalycium stellatum'' is a species of ''Gymnocalycium ''Gymnocalycium'', commonly called chin cactus, is a genus of about 70 South American species of cactus. The genus name ''Gymnocalycium'' (from Greek, "naked calyx") refers to the flo ...

'' * '' Gymnocalycium stenopleurum'' * ''

Gymnocalycium striglianum ''Gymnocalycium'', commonly called chin cactus, is a genus of about 70 South American species of cactus. The genus name ''Gymnocalycium'' (from Greek, "naked calyx") refers to the flower buds bearing no hair or spines. Their main area of distrib ...

'' * ''

Gymnocalycium taningaense ''Gymnocalycium taningaense'' is a species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms ...

'' * '' Gymnocalycium uebelmannianum'' * '' Gymnocalycium uruguayense''

Gallery

File:Gymnocalycium Liberec 1.jpg, ''Gymnocalycium'' species from

Liberec Liberec (; german: Reichenberg ) is a city in the Czech Republic. It has about 103,000 inhabitants and it is the fifth-largest city in the country. It lies on the Lusatian Neisse, in a basin surrounded by mountains. The city centre is well preser ...

botanical garden File:Gymnocalycium Liberec 2.jpg, ''Gymnocalycium'' species from

botanical garden File:Gymnocalycium Liberec 3.jpg, ''Gymnocalycium'' species from

botanical garden File:Gymnocalcium Oneanthemum.JPG, '' Gymnocalcium oneanthemum'' from the

Brooklyn Botanic Garden Brooklyn Botanic Garden (BBG) is a botanical garden in the borough of Brooklyn, New York City. It was founded in 1910 using land from Mount Prospect Park in central Brooklyn, adjacent to Prospect Park and the Brooklyn Museum. The garden holds ...

File:Gymnocalycium mihanovichii 2.JPG, ''

'' in flower File:Gymnocalycium horstii 3.JPG, The flower of '' Gymnocalycium horstii'' File:Gymnocalycium eurypleurum 3.JPG, ''

'' File:Gymnocalycium baldianum 1.JPG, ''

'' in flower File:Gymnocalycium denudatum 1.JPG, ''

'' File:Gymnocalycium leeanum.JPG, '' Gymnocalycium leeanum'' File:Gymnocalycium ragonesii 2.JPG, '' Gymnocalycium ragonesei'' File:Gymnocalycium stellatum 1.JPG, ''

'' File:Gymnocalycium multiflorum.JPG, ''

'' File:Gymnocalycium bruchii 1.JPG, ''

'' File:Gymnocalycium uruguayense 1.JPG, '' Gymnocalycium uruguayense'' File:Gymnocalycium quehlianum 2.JPG, '' Gymnocalycium quehlianum'' File:Gymnocalycium spegazzinii 11.JPG, ''

'' Image:Succulent close-up.JPG, The Ruby Ball or Moon Cactus, ''

'' 'Hibotan', is a mutant that lacks

chlorophyll Chlorophyll (also chlorophyl) is any of several related green pigments found in cyanobacteria and in the chloroplasts of algae and plants. Its name is derived from the Greek words , ("pale green") and , ("leaf"). Chlorophyll allow plants to a ...

References

External links

SucculentCity: ''Gymnocalycium'' Page
* * {{Taxonbar, from=Q131641 Cactoideae genera Cacti of South America Flora of Argentina Flora of Bolivia Flora of Brazil Flora of Paraguay Flora of Uruguay Garden plants of South America