Frailea
Frailea
70
species Cactaceae
Morphological Summary
Genus of small to minute cacti, generally globose to shortly cylindrical, with notable cleistogamous capacity (self-pollination without opening flowers). Native to South America (southern Brazil, Paraguay, Uruguay and northern Argentina). Tuberculate ribs, thin spines and small yellow flowers that often do not open. Prized in specialised collections for their compact size and ease of cultivation.
Distribution South America: southern Brazil (Rio Grande do Sul, Mato Grosso do Sul, Minas Gerais), Paraguay, Uruguay, northern Argentina
Conservation Several species threatened by habitat loss (soy farming); some on IUCN Red List
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Frailea alacriportana Backeb. & Voll
Porto Alegre Frailea
Specimen ID RN-FRAIL-00001
Origin
Type
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Frailea albiareolata Buining & Bredero
White-areole Frailea
Specimen ID RN-FRAIL-00002
Origin
Type
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SpeciesMiniature
Frailea albicolumnaris
White-column Frailea
Specimen ID RN-FRAIL-00040
Origin Paraguay (Boquerón, Chaco seco)
Type species
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Frailea albicolumnaris F.Ritter
White-column Frailea
Specimen ID RN-FRAIL-00003
Origin
Type
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Frailea albifusca F.Ritter
Whitish-brown Frailea
Specimen ID RN-FRAIL-00004
Origin
Type
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Frailea alexandri D.Metzing
Alexander's Frailea
Specimen ID RN-FRAIL-00005
Origin
Type
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SpeciesMiniature
Frailea amerhauseri
Amerhauser's Frailea
Specimen ID RN-FRAIL-00041
Origin Bolivia / Paraguay
Type species
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SpeciesMiniature
Frailea angelesii
Angeles' Frailea
Specimen ID RN-FRAIL-00042
Origin Paraguay / Brasil (frontera)
Type species
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Frailea angelicana Diers & Schädlich
Angelicana Frailea
Specimen ID RN-FRAIL-00006
Origin
Type
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Frailea asperispina F.Ritter
Rough-spined Frailea
Specimen ID RN-FRAIL-00007
Origin
Type
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SpeciesMiniature
Frailea asterioides
Star-like Frailea
Specimen ID RN-FRAIL-00043
Origin Brasil (Rio Grande do Sul, Río Uruguay)
Type species
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Crested FormExtreme Rarity
Frailea asterioides f. cristata
Crested Star-like Frailea
Specimen ID RN-FRAIL-00044
Origin Brasil (mutación cresta)
Type crested form
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Frailea asterioides Werderm.
Starfish Frailea
Specimen ID RN-FRAIL-00008
Origin
Type
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Frailea atrobella Diers, Krahn & R.Vásquez
Dark Bolivian Frailea
Specimen ID RN-FRAIL-00009
Origin
Type
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Frailea aureinitens Buining & Bredero
Golden-gleam Frailea
Specimen ID RN-FRAIL-00010
Origin
Type
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SpeciesMiniature
Frailea aureispina
Golden-spined Frailea
Specimen ID RN-FRAIL-00045
Origin Brasil (Rio Grande do Sul)
Type species
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Frailea aureispina F.Ritter
Golden-spined Frailea
Specimen ID RN-FRAIL-00011
Origin
Type
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Frailea bruchi Speg.
Bruch's Frailea
Specimen ID RN-FRAIL-00012
Origin
Type
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SpeciesMiniature
Frailea buenekeri
Bueneker's Frailea
Specimen ID RN-FRAIL-00046
Origin Brasil (Rio Grande do Sul)
Type species
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Frailea buenekeri W.R.Abraham
Bueneker's Frailea
Specimen ID RN-FRAIL-00013
Origin
Type
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SpeciesMiniature
Frailea caespitosa
Tufted Frailea
Specimen ID RN-FRAIL-00047
Origin Brasil / Uruguay (campos del sur)
Type species
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Frailea caespitosa (Speg.) Britton & Rose
Tufted Frailea
Specimen ID RN-FRAIL-00014
Origin
Type
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Frailea camaquensis L.Horst
Camaquã Frailea
Specimen ID RN-FRAIL-00015
Origin
Type
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Frailea carminifilamentosa Kilian ex Backeb.
Carmine-filament Frailea
Specimen ID RN-FRAIL-00016
Origin
Type
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Frailea castanea Backeb. in Backeb. & F.M.Knuth
Chestnut Frailea
Specimen ID RN-FRAIL-00017
Origin
Type
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SpeciesCollectible
Frailea cataphracta
Armoured Frailea
Specimen ID RN-FRAIL-00048
Origin Paraguay (Chaco) / Brasil (Mato Grosso do Sul)
Type species
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Frailea cataphracta (Dams) Britton & Rose
Armoured Frailea
Specimen ID RN-FRAIL-00018
Origin
Type
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Crested FormExtreme Rarity
Frailea cataphracta f. cristata
Crested Armoured Frailea
Specimen ID RN-FRAIL-00049
Origin Paraguay (mutación cresta)
Type crested form
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Frailea cataphractoides Backeb.
Cataphracta-like Frailea
Specimen ID RN-FRAIL-00019
Origin
Type
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SpeciesMiniature
Frailea chiquitana
Chiquitana Frailea
Specimen ID RN-FRAIL-00050
Origin Bolivia (Santa Cruz, Chiquitanía)
Type species
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Frailea chiquitana Cárdenas
Chiquitos Frailea
Specimen ID RN-FRAIL-00020
Origin
Type
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SpeciesMiniature
Frailea colombiana
Colombian Frailea
Specimen ID RN-FRAIL-00051
Origin Colombia (Llanos orientales)
Type species
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SpeciesMiniature
Frailea curvispina
Curved-spined Frailea
Specimen ID RN-FRAIL-00052
Origin Brasil (Rio Grande do Sul) / Uruguay
Type species
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SpeciesMiniature
Frailea dadakii
Dadak's Frailea
Specimen ID RN-FRAIL-00053
Origin Brasil (Paraná, Rio Grande do Sul)
Type species
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SpeciesMiniature
Frailea doddsiana
Dodds' Frailea
Specimen ID RN-FRAIL-00054
Origin Bolivia (Santa Cruz)
Type species
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SpeciesMiniature
Frailea estevesii
Esteves' Frailea
Specimen ID RN-FRAIL-00055
Origin Brasil (Mato Grosso do Sul)
Type species
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Frailea friedrichii Buining & Moser
Friedrich's Frailea
Specimen ID RN-FRAIL-00021
Origin
Type
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Frailea fulviseta Buining & Bredero
Tawny-bristled Frailea
Specimen ID RN-FRAIL-00022
Origin
Type
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Frailea gracillima (Lem.) Britton & Rose
Graceful Frailea
Specimen ID RN-FRAIL-00023
Origin
Type
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Frailea grahliana (F.Haage) Britton & Rose
Grahl's Frailea
Specimen ID RN-FRAIL-00024
Origin
Type
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SpeciesMiniature
Frailea horstii
Horst's Frailea
Specimen ID RN-FRAIL-00056
Origin Brasil (Rio Grande do Sul)
Type species
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Frailea ignacionensis Buining & G.Moser
San Ignacio Frailea
Specimen ID RN-FRAIL-00025
Origin
Type
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SpeciesMiniature
Frailea knippeliana
Knippel's Frailea
Specimen ID RN-FRAIL-00057
Origin Paraguay / Argentina (nordeste)
Type species
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Frailea knippeliana (Quehl) Britton & Rose
Knippel's Frailea
Specimen ID RN-FRAIL-00026
Origin
Type
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Frailea larae R.Vásquez
Lara's Frailea
Specimen ID RN-FRAIL-00027
Origin
Type
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SpeciesMiniature
Frailea mammifera
Tubercled Frailea
Specimen ID RN-FRAIL-00058
Origin Brasil (Rio Grande do Sul, campos arenosos)
Type species
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Frailea mammifera Buining & Bredero in Krainz
Nipple-bearing Frailea
Specimen ID RN-FRAIL-00028
Origin
Type
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Frailea matoana Buining & Bredero
Mato Grosso Frailea
Specimen ID RN-FRAIL-00029
Origin
Type
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SpeciesMiniature
Frailea mutabilis
Variable Frailea
Specimen ID RN-FRAIL-00059
Origin Brasil (Rio Grande do Sul) / Uruguay
Type species
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SpeciesMiniatureCollectible
Frailea perbella
Very Beautiful Frailea
Specimen ID RN-FRAIL-00060
Origin Brasil (Paraná, Rio Grande do Sul)
Type species
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SpeciesExtreme Miniature
Frailea perminima
Very Tiny Frailea
Specimen ID RN-FRAIL-00061
Origin Brasil (Rio Grande do Sul, Uruguay frontera)
Type species
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SpeciesMiniature
Frailea phaeodisca
Dark Disc Frailea
Specimen ID RN-FRAIL-00062
Origin Brasil (Rio Grande do Sul, Uruguay)
Type species
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Frailea phaeodisca (Speg.) Backeb. & F.M.Knuth
Dark-disk Frailea
Specimen ID RN-FRAIL-00030
Origin
Type
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Frailea pseudogracillima F.Ritter
Pseudo-graceful Frailea
Specimen ID RN-FRAIL-00031
Origin
Type
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SpeciesMiniature
Frailea pseudopulcherrima
Almost Beautiful Frailea
Specimen ID RN-FRAIL-00063
Origin Brasil (Rio Grande do Sul) / Uruguay
Type species
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Frailea pseudopulcherrima (Frič) Y.Itô
Pseudo-beautiful Frailea
Specimen ID RN-FRAIL-00032
Origin
Type
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Frailea pulcherrima Speg.
Most Beautiful Frailea
Specimen ID RN-FRAIL-00033
Origin
Type
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Frailea pullispina Backeb.
Dark-spined Frailea
Specimen ID RN-FRAIL-00034
Origin
Type
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SpeciesMiniature
Frailea pumila
Dwarf Frailea
Specimen ID RN-FRAIL-00064
Origin Brasil / Argentina / Uruguay
Type species
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Frailea pumila Britton & Rose
Dwarf Frailea
Specimen ID RN-FRAIL-00035
Origin
Type
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SpeciesMiniatureType species
Frailea pygmaea
Pygmy Frailea
Specimen ID RN-FRAIL-00065
Origin Brasil (Rio Grande do Sul) / Uruguay / Argentina (Corrientes)
Type species
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Crested FormExtreme Rarity
Frailea pygmaea f. cristata
Crested Pygmy Frailea
Specimen ID RN-FRAIL-00066
Origin Brasil / Uruguay (mutación cresta)
Type crested form
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Frailea pygmaea (Speg.) Britton & Rose
Pygmy Frailea
Specimen ID RN-FRAIL-00036
Origin
Type
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SpeciesMiniature
Frailea rodriguesii
Rodrigues' Frailea
Specimen ID RN-FRAIL-00067
Origin Brasil (Rio Grande do Sul)
Type species
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SpeciesMiniature
Frailea schilinzkyana
Schilinzky's Frailea
Specimen ID RN-FRAIL-00068
Origin Paraguay / Argentina (Formosa, Chaco)
Type species
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Frailea schilinzkyana (F.Haage ex K.Schum.) Britton & Rose
Schilinzky's Frailea
Specimen ID RN-FRAIL-00037
Origin
Type
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Frailea schlosseriana H.Schloss.
Schlosser's Frailea
Specimen ID RN-FRAIL-00038
Origin
Type
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SpeciesMiniature
Frailea uhligiana
Uhlig's Frailea
Specimen ID RN-FRAIL-00069
Origin Paraguay
Type species
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Frailea uhligiana Backeb. in Backeb.
Uhlig's Frailea
Specimen ID RN-FRAIL-00039
Origin
Type
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SpeciesMiniature
Frailea wohlschlageri
Wohlschlager's Frailea
Specimen ID RN-FRAIL-00070
Origin Brasil (Rio Grande do Sul, Santa Catarina)
Type species