Frailea buenekeri subs. densispina

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Since 4 Aug 2013

Frailea buenekeri subs. densispina Hofacker & K.Herm
Kakteen Sukk. 48(3): 61 (1997)
Family: CACTACEAE

Frailea buenekeri subs. densispina Photo by: Agócs György
AH 0054 (Collector Andreas Hofacker) Locality: 39km South of Sao Gabriel, Rio Grande do Sul, Brazil (Same as: AH54, FS515, GF335, HU1310, MGH58) at: Rebutialand - Cactus collection - Hungary.

Origin and Habitat: Frailea buenekeriSN|3317]]SN|3534]] subs. densispina grows in granitic rock outcrops, in pockets of soil between the rocks, together with Frailea pygmaeaSN|3534]]SN|3317]], mosses, lichens, grasses and other vegetation.

Synonyms:

Frailea buenekeri subs. densispina Hofacker & K.Herm

Frailea densispina (Hofacker & K.Herm) N.Gerloff

See all synonyms of Frailea buenekeri

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Accepted name in llifle Database:
Frailea buenekeri subs. densispina Hofacker & K.Herm
Kakteen Sukk. 48(3): 61 (1997)
Synonymy: 2

Frailea buenekeri subs. densispina Hofacker & K.Herm

Frailea densispina (Hofacker & K.Herm) N.Gerloff

Accepted name in llifle Database:
Frailea buenekeri W.R.Abraham
Succulenta (Netherlands) 69(3): 64 (1990)
Synonymy: 4

Frailea buenekeri W.R.Abraham

Astrophytum buenekeri (W.R.Abraham) Halda & Malina

Frailea buenekeri subs. gemmrichii Prestlé
Frailea buenekeri subs. pygmaeoidea Prestlé

Accepted name in llifle Database:
Frailea buenekeri subs. centrispina n.n.
provisional name

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Description: Frailea buenekeriSN|3534]]SN|3534]] subs. densispina is a beautiful little plant of no more than about 3cm in diameter, with a dark green to winered epidermis, many ribs divided into low tubercles, and areoles with a dozen or so creamy yellow to white radial spines appressed against the body of the plant and pointing downwards. Below each areole there is a faint, dark, crescent-shaped mark. The plants are globular, becoming columnar in age. Another characteristic of this taxon is the tuberculate spines, which have small projections along them, thus creating the illusion of being slightly feathered.

Subspecies, varieties, forms and cultivars of plants belonging to the Frailea buenekeri group

Frailea buenekeri W.R.Abraham: has stems less than 2 cm in height or diameter, 14-19 ribs and 8-11 spines. Flowers and fruits comparatively smaller. Distribution: West of Sao Gabriel near the town of Vila Nova do Sul.
Frailea buenekeri subs. centrispina n.n.: has a more dense cover of pure white spines, and a single white to yellowish-brown central spine, which is stronger than the radial. Distribution: east of the areal near the town of Santana da Boa Vista.
Frailea buenekeri subs. densispina Hofacker & K.Herm: has stems up to 6 cm tall and 4 cm in diameter, 19-23 ribs, and 10-14 spines. Flowers and fruits are much larger. Distribution: south and southwest of Sao Gabriel west of the town of Lavras do Sul and east of the small village of Ibaré.

Bibliography: Major references and further lectures
1) Edward Anderson “The Cactus family” Timber Press, Incorporated, 2001
2) David R Hunt; Nigel P Taylor; Graham Charles; International Cactaceae Systematics Group. "The New Cactus Lexicon" dh books, 2006
3) Larocca, J., Machado, M. & Duarte, W. 2013. Frailea buenekeri. The IUCN Red List of Threatened Species. Version 2014.3. <www.iucnredlist.org>. Downloaded on 07 May 2015.
4) Marlon C Machado “Fascinating Frailea, Part 2: Review of the species from Rio Grande do Sul” Cactus World (BCSS) Volume 25 No. 2 June 2007

Frailea densispina AH 0054 39km South of Sao Gabriel, Rio Grande do Sul, Brazil at: Rebutialand - Cactus collection - Hungary. Photo by: Agócs György

Frailea densispina AH 0054 39km South of Sao Gabriel, Rio Grande do Sul, Brazil at: Rebutialand - Cactus collection - Hungary. Photo by: Agócs György

Frailea densispina AH 0054 39km South of Sao Gabriel, Rio Grande do Sul, Brazil at: Rebutialand - Cactus collection - Hungary. Photo by: Agócs György

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