Sulcorebutia vasqueziana subs. losenickyana

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Since 4 Aug 2013

Sulcorebutia vasqueziana subs. losenickyana (Rausch) Gertel & Šída
Inform.-brief Freundeskreis Echinopseen 31: 13 (2001)
Family: CACTACEAE

= Sulcorebutia losenickyana Rausch
Kakteen Sukk. 25: 49 (-50). 1974

Accepted Scientific Name: Rebutia canigueralii Cárdenas
Cact. Succ. J. (Los Angeles) 36: 26, figs. 1964

Sulcorebutia vasqueziana subs. losenickyana (Sulcorebutia losenickyana) Photo by: Valentino Vallicelli

Origin and Habitat: Chuquisaca and Potosí, Bolivia.
Altitude: 2400-3600 metres above sea level.
Habitat: It grows in sandstone hill with large boulders and rocky slopes mainly in deep soil in the open or among clumps of grass. The climate is very foggy.

Synonyms:

Sulcorebutia losenickyana Rausch

Sulcorebutia vasqueziana subs. losenickyana (Rausch) Gertel & Šída
Sulcorebutia vasqueziana var. losenickyana (Rausch) Šída
Sulcorebutia verticillicantha var. losenickyana (Rausch) Oeser
Weingartia losenickyana (Rausch) F.H.Brandt
Weingartia vasqueziana var. losenickyana (Rausch) Hentzschel & K.Augustin

See all synonyms of Rebutia canigueralii

Description: Rebutia canigueraliiSN|5130]]SN|5130]] var. losenickyana, better known as Sulcorebutia losenickyanaSN|15098]]SN|15098]], is a local or morphological form of the variable Rebutia canigueraliiSN|5130]]SN|5130]]. It is a choice solitary plant with dark green stems, white or brownish pectinated spines and profuse brownish or reddish flowers. This cactus is indeed beautiful even without its blooms. It is very variable.
Habit: In habitat it is a slow growing generally solitary cactus, but in cultivation may forms clumps of many heads.
Stem: Rapidly offsetting from the base, small, dull grey-green, individual stems 2,5 cm tall, 3 cm in diameter (often larger in culture).
Ribs: With raised tubercles (3-5 mm wide). In older plants tubercles are arranged in up to 13(-16) spiral line merging in the apex.
Areoles: Narrow with short white felt 5 mm long, 1 mm wide.
Roots: Conical multi-branched.
Radial spines: 11 to 14, fine, bristly, 1,5-3 mm long tight, pectinate, pointing diagonally and downward. Whitish with brownish base, golden, brown or almost black partially interlaced. Spines are very variable even within the same population.
Central spines: None or 1 to 2 ± distant and erect, whitish with darker base.
Flowers: Buds greenish, brownish to reddish, from the basal, older areoles, up to 40 mm long and 50 mm wide, odourless to slightly muffin smelling. More or less bi-coloured, red, often more brownish or violet at the tips, throat usually paler red or fading in orange or yellow, but less frequently uniformly red , light-violet or even white. Floral tube funnel-shaped yellowish-green or yellowish-red with tan coloured scales. Filaments yellowish with reddish bases, style yellowhish, with 5-6 stigma lobes.
Phenology: Flowers are produced in late spring and remain open for three or four days.
Fruit: Reddish to brownish approx 6 mm wide, with brown scales. Under the lowest scales usually it is possible to find some fine, white hair.
Seeds: 1,2-1,4 mm long and 1-1,2 mm wide.

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Subspecies, varieties, forms and cultivars of plants belonging to the Rebutia canigueralli group

Rebutia canigueralii Cárdenas: Slow growing clustering cactus that may forms clumps of many heads. This is a highly variable species with several forms with light green to purple colouration and small spines. Flowers mostly bicoloured orange, red or purple with a yellow throat, but the amount of red vs. yellow varies widely.
Rebutia canigueralii subs. crispata (Rausch) Donald ex D.R.Hunt: Forms small globular bodies nearly obscured by a variable ivory to golden spination. Spines are pectinated, bristly, flexible and more or less curved. Freely clusters to form large mounds.
Rebutia pulchra Cárdenas: Stems 40-50 mm Ø, dull olive-green with violet. Radials 10-12 yellow/brown, fine 2-4 mm long. Centrals usually absent. Flowers magenta, red or bicoloured. Distribution: Chuquisaca, Bolivia.
Sulcorebutia callecallensis (F.H.Brandt) Pilbeam: has tiny clustering stems, short, pectinate adpressed spines and outstanding bicoloured yellow-red blooms. Distribution: Cerro Calle Calle, Chuquisaca.
Sulcorebutia canigueralii var. applanata (Donald & Krahn) Horáček: has small, dull grey-green stems, rapidly offsetting from the base, Flowers bi-coloured yellw-red or purple. Distribution: Cerro Churuquella, Sucre.
Sulcorebutia frankiana Rausch: has small-bodies with fox-brown spines and pink to magenta flowers. Distribution: Sucre to Los Alamos and adjacent areas, Chuquisaca, Bolivia.
Sulcorebutia gerosenilis ?íha & Arandia: Same as Sulcorebutia crispata v. hertusii.
Sulcorebutia hertusii (Halda & Horáček) Halda & Horáček: Body dark-purple coloured covered by hair-like, white or yellowish, twisted spines.
Sulcorebutia losenickyana Rausch: has bristly, tight, pectinate spines, pointing diagonally and downward, partially interlaced. Whitish with brownish base, but also golden, brown or almost black. Distribution: Chuquisaca and Potosí.
Sulcorebutia pasopayana (F.H.Brandt) Gertel: A small-headed low growing, mound forming, cactus that forms large clumps, sometime with hundreds of heads. The flowers are blood red.
Sulcorebutia rauschii G.Frank: Stems highly coloured in purple with very small dark pectinaded spines. Flowers magenta. Distribution: Zudañez, Chuquisaca.
Sulcorebutia rauschii f. aureispina hort.: This form has short yellow pectinate spines on a mauve body. Distribution: Zudañez, Chuquisaca.
Sulcorebutia rauschii f. cristata hort.: Crested form.
Sulcorebutia rauschii f. violacidermis hort.: Beautiful selected form with nice and distinctive dark violet body. Distribution: Zudañez, Chuquisaca.
Sulcorebutia rauschii f. viridermis hort.: Green form. Distribution: Zudañez, Chuquisaca.
Sulcorebutia roberto-vasquezii Diers & Krahn
Sulcorebutia tarabucoensis Rausch: has globular stems with a long taproot. Radial spines bristly to 10 mm long, cream or yellowish, pectinated. Blooms red or dark magenta. Distribution: Tarabuco, Chuquisaca, Bolivia.
Sulcorebutia tarabucoensis var. aureiflora (Rausch) K.Augustin & Gertel: has yellow or yellow and orange red flowers, grey-green epidermis, and yellow to white spines up to 10 mm long. Distrtibution: Tarabuco and adjacent areas, Sucre, Bolivia. = Sulcorebutia callecallensis.
Sulcorebutia tarabucoensis subs. patriciae B.Bates, Halda, Heřtus & Horáček: Spines yellowish brisly, hairlike. This plant is very similar (if not the same) to Sulcorebutia crispata v. hertusii.

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Bibliography: Major references and further lectures
1) James Cullen, Sabina G. Knees, H. Suzanne Cubey “The European Garden Flora Flowering Plants: A Manual for the Identification of Plants Cultivated in Europe, Both Out-of-Doors and Under Glass” Cambridge University Press, 11/Aug./2011
2) David Hunt, Nigel Taylor “The New Cactus Lexicon” DH Books, 2006
3) Edward F. Anderson “The Cactus Family” Timber Press, 2001
4) Anderson E. F.: "The Cactus Family" Timber Press, Portland, Oregon, 2001
5) Ritter Fr.: "Kakteen in Südamerika" Spangenberg, 1980
6) John Pilbeam "Sulcorebutia and Weingartia: A Collector's Guide" Timber Press, 1985
7) E Haustein “Der Kosmos Kakteenfuehrer (the Kosmos Cactus Guide)” Balogh Scientific Books 01 December 1998
8) Cullmann W., Götz E., Gröner G.”Kakteen: Kultur, Vermehrung und Pflege - Lexikon der Gattungen und Arten” Ulmer, Stuttgart, 1984

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