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Sulcorebutia canigueralii KP13
It is small headed low growing clumping species with mostly bicoloured flowers orange, red or purple with a yellow throat, but the amount of red vs. yellow varies widely.
 

Desciption: Slow growing clustering cactus that may forms clumps of many heads. This is a highly variable species with several variety available with light green to purple colouration and small spines.
Stem: Rapidly offsetting from the base, small, grey-green, green to dark purple A characteristic of this species is that the offsets develop roots while still attached to the mother. Individual stems 2(4) cm tall, 3(5) cm in diameter.
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: 3 mm long, narrow with short white felt.
Roots: Conical.
Radial spines: 11 to 14, fine, bristly, 1,5-2 (or more) mm long tight, pectinate, pointing diagonally and downward, that recurve and hug the tubercles so as not to be felt. Whitish, greyish, straw coloured, brown with darker base or almost black. Sometime interlaced.
Central spines: None or 1-2 ± erect.
Flowers: From the basal part of the stem, 20 - 50 mm long, 35 - 50 mm wide Orange, Orange-red, lilac or dark magenta, often bi coloured, with yellow or white throats. Floral tube funnel-shaped yellowish-green or yellowish-red with tan coloured scales,It is a species with very variable flower colours.
Phenology: Flowers are produced in late spring and remain open for three or four days.
Fruit: Dark brownish red approx 4 - 5 mm wide.
 

Cultivation: S. pulchra loves a very permeable, coarse mineral soil  as well as to be strictly kept dry throughout  the winter quiescent period since it is very sensitive to any moisture excesses, To prevent rottenness it is also advisable to surround its root neck by very rough sand or grit, this help a fast water drainage and an appropriate air circulation.
For its sensitive roots this species is frequently grafted to avoid root problems.
Watering Needs: Water moderately in the growing season, keep dry during  the winter rest
Frost Tolerance:  Plants are and quite frost hardy -5 (-15)° C but prefeably overwinter  in a cool place (at 0/10°C)  this is important for the flowers as well as for plants health. Without this cool winter period they normally wont get any buds. Sun Exposure: Needs a full sun exposure ( light shadow my be useful in the hottest summer days)

Propagation: Seed, cutting, grafting

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Sulcorebutia canigueralii   (Cárdenas) A.F.H. Buining ex Donald
In: Cactus and Succulenten Journal (GB), 3, : 57, 1965 & Don.

Accepted Scientific Name: Rebutia canigueralii Cardenas
In Cact. & Succ. J. Amer. 36: 26-27, 1964

Distribution:  Chuquisaca, Bolivia

Conservation status: Listed in CITES Appendix II.

Etymology: The generic name "Sulcorebutia" is from the Latin  "sulcus", meaning furrow. The specific name "canigueralii" comes from its discoverer Father Juan Cañigueral, priest at Rocoleta in Sucre, Bolivia.

Synonyms:

• Rebutia canigueralii Cárdenas 1964
• Weingartia canigueralii  (Cardenas) F.H.Brandt 1978
  In: Der Frankfurter Kakteenferund, 2 : 17, 1978

Heterotypic synonyms:  Aylostera zavaletae, Sulcorebutia zavaletae, Weingartia zavaletae, Sulcorebutia rauschii, Weingartia rauschii, Rebutia caracarensis, Sulcorebutia caracarensis, Weingartia caracarensis, Rebutia inflexiseta, Sulcorebutia inflexiseta, Weingartia inflexiseta, Rebutia pulchra, Sulcorebutia pulchra, Weingartia pulchra, Sulcorebutia crispata, Weingartia crispata, Rebutia canigueralii, Sulcorebutia frankiana, Weingartia frankiana, Sulcorebutia vasqueziana, Sulcorebutia alba, Weingartia alba, Weingartia aureispina, Sulcorebutia losenickyana, Weingartia losenickyana, Weingartia ritteri, Sulcorebutia ritteri, Weingartia brevispina, Sulcorebutia brevispina, Weingartia perplexiflora, Sulcorebutia perplexiflora, Weingartia albaoides, Sulcorebutia albaoides, Weingartia pasopayana, Sulcorebutia pasopayana, Weingartia rubroaurea, Sulcorebutia rubroaurea, Weingartia tarabucina, Sulcorebutia fischeriana, Sulcorebutia tarabucoensis, Weingartia tarabucoensis,

Photo of conspecific taxa, varieties, forms and cultivars of plants belonging to the Lobivia canigueralli  complex (This Taxon has lots of synonyms whit several controversial varieties and subspecies and comprises a multitude of different forms, but where each form is linked to others by populations of plants with intermediate characteristics):

• Sulcorebutia canigueralii
• Sulcorebutia canigueralii var. applanata
• Sulcorebutia pasopayana (S. canigueralii)
• Sulcorebutia pulcra (S. canigueralii )
• Sulcorebutia rauschii (S. canigueralii)
• Sulcorebutia rauschii HS121-1 (S. canigueralii)
• Sulcorebutia rauschii cv. Apple green (S. canigueralii)
• Sulcorebutia rauschii cv. Violacidermis (S. canigueralii)
• Sulcorebutia rauschii cv. Yellow spines (S. canigueralii)
• Sulcorebutia rauschii forma cristata (S. canigueralii)

All the information and photos in cactus art files are now available also in the new the Enciclopedia of Cacti. We hope you find this new site informative and useful.