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  Gymnocalycium ubelmannianum CACTUSPEDIA       

 


G. ubelmannianum is a little and lovely species with beautiful flowers.

 

Etymology: Named in honour of Werner Übelmann, a Swiss citizen that worked to discover new cactus species.

Description: Plants are usually solitary, or form clusters with age. Stems are flattened, globose, often pulling into the ground, glaucous grey-green, up to 1 cm high and 7 cm in diameter. With 8-12 ribs, forming distinct tubercles with chin-like protrusions and grooves between the areoles.
Spines: Spine clusters have a characteristic spider-like shape, Spines (all radials): 5-7, chalky white, flexible, somewhat curved and often twisted, one pointing downward, 0.5-1.5 cm long.
Flowers: cream-white, with a darker pinkish-red throat, up to 3.5 cm in length and in diameter.
Fruits: broadly globose, green, up to 6 mm in diameter.
 

The length of the spines is quite variable, even in seedlings of the same batch - from 5 to 20 mm.

 

Family: Cactaceae (Cactus Family)

Scientific name:  Gymnocalycium ubelmannianum Rausch 1972
Published in:   Succulenta 51(4): 61-64, 1972

Origin:  Argentina (La Rioja)

Conservation status: Listed in CITES appendix 2.


 

 


Flowers are cream-white, with a darker pinkish-reddish throat

Cultivation: It is a summer-growing species that offers no cultivation difficulty.  Water regularly in summer (but do not over-water).  Keep rather dry in winter. Feed with a high potassium fertilizer  in summer.  It is quite frost resistant if kept dry (hardy to  -5° C).  Sun Exposure: Light shade.
Propagation: Direct sow after last frost. (seldom produces offsets).


Photo gallery: Alphabetical listing of Cactus and Succulent pictures published in this site.

Photo gallery Gymnocalicium



 

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This old page has been moved! Click the link next on the right to enter the new Enciclopedia of Cacti. We hope you find this new site informative and useful.

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