Gymnocalycium ubelmannianum

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	*Gymnocalycium ubelmannianum*	CACTUS ART NURSERY Cultivation and Mail Sale of Cacti and Succulents.


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

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

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).
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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.

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.

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

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