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.

Gymnocalycium  mihanovichii var. filadelfiense FR1181 Filadelfia, Boquerón, Paraguay
This plant’s most unique characteristic is its colourful body.
 

Description: Usually solitary
Stem: It only grows to be 4 cm high and has a 5-6cm diameter
Flowers: Silky shining, greenish/tan.

Photo of conspecific taxa, varieties, forms and cultivars of Gymnocalycium mihanovichii.

• G. mihanovichii
• G. mihanovichii var. filadelfiense
• G. mihanovichii var. friedrichii (G. friedrichii)
• G. mihanovichii forma cristata
• G. mihanovichii forma rubra ("HIBOTAN")

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Scientific name:

• Gymnocalycium mihanovichii var. filadelfiense Backeberg nom. inval. (Art. 8.2),
  In: Kakteenlexikon: 170, 1966 = mihanovichii var. stenogonum
• Gymnocalycium mihanovichii var. filadelfiense Pazout nom. nud.,
  In: Friciana 5(29): 10, 1965 = mihanovichii var. stenogonum

Origin:  Chaco Boreal in Paraguay

Habitat:  Grows under bushes where it is only exposed to direct sunlight a few months out of the year.  

 

Cultivation: It is a summer grower plant that offers no cultivation difficulties.  Water regularly in summer (but do not overwater ) 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 to half shade.

Propagation: Direct sow after last frost. (seldom produces offsets). Colour mutants and variegates cultivars are propagated by graft.

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.