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  Astrophytum myriostigma nudum forma cristata CACTUSPEDIA       

 


Astrophytum myriostigma var. nudum forma cristata

This form is without (or with very few) white tufted characteristics flecks, so it is 'nude', which in this case means smooth green. 
 

Description: The crested form of the A. myriostigma nudum, only deviate from the typical form for lacking or mostly lacking white flecks, giving a green color overall depending on clones.
Stem: Fan shaped up to 30 cm (or more ) in diameter and height with age.  The stems is smooth and can be over
Spines: None.
Ribs: The number of ribs vary from 3 to 8 (usually 5).
Flowers: The flowers are unusual and eventually produced only by some clones.

 

Cultivation: Although regarded as a choice and difficult plant is not too difficult in a greenhouse, although grows quite slowly. It is sometime seen as a grafted plant but grows very well on its own roots too. Use mineral well permeable mineral soil with little organic matter (peat, humus). Water sparingly from March till October (weekly during summertime, if the weather is sunny enoughand) , with a little fertilizer added. keep perfectly dry in winter at temperatures from 5 to 15 degrees centigrade. (but it is relatively cold resistant and hardy to -7 (-10)C for short periods) In the rest period no high atmospheric humidity!! They need a good amount of light shade to full sun this help to keep the plants healthy, although slow growth.
 
Propagation: Grafting or cuttings. Plants are usually grafted onto column-shaped cacti but proved to be able to produce their own roots if degrafted.

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Family: Cactaceae (Cactus Family)

Scientific name:  Astrophytum myriostigma v. nudum  (R.Mey.) Backeberg "cristata"

Synonyms:

  • Astrophytum myriostigma Lemaire
    Published in: Cactacearum Genera nova Speciesque novae et omnium in Horto Monvillano cultarum: 4-6 1839 Original description

OriginSan Luis Potosi, Mexique but many of the clones actually in cultivation are of garden origin (Nursery produced cultivar)

Conservation status: Listed in CITES appendix 2.
 

 


Photo of conspecific taxa, varieties, forms and cultivars of Astrophytum myriostigma:



 

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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.

The Encyclopedia of Cacti