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  Astrophytum myriostigma cv. ONZUKA + HAKUUN CACTUSPEDIA       

 


Astrophytum myriostigma cv. ONZUKA + HAKKUN
Beautiful cultivar which combine the large flecks of "ONZUKA" with the characteristic cloud-like white patches of "HAKUUN". The density of white patches is indeed very variable.

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

Family: Cactaceae (Cactus Family)

Scientific name:  Astrophytum myriostigma Lemaire
Published in: Cactacearum Genera nova Speciesque novae et omnium in Horto Monvillano cultarum: 4-6 1839 Original description cv. ONZUKA + HAKUUN


Conservation status: Listed in CITES appendix 2.

Origin: Japan,   Garden origin (Nursery produced cultivar)
 


 

 

Description:
This cultivar only vary from the typical A. myriostigma for the larger white flecks that condense forming characteristic cloud-like patches. However it is quite variable regarding the density and extension of the white patches.
Stem: Dimension 22-40 cm tall, 5-10 cm in diameter.
Ribs: Usually 5.
Flowers: Like those of A. myriostigma, pale-yellow, silk-shining.
Blooming season: Spring to summer.

Cultivation: Although regarded as a choice and difficult plant in cultivation it is relatively easy to grow. It is sometime seen as a grafted plant but grows very well on its own roots too. Use mineral well permeable substratum with little organic matter (peat, humus). Water sparingly from March till October and keep perfectly dry in winter at temperatures from 5 to 15 degrees centigrade. (but it is Hardy to -7C for short periods) In the rest period no high atmospheric humidity!! Sun Exposure: Light shade to full sun.

Propagation: Almost exclusively by seed. Plants are sometimes grafted onto column-shaped cacti.

 

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