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Descrizione
Bella forma che differisce dal tipico myriostigma per il corpo liscio di colore verde brillante, infatti questa pianta è senza o con pochissimi puntini bianchi. Alcuni la considerano una forma estrema della ssp. potosinum.
Astrophytum myriostigma v. nudum (R.Mey.) Backeberg Family: Cactaceae (Cactus Family) Scientific name: Astrophytum myriostigma Lemaire Origin: San 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.
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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 light shade to full sun this help to keep the plants healthy, although slow growth.
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