Cinerea e' forse la piu' conosciuta del genere. Il suo nome deriva dalla spessa cera che la ricopre,detta "pruina".

E' diffusa nei pressi di Taltal, regione di Antofagasta,Cile.

In coltivazione e' assai difficoltoso fargli assumere l'aspetto caratterisco.Si riescono ad ottenere buoni risultati partendo da seme.Sopporta minime fino a -2/3°C, ma non gradisce temperature troppo alte,soprattutto quelle estive.In questo periodo entra in stasi vegetativa e non e' assolutamente consigliabile bagnarla per non compromettere la pianta stessa.

Cinerea is perhaps the most known of its kind. Its name derives from the thick wax that covers it, called "pruina".

It is widespread near Taltal, Antofagasta region, Chile.

In cultivation it is very difficult to make them take on the characteristic appearance. They are able to obtain good results starting from seed. It bears minimum up to -2 / 3 ° C, but does not like too high temperatures, especially the summer ones. vegetative stasis and it is absolutely advisable to wet it so as not to compromise the plant itself.