Astrophytum myriostigma 'Onzuka Quadricostatum' - World of Succulents
Probably the rarest succulent in my collection. It's a hybrid of Astrophytum Myriostigma Onzuka & Hakuun that is also an upright grower as opposed to being a fat Astrophytum giving it the
Astrophytum myriostigma cv. Onzuka f. crestata - Giromagi Cactus and Succulents