i love a lot this cultivar and i'm actively try to breed my plants in order to have more of this
(https://i292.photobucket.com/albums/mm4/cortonafoto/asterias2009001.jpg)
that is a sk ....
(https://i292.photobucket.com/albums/mm4/cortonafoto/fotocactuscina024-2.jpg)
another sk
(https://i292.photobucket.com/albums/mm4/cortonafoto/075.jpg)
asterias nudum
(https://i292.photobucket.com/albums/mm4/cortonafoto/DSCI2407.jpg)
asterias nudum
(https://i292.photobucket.com/albums/mm4/cortonafoto/DSCI2430.jpg)
an hold photo of the normal pattern one
5 ribs are really elegant, nice plants shown here cortona!
nice plants cortona, i only have one...
Nice Plants! i love 5 ribs.
This is my best one
(https://i42.tinypic.com/2en807k.jpg)