Astrophytum myriostigma v. nudum
origin: grown from own seeds in the territory of the Czech Republic
found in the highlands of central Mexico, at approximately 1200-2200 m.a.s.l.
dark green, matte
composition: siliceous sand, peat and limestone in a ratio of 3:1:1
grows in direct sunlight
I send without soil and pot, it has different varieties of ribs from 3 rib to 8