Astrophytum ornatum metztitlan
(This plant comes in a 3.5" pot. You will receive a very similar plant to the one in the picture. It may or may not be blooming at the time of your purchase. The plant is shipped in its pot to prevent any damage to the roots).
These plant from Meztitlan are characteristically covered in dense, evenly spaced white flecks and are easily tell apart from standard ornatums.
Description: A. ornatum is a shortly columnar cactus appearing star-shaped from above, with white cross bands of wooly scales. It appears to be a very variable species especially for the density and distribution of white scales. It is the largest and easiest to grow and also the fastest of the Astrophytums. It is also generally more heavily spined than other Astrophytums.
Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz