Description:Similarly to the standardAstrophytum coahuilenseSN|1845]]SN|1850]]this cultivar has five ribs covered by dense grey flecks, but stems are thinner and columnar with a tendency to branch from the side areoles and will form soon small clumps. The flowers are very small up to 2,5 cm long, pale yellow without the characteristic red throat. For this unusual characteristics it is thought by some that it could be (perhaps) a cultivar ofAstrophytum myriostigmaSN|1850]]SN|1845]].
Subspecies, varieties, forms and cultivars of plants belonging to the Astrophytum coahuilense group
Astrophytum coahuilense(H.Moeller) K.Kayser: With five ribs it has a surprising similarity toAstrophytum myriostigma. However, it is different in all characteristics regarding flower, fruit, seed and embryo which looks like in all details toAstrophytum capricorne.
Astrophytum coahuilense f. tricostatumhort.:(cv. Sankaku Hakuranpo-gyoku)This is a nice cultivar with only three ribs with dense white flecks that cover the stem.
Astrophytum coahuilense cv. Hakuran:(cv. Kikkohakuranpogyoku)This cultivar is easily distinguishable for its more or less wide and long pointed tubercles along the ribs edges.