Description: The only thing we know about this particular cultivar
is that one of the parents may be A. myriostigma or
coahuilense as the five ribbed stem structure clearly shows,
best candidate for the other parent is A. capricorne. But the particular spination is so particular that there are many
contrasting opinions about the true genealogy of this plant.
Stem: Unbranched, globular to cylindrical, bright green, covered with
many white hairy scales spaced and similar in size to those of A.
capricorne that give it a silvery-grey appearance. The scales are composed
of very fine interwoven hairs, which, under a microscope, are very
pretty object. A transverse section reveal a perfect star shaped form
(like the common star-fish) giving the plant the appearance of a
Ribs: Usually 5, that increase with age, vertical, regular, deep, prominent, very
broad and acute.
Roots: Fine, fibrous.
Spines: Twisted, recurved, sometime forming apical ringlets
or small irregularly shaped hooks. yellow to brownish.
Flowers: Funnelform, yellow with a red center.
Blooming season: Flowers appear intermittently throughout the
warm months from April to September. Plants may take up to six years to