Mammillaria spinosissima f. rubrispina crested (Cactus)

It is a beautiful cultivar, its crested shape makes each plant unique, that is why it is so appreciated by cactus lovers. Its green stem is covered with multiple spines, among which the central ruby-red spine stands out, hence the name 'rubrispina'. The crested forms of Mammillarias, unlike those of other families, sometimes blooms along the arch of the crest.