Children (7 direct children, 7 direct and indirect children):
Sulcorebutia purpurea subsp. gigantea
Sulcorebutia purpurea subsp. horacekii
Sulcorebutia purpurea subsp. jolantae
Sulcorebutia purpurea subsp. santiaginiensis
Sulcorebutia purpurea var. unguispina
Sulcorebutia purpurea subsp. dorana
Sulcorebutia purpurea subsp. nadae