Rebutia violaciflora Backeberg

Plants with a distinctive pinkish violet flower colour; the only species which comes close is Rebutia senilis var. lilacino-rosea. R. violaciflora has shorter, stiffer spines, more sparsely arranged on the body, so more of the epidermis is visible, and has a more flattened body.

The description is here.

Plants of this species in the collection include:

Rebutia violaciflora

Rebutia violaciflora var. knuthiana