Weingartia purpurea is a species of cactus native to Bolivia.
[1] Plants are usually solitary, with a chance of clustering.
Turbicles have spines that can vary from sliverwhitish to brown.
This plant has a turbicle root, leaving them prone to rotting in cultivation when there is too much water or insufficient airflow.
Small magenta flowers with many petals and yellow anthers and fillament, with a white stigma[2]