Unidentified flower

Description:

This plant had beautiful pale purple flowers, one per stalk, with 6 petals contained in deep bell-shaped calyces. Flower centres had a star burst of yellow lined by deep purple. Flowers were about 5 mm wide on stalks about 8o mm tall.
Leaves appeared to be arranged in a loose rosette. They were flat, slightly thick and striated. The surface was covered with hairs.

Habitat:

Spotted growing amongst grass and sorrel in a cleared area in a park. Seems to be common in disturbed soil.

Notes:

- ? Romulea species. <br > Looking for an ID.