Cardamine pentaphyllos

Cardamine pentaphyllos, the five-leaflet bitter-cress or showy toothwort, is a flowering plant in the family Brassicaceae, native to Western and Central Europe in Slovenia and Croatia. It is an herbaceous perennial, growing to , with palmate leaves and racemes of purple, pink or white flowers in late Spring and early Summer.
The Latin specific epithet "pentaphyllos" means "with five-lobed leaves". The feminine form "pentaphylla" is sometimes seen, but this is deemed incorrect.
This plant has gained the Royal Horticultural Society's Award of Garden Merit. 