Large Bitter-cress is a native, perennial herb growing up to 60cm.
It has a horizontal creeping stock from which stolons and stems grow.
Flowers are up to 13mm across, with 4 white petals and 5 lilac-purple anthers.
Leaves are pale green and pinnate. There is no basal rosette.
It spreads to form patches when the creeping stems and stolons root at the nodes.
Growing in scrub/ boggy area.