Seasonal Wild Flowers

Large Bitter-cress

Cardamine amara

Brassicaceae

Late April to June

It is found mainly in the North, the Southeast, the West

Midlands and East Anglia.

It is scattered elsewhere.

See the BSBI distribution map for Large Bitter-cress

It grows beside streams and canals, in marshes, wet

meadows and woods.

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.

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Large Bitter-cress by water

Flowers - purple anthers

Young anthers

Style and aging anthers

Pods

Pinnate leaves