Irish wildflowers BSBI map

Creeping Yellow-cress, Rorippa sylvestris, Biolar buí reatha
Photographs: Co. Cork and Co. Waterford

Creeping Yellow-cress
Rorippa sylvestris
Biolar buí reatha
Family: Brassicaceae

Flowering June-September. Perennial. Native.

Yellow flowers on erect flowering stems, the petals approx 2x long as sepals, are followed by linear ascending fruit, 2x long as pedicels. Leaves have lanceolate toothed leaflets, stem-leaves pinnate or deeply pinnate. Creeping roots, stems decumbent or more/less erect, to 60cm. Spreads by seed and root fragments. Identified by Paul Green

Scattered Irish distribution on bare, damp ground by lakes and rivers.

Similar: Marsh Yellow-cress and Northern Yellow-cress

Creeping Yellow-cress, Rorippa sylvestris, Biolar buí reatha

Creeping Yellow-cress, Rorippa sylvestris, Biolar buí reatha
Creeping Yellow-cress, Rorippa sylvestris, Biolar buí reatha

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