Photographs: Ballingeary, Co. Cork

Marsh Yellow-cress Rorippa palustris Biolar buí corraigh Family: Brassicaceae Flowering: June-October. Annual, occasionally perennial. Native. Small pale-yellow flowers, petals equal to or shorter than sepals. Fruit 2x long as stalk, oblong-ovoid, contracted into short style. Hairless leaves, lower pinnately-lobed with toothed lobes, stem leaves unstalked. Stems more/less erect, often bronze coloured. Height to 60cm Widespread on winter-flooded damp, bare ground, paths and tracks Similar: Northern Yellow-cress and Creeping Yellow-cress

Marsh Yellow-cress, Rorippa palustris, Biolar buí corraigh