Scientific name: Cardamine hirsuta L.
Common name: Hairy Bitter-cress
Description
Habit: Annual, to 30 cm high.
Stems: Erect, straight, hairless, often branching.
Leaves: Leaves mostly basal, pinnate, leaflets round, untoothed or toothed; stem-leaves not clasping the stem.
Flowers: White, actinomorphic, 2-4 mm across, in racemes; sepals 4, free; petals 4, free; stamens 4 and ovary superior.
Fruits: A silique, with seeds in a single row; overtopping young flowers.
Habitat: Walls, limestone pavement, sand-dunes, waste ground and cultivated ground.
Distribution: Very frequent in Burren, rather rare elsewhere.
Native status: Native
Of conservation interest: No