Wood Bitter Cress, Wavy Bitter Cr.

flexuosa: zigzag, much bent (probably referring to the stem)

Annual, biennial or perennial herb. Stems up to 20 cm, flexuous, hairy especially below. Leaves imparipinnate; basal few, in a lax rosette, with 3-6 pairs of lateral leaflets and a larger terminal leaflet; stem leaves 4-10, ± sessile with 5 or more pairs of leaflets, all leaflets gland-toothed or ± lobed. Petals 2.5-3 mm, white. Sepals white-margined. Fruit 12-25 × 1 mm, ± erect on upwardly curved pedicels 6-13 mm. Seeds very narrowly winged.

Local

Native of Europe and Asia, widely introduced elsewhere