144619 WOOD SORREL Oxalis acetosella (Oxalidaceae) (Fabaceae) Height to 10cm. Charming, creeping perennial. An indicator of ancient, undisturbed woodlands and hedges. FLOWERS are 1cm across, bell-shaped and white or pale pink with lilac veins; borne on stalks (Apr-Jun). FRUITS are hairless capsules. LEAVES are trefoil, fold down at night, and are borne on long stalks. STATUS-Widespread and locally common.