131903 WATER-PEPPER Persicaria hydropiper (Polygonaceae) Height to 70cm. Upright, branched annual, characteristic of damp, bare ground such as winter-wet ruts, and shallow water. FLOWERS are pale pink and borne in long spikes that droop at the tip (Jul-Sep). FRUITS are small and nut-like. LEAVES are narrow and oval, with a peppery taste when chewed. STATUS-Widespread and common, except in the N.