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COMMON BISTORT Persicaria bistorta (Polygonaceae) Height to 60cm. Attractive perennial of damp meadows that forms patches in suitable locations. FLOWERS are pink and borne in dense, 30-40mm long, terminal spikes (Jun-Aug). FRUITS are nut-like. LEAVES are oval or arrow-shaped, the lower ones stalked, the upper ones almost stalkless. STATUS-Locally common in the N but rare in the S.