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GREATER SPEARWORT Ranunculus lingua (Ranunculaceae) Height to 1m. Robust and upright perennial of fens and the shallow margins of ponds and lakes. Plant has long runners. FLOWERS are 20-40mm across with 5 yellow petals; borne on furrowed stalks (Jun-Sep). FRUITS are rough and winged, with a curved beak. LEAVES are narrow, 25cm long and sometimes toothed. STATUS-Widespread but local.