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GREATER BURDOCK Arctium lappa (Asteraceae) Height to 1m. Branched and downy biennial of hedgerows, woodland rides, verges and waste ground. FLOWERS are borne in egg-shaped heads, 20-40mm across, with purplish florets and greenish yellow, hooked and spiny bracts; carried in few-flowered inflorescences (Jul-Sep). FRUITS are burs, armed with hooked spines (flower bracts) that cling to animal fur and aid dispersal. LEAVES are heart-shaped with solid stalks; basal leaves are longer than wide. STATUS-Locally common in England and Wales; scarce elsewhere.