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ANNUAL KNAWEL Scleranthus annuus (Caryophyllaceae) Height to 10cm. Yellowish green annual. Associated with dry, bare soil and arable land. FLOWERS comprise green, pointed sepals and no petals; borne in clustered heads (May-Aug). FRUITS are capsules. LEAVES are narrow, pointed and borne in opposite pairs along the wiry stems. STATUS-Widespread and locally common throughout.