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SMALL COW-WHEAT Melampyrum sylvaticum (Scrophulariaceae) Height to 25cm. Variable, straggly annual; semi-parasitic on roots of other plants. Grows in upland birch or pine woodlands. FLOWERS are 8-10mm long, the corolla deep yellow and 2-lipped, the mouth opening widely and the lower lip curved down; borne in pairs arising from the axils of leaf-like bracts that are barely toothed (Jun-Aug). FRUITS are capsules. LEAVES are narrow-oval. STATUS-Very local in Scotland and N Ireland.