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YELLOW-RATTLE Rhinanthus minor (Scrophulariaceae) Height to 45cm. Variable, upright and almost hairless annual that is semi-parasitic on the roots of other plants. The stems are stiff, 4-angled and often marked with dark spots and streaks. Grows in undisturbed meadows and stabilised dunes. FLOWERS are 10-20mm long, the corolla yellow, 2-lipped and somewhat tubular and straight, the 2 teeth on the upper lip are 1mm long; borne in spikes with triangular, toothed and leaf-like green bracts (May-Sep). FRUITS are inflated capsules inside which the ripe seeds do indeed rattle. LEAVES are oblong with rounded teeth. STATUS-Widespread and common.
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© PAUL STERRY/Nature Photographers
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FLOWERS
YELLOW-RATTLE Rhinanthus minor (Scrophulariaceae) Height to 45cm. Variable, upright and almost hairless annual that is semi-parasitic on the roots of other plants. The stems are stiff, 4-angled and often marked with dark spots and streaks. Grows in undisturbed meadows and stabilised dunes. FLOWERS are 10-20mm long, the corolla yellow, 2-lipped and somewhat tubular and straight, the 2 teeth on the upper lip are 1mm long; borne in spikes with triangular, toothed and leaf-like green bracts (May-Sep). FRUITS are inflated capsules inside which the ripe seeds do indeed rattle. LEAVES are oblong with rounded teeth. STATUS-Widespread and common.