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LOUSEWORT Pedicularis sylvatica (Scrophulariaceae) Height to 20cm. Spreading and hairless perennial with numerous branching stems. Semi-parasitic on the roots of other plants. Grows on damp heaths and moors, and in bogs, usually on acid soils. FLOWERS are 20-25mm long, the corolla pale pink and 2-lipped, the upper lip with 2 teeth; borne in few-flowered leafy spikes (Apr-Jul). FRUITS are inflated capsules. LEAVES are feathery and divided into toothed leaflets. STATUS-Widespread and locally common throughout the region in suitable habitats.