TOOTHWORT Lathraea squamaria (Orobanchaceae) Height to 25cm. Bizarre perennial that is entirely parasitic on the roots of woody shrubs, especially Hazel. Grows in woodlands, invariably on base-rich soils. FLOWERS are 15-18mm long, tubular and pinkish lilac to creamy white; borne in 1-sided spikes (Apr-May). FRUITS are capsules, contained within the dead flower. LEAVES are scale-like, alternate and clasping. STATUS-Widespread but only locally common; absent N Scotland and W Ireland.