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LIMESTONE WOUNDWORT Stachys alpina (Lamiaceae) Height to 80cm. Creeping and patch-forming, softly hairy perennial with upright flowering stems. Superficially similar to Hedge Woundwort but the plant is not scented when bruised. Grows in open woodland and on rocky ground on limestone. FLOWERS are 15-22mm long, often with creamy yellow markings; borne in whorls in open, leafy spikes (Jun-Aug). FRUITS are nutlets. LEAVES are stalked and heart-shaped with rounded teeth. STATUS-Rare and restricted to protected sites in Gloucestshire and N Wales.