Stachys sylvatica

Stachys sylvatica, commonly known as hedge woundwort, whitespot, or sometimes as hedge nettle, is a perennial herbaceous plant growing to 80 cm (31 in) tall in woodland and unmanaged grassland. In temperate zones of the northern hemisphere it flowers in July and August. The flowers are purple. The leaves, when crushed or bruised, give off an unpleasant fetid smell.