Malva sylvestris

Malva sylvestris is a species of the mallow genus Malva, of which it the type species. Known as common mallow to English-speaking Europeans, it acquired the common names of cheeses, high mallow and tall mallow (mauve des bois by the French) as it migrated from its native home in Western Europe, North Africa and Asia through the English-speaking world. M. sylvestris is a vigorous plant with showy flowers of bright mauve-purple, with dark veins, standing 0.91–1.22 metres (3–4 ft) high and growing freely in meadows, hedgerows and in fallow fields....read more on Wikipedia.