The main properties of the fumaria is allergic and purifying it. Its origin is located in the East but has been adapted to other climates and, at present, are in most of Europe and Asia. The land grows Fumaria paid, especially in vineyards and grain fields, but can also be found in vacant fields and abandoned orchards.
Contains flavonoids, and potassium salts of various alkaloids. The fumaria helps to cleanse the body and regulate the activity of the liver and gallbladder. It also has anti-inflammatory and antiallergic properties.
Its scientific name comes from the Latin premium , meaning smoke, in reference to his very acrid juice, which clarifies the eye and causes watery, as does smoke. This is the reason that in certain European regions is known as the smoke of the land or grass widow.