Origin:
Native of Europe andWest Asia. Cultivated in North India as a crop.
Action:
Stimulant to gastricmucosa, increases pancreatic secretions; emetic (used in narcotic poisoning), diaphoretic, rubefacient. (As a counter-irritant it increases flow of blood to a specific area.) Used externally as a poultice in bronchitis, pleurisy, intercostal neuralgia, chilbains.
Khare, C.P./ Indian Medicinal Plants. -- Nueva Dheli: Springer, 2007 . - p. 836.