Asclepias tuberosa. N.O. Asclepiadaceae.
Synonym ► Butterfly Weed, Tuber Root, Wind Root. Habitat ► Moist, loamy soil. Indigenous to U.S.A
Features ► Stem two to three feet high, contains milky juice. Root, wrinkled longitudinally, light brown outer surface, whitish internally ; fracture tough, irregular. Rootstock knotty, faintly ringed. Acrid taste.
Part used ► Root.
Action ► Diaphoretic, expectorant, antispasmodic.
Chest complaints; acts directly on the lungs, and stimulates sweat glands. Relaxes capillaries, relieving strain on heart and lungs. Reduces pain and assists breathing in pleurisy. Infusion of 1 ounce of the powdered root with 1 pint of boiling water is taken in wineglass doses, to which a teaspoonful of composition powder (Myrica compound) may be added with advantage.