Photos of Asclepias tuberosa, Butterflyweed, Pleurisy Root.

Butterflyweed, Asclepias tuberosa is a perennial, native to dry, gravely soils from Maine to Florida, west to Arizona, north to Minnesota. Root was used more extensively for medicinal purposes a famous treatment for lung diseases. Plains Indians nibbled the raw root in minute amounts for bronchial and pulmonary afflictions.

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